| <!DOCTYPE html> |
| <html lang="zh-CN"> |
| <head> |
| <meta charset="utf-8"> |
| <meta name="viewport" content="width=device-width,initial-scale=1"> |
| <title> </title> |
| <meta name="generator" content="VuePress 1.9.7"> |
| <link rel="icon" href="/favicon.ico"> |
| <script async="true" src="https://www.googletagmanager.com/gtag/js?id=G-5MM3J6X84E"></script> |
| <script> |
| window.dataLayer = window.dataLayer || []; |
| function gtag(){dataLayer.push(arguments);} |
| gtag('js', new Date()); |
| gtag('config', 'G-5MM3J6X84E');</script> |
| <meta name="description" content=" "> |
| <meta name="Description" content="Apache IoTDB: Time Series Database for IoT"> |
| <meta name="Keywords" content="TSDB, time series, time series database, IoTDB, IoT database, IoT data management,时序数据库, 时间序列管理, IoTDB, 物联网数据库, 实时数据库, 物联网数据管理, 物联网数据"> |
| <meta name="baidu-site-verification" content="wfKETzB3OT"> |
| <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo"> |
| |
| <link rel="preload" href="/assets/css/0.styles.01bb0a6b.css" as="style"><link rel="preload" href="/assets/js/app.70f9b8bb.js" as="script"><link rel="preload" href="/assets/js/3.c8384d0b.js" as="script"><link rel="preload" href="/assets/js/779.2e550756.js" as="script"><link rel="prefetch" href="/assets/js/10.54d4b62d.js"><link rel="prefetch" href="/assets/js/100.9ee5e815.js"><link rel="prefetch" href="/assets/js/101.247f3c8c.js"><link rel="prefetch" href="/assets/js/102.689f13c2.js"><link rel="prefetch" href="/assets/js/103.f385436b.js"><link rel="prefetch" href="/assets/js/104.ba3433b1.js"><link rel="prefetch" href="/assets/js/105.d32d33c2.js"><link rel="prefetch" href="/assets/js/106.1091ccfd.js"><link rel="prefetch" href="/assets/js/107.0748300b.js"><link rel="prefetch" href="/assets/js/108.52d2db31.js"><link rel="prefetch" href="/assets/js/109.8939c8b9.js"><link rel="prefetch" href="/assets/js/11.6822495c.js"><link rel="prefetch" href="/assets/js/110.5a811e30.js"><link rel="prefetch" href="/assets/js/111.36d1955b.js"><link rel="prefetch" href="/assets/js/112.05645029.js"><link rel="prefetch" href="/assets/js/113.2e506731.js"><link rel="prefetch" href="/assets/js/114.925dbfe6.js"><link rel="prefetch" href="/assets/js/115.baed34f9.js"><link rel="prefetch" href="/assets/js/116.6555d02d.js"><link rel="prefetch" href="/assets/js/117.ace35466.js"><link rel="prefetch" href="/assets/js/118.46f63bb8.js"><link rel="prefetch" href="/assets/js/119.af20e98a.js"><link rel="prefetch" href="/assets/js/12.8a5e982c.js"><link rel="prefetch" href="/assets/js/120.cbfd3da6.js"><link rel="prefetch" href="/assets/js/121.49194bbc.js"><link rel="prefetch" href="/assets/js/122.94472504.js"><link rel="prefetch" href="/assets/js/123.313d7907.js"><link rel="prefetch" href="/assets/js/124.f7128d5f.js"><link rel="prefetch" href="/assets/js/125.63bd549d.js"><link rel="prefetch" href="/assets/js/126.b266702f.js"><link rel="prefetch" href="/assets/js/127.697bb15d.js"><link rel="prefetch" href="/assets/js/128.6fdb1396.js"><link rel="prefetch" href="/assets/js/129.f942baaa.js"><link rel="prefetch" href="/assets/js/13.cd535a7d.js"><link rel="prefetch" href="/assets/js/130.fae7c193.js"><link rel="prefetch" href="/assets/js/131.c8c7a648.js"><link rel="prefetch" href="/assets/js/132.20b94d36.js"><link rel="prefetch" href="/assets/js/133.8ec5d445.js"><link rel="prefetch" href="/assets/js/134.e1566808.js"><link rel="prefetch" href="/assets/js/135.c624a0fe.js"><link rel="prefetch" href="/assets/js/136.318edbdd.js"><link rel="prefetch" href="/assets/js/137.214136b8.js"><link rel="prefetch" href="/assets/js/138.e30756bf.js"><link rel="prefetch" href="/assets/js/139.b4567d44.js"><link rel="prefetch" href="/assets/js/14.dde14c93.js"><link rel="prefetch" href="/assets/js/140.b12cef2d.js"><link rel="prefetch" href="/assets/js/141.1ea34f03.js"><link rel="prefetch" href="/assets/js/142.e07d82b8.js"><link rel="prefetch" href="/assets/js/143.f2aae3e7.js"><link rel="prefetch" href="/assets/js/144.4ddff033.js"><link rel="prefetch" href="/assets/js/145.de27c341.js"><link rel="prefetch" href="/assets/js/146.b28ca534.js"><link rel="prefetch" href="/assets/js/147.e18256c0.js"><link rel="prefetch" href="/assets/js/148.5ea5824d.js"><link rel="prefetch" href="/assets/js/149.4084c698.js"><link rel="prefetch" href="/assets/js/15.6c0fd5c9.js"><link rel="prefetch" href="/assets/js/150.e9ee8e10.js"><link rel="prefetch" href="/assets/js/151.aa96437e.js"><link rel="prefetch" href="/assets/js/152.9776bb34.js"><link rel="prefetch" href="/assets/js/153.bbe14fc5.js"><link rel="prefetch" href="/assets/js/154.fb294eff.js"><link rel="prefetch" href="/assets/js/155.fe267b96.js"><link rel="prefetch" href="/assets/js/156.d04c852a.js"><link rel="prefetch" href="/assets/js/157.91fbfd79.js"><link rel="prefetch" href="/assets/js/158.b7922510.js"><link rel="prefetch" href="/assets/js/159.9c3ecf6a.js"><link rel="prefetch" href="/assets/js/16.2873cd48.js"><link rel="prefetch" href="/assets/js/160.973ae274.js"><link rel="prefetch" href="/assets/js/161.0f0a16d3.js"><link rel="prefetch" href="/assets/js/162.cebf4dc5.js"><link rel="prefetch" href="/assets/js/163.33c66fce.js"><link rel="prefetch" href="/assets/js/164.0add735e.js"><link rel="prefetch" href="/assets/js/165.4f0ceb66.js"><link rel="prefetch" href="/assets/js/166.20328788.js"><link rel="prefetch" href="/assets/js/167.dffb1ec3.js"><link rel="prefetch" href="/assets/js/168.8226b583.js"><link rel="prefetch" href="/assets/js/169.09c7476a.js"><link rel="prefetch" href="/assets/js/17.e18d8f9a.js"><link rel="prefetch" href="/assets/js/170.429551c5.js"><link rel="prefetch" href="/assets/js/171.9fddafb6.js"><link rel="prefetch" href="/assets/js/172.69dc6624.js"><link rel="prefetch" href="/assets/js/173.e2d29ea2.js"><link rel="prefetch" href="/assets/js/174.9f0ca986.js"><link rel="prefetch" href="/assets/js/175.c03036de.js"><link rel="prefetch" href="/assets/js/176.f363ed6d.js"><link rel="prefetch" href="/assets/js/177.a43f449a.js"><link rel="prefetch" href="/assets/js/178.a632ad2f.js"><link rel="prefetch" href="/assets/js/179.8d85dda5.js"><link rel="prefetch" href="/assets/js/18.8c2382dd.js"><link rel="prefetch" href="/assets/js/180.6caff638.js"><link rel="prefetch" href="/assets/js/181.ced39468.js"><link rel="prefetch" href="/assets/js/182.5d16b1bd.js"><link rel="prefetch" href="/assets/js/183.763f57b7.js"><link rel="prefetch" href="/assets/js/184.6c1eade5.js"><link rel="prefetch" href="/assets/js/185.e511964b.js"><link rel="prefetch" href="/assets/js/186.8c134ee8.js"><link rel="prefetch" href="/assets/js/187.7d889236.js"><link rel="prefetch" href="/assets/js/188.93e0fd66.js"><link rel="prefetch" href="/assets/js/189.d85257b1.js"><link rel="prefetch" href="/assets/js/19.2c7c5f02.js"><link rel="prefetch" href="/assets/js/190.84dfadf8.js"><link rel="prefetch" href="/assets/js/191.a977a41b.js"><link rel="prefetch" href="/assets/js/192.96550246.js"><link rel="prefetch" href="/assets/js/193.83839b48.js"><link rel="prefetch" href="/assets/js/194.ced75542.js"><link rel="prefetch" href="/assets/js/195.149a3000.js"><link rel="prefetch" href="/assets/js/196.ddbec385.js"><link rel="prefetch" href="/assets/js/197.6ac1900c.js"><link rel="prefetch" href="/assets/js/198.24526dc1.js"><link rel="prefetch" href="/assets/js/199.2de9580b.js"><link rel="prefetch" href="/assets/js/20.bc142402.js"><link rel="prefetch" href="/assets/js/200.ff08584c.js"><link rel="prefetch" href="/assets/js/201.0f0d2a71.js"><link rel="prefetch" href="/assets/js/202.b6a245e1.js"><link rel="prefetch" href="/assets/js/203.060d0ba8.js"><link rel="prefetch" href="/assets/js/204.05eee479.js"><link rel="prefetch" href="/assets/js/205.fbb10b5e.js"><link rel="prefetch" href="/assets/js/206.ddc65281.js"><link rel="prefetch" href="/assets/js/207.967da905.js"><link rel="prefetch" href="/assets/js/208.8971abbc.js"><link rel="prefetch" href="/assets/js/209.c0175d6e.js"><link rel="prefetch" href="/assets/js/21.cba5381d.js"><link rel="prefetch" href="/assets/js/210.a4a9631d.js"><link rel="prefetch" href="/assets/js/211.388f26cf.js"><link rel="prefetch" href="/assets/js/212.06c593bd.js"><link rel="prefetch" href="/assets/js/213.b076eb05.js"><link rel="prefetch" href="/assets/js/214.310f3d54.js"><link rel="prefetch" href="/assets/js/215.d413f177.js"><link rel="prefetch" href="/assets/js/216.c9d15dbb.js"><link rel="prefetch" href="/assets/js/217.a6be2d9f.js"><link rel="prefetch" href="/assets/js/218.22289829.js"><link rel="prefetch" href="/assets/js/219.470902bb.js"><link rel="prefetch" href="/assets/js/22.1fffa709.js"><link rel="prefetch" href="/assets/js/220.5e47f07b.js"><link rel="prefetch" href="/assets/js/221.7e3e1dfc.js"><link rel="prefetch" href="/assets/js/222.6645e391.js"><link rel="prefetch" href="/assets/js/223.7d4449d9.js"><link rel="prefetch" href="/assets/js/224.7d4ded5d.js"><link rel="prefetch" href="/assets/js/225.dd1fe704.js"><link rel="prefetch" href="/assets/js/226.506cfa4f.js"><link rel="prefetch" href="/assets/js/227.ded97eb1.js"><link rel="prefetch" href="/assets/js/228.305a5dba.js"><link rel="prefetch" href="/assets/js/229.c515c7b4.js"><link rel="prefetch" href="/assets/js/23.5a3e58e5.js"><link rel="prefetch" href="/assets/js/230.b64a6739.js"><link rel="prefetch" href="/assets/js/231.8e511778.js"><link rel="prefetch" href="/assets/js/232.2638fbc9.js"><link rel="prefetch" href="/assets/js/233.4d9778ca.js"><link rel="prefetch" href="/assets/js/234.b4e94ed1.js"><link rel="prefetch" href="/assets/js/235.ab6cf4da.js"><link rel="prefetch" href="/assets/js/236.84ed57f7.js"><link rel="prefetch" href="/assets/js/237.9b0841c0.js"><link rel="prefetch" href="/assets/js/238.21bdea4b.js"><link rel="prefetch" href="/assets/js/239.c33d830f.js"><link rel="prefetch" href="/assets/js/24.4852a2d6.js"><link rel="prefetch" href="/assets/js/240.d4931558.js"><link rel="prefetch" href="/assets/js/241.2b84fbed.js"><link rel="prefetch" href="/assets/js/242.37f686da.js"><link rel="prefetch" href="/assets/js/243.e50f7e7b.js"><link rel="prefetch" href="/assets/js/244.2bd278a0.js"><link rel="prefetch" href="/assets/js/245.1a0910ff.js"><link rel="prefetch" href="/assets/js/246.9406c967.js"><link rel="prefetch" href="/assets/js/247.a5da5c02.js"><link rel="prefetch" href="/assets/js/248.b21f300b.js"><link rel="prefetch" href="/assets/js/249.5b4fd0ad.js"><link rel="prefetch" href="/assets/js/25.57e15cd9.js"><link rel="prefetch" href="/assets/js/250.9c607e2f.js"><link rel="prefetch" href="/assets/js/251.cbac0cda.js"><link rel="prefetch" href="/assets/js/252.53e3a788.js"><link rel="prefetch" href="/assets/js/253.6cc8cf57.js"><link rel="prefetch" href="/assets/js/254.cf2c90e6.js"><link rel="prefetch" href="/assets/js/255.026a83d8.js"><link rel="prefetch" href="/assets/js/256.cb684eaa.js"><link rel="prefetch" href="/assets/js/257.840a3e6d.js"><link rel="prefetch" href="/assets/js/258.c1869b61.js"><link rel="prefetch" href="/assets/js/259.42dad42e.js"><link rel="prefetch" href="/assets/js/26.a4edb2dd.js"><link rel="prefetch" href="/assets/js/260.7a3e7628.js"><link rel="prefetch" href="/assets/js/261.e06f2830.js"><link rel="prefetch" href="/assets/js/262.3b095fc8.js"><link rel="prefetch" href="/assets/js/263.702dd996.js"><link rel="prefetch" href="/assets/js/264.71bd0dd8.js"><link rel="prefetch" href="/assets/js/265.4ccf0701.js"><link rel="prefetch" href="/assets/js/266.9ad4be76.js"><link rel="prefetch" href="/assets/js/267.a264e555.js"><link rel="prefetch" href="/assets/js/268.e69b6c26.js"><link rel="prefetch" href="/assets/js/269.4772148b.js"><link rel="prefetch" href="/assets/js/27.a2c72bfa.js"><link rel="prefetch" href="/assets/js/270.55632005.js"><link rel="prefetch" href="/assets/js/271.bb2e728e.js"><link rel="prefetch" href="/assets/js/272.fe9de88f.js"><link rel="prefetch" href="/assets/js/273.15a6e746.js"><link rel="prefetch" href="/assets/js/274.10f71857.js"><link rel="prefetch" href="/assets/js/275.0631862d.js"><link rel="prefetch" href="/assets/js/276.053f9f5a.js"><link rel="prefetch" href="/assets/js/277.38619c31.js"><link rel="prefetch" href="/assets/js/278.913d3739.js"><link rel="prefetch" href="/assets/js/279.89dafdf4.js"><link rel="prefetch" href="/assets/js/28.27fd0454.js"><link rel="prefetch" href="/assets/js/280.339cf9cc.js"><link rel="prefetch" href="/assets/js/281.b28db1d3.js"><link rel="prefetch" href="/assets/js/282.1e56fab3.js"><link rel="prefetch" href="/assets/js/283.f002726d.js"><link rel="prefetch" href="/assets/js/284.55fdc112.js"><link rel="prefetch" href="/assets/js/285.6318903f.js"><link rel="prefetch" href="/assets/js/286.ee655dfb.js"><link rel="prefetch" href="/assets/js/287.7fde4074.js"><link rel="prefetch" href="/assets/js/288.d4fb42ed.js"><link rel="prefetch" href="/assets/js/289.8717ee2a.js"><link rel="prefetch" href="/assets/js/29.d0a835c2.js"><link rel="prefetch" href="/assets/js/290.c0addf30.js"><link rel="prefetch" href="/assets/js/291.6e21f9f0.js"><link rel="prefetch" href="/assets/js/292.3d8fdb88.js"><link rel="prefetch" href="/assets/js/293.b508468e.js"><link rel="prefetch" href="/assets/js/294.c5b7e0c4.js"><link rel="prefetch" href="/assets/js/295.8473ea9f.js"><link rel="prefetch" href="/assets/js/296.57108118.js"><link rel="prefetch" href="/assets/js/297.6e07a5a0.js"><link rel="prefetch" href="/assets/js/298.f9eddc7d.js"><link rel="prefetch" href="/assets/js/299.e06dbf2d.js"><link rel="prefetch" href="/assets/js/30.19aa62af.js"><link rel="prefetch" href="/assets/js/300.0b980485.js"><link rel="prefetch" href="/assets/js/301.daab7904.js"><link rel="prefetch" href="/assets/js/302.10895dcf.js"><link rel="prefetch" href="/assets/js/303.bfca19bb.js"><link rel="prefetch" href="/assets/js/304.078ecd5e.js"><link rel="prefetch" href="/assets/js/305.8f1e46f2.js"><link rel="prefetch" href="/assets/js/306.d7c47a8e.js"><link rel="prefetch" href="/assets/js/307.93934e47.js"><link rel="prefetch" href="/assets/js/308.9cdbcac7.js"><link rel="prefetch" href="/assets/js/309.3273793c.js"><link rel="prefetch" href="/assets/js/31.bcb37260.js"><link rel="prefetch" href="/assets/js/310.2819541f.js"><link rel="prefetch" href="/assets/js/311.b7cb5469.js"><link rel="prefetch" href="/assets/js/312.b1ddba99.js"><link rel="prefetch" href="/assets/js/313.942270ce.js"><link rel="prefetch" href="/assets/js/314.a7c73c4c.js"><link rel="prefetch" href="/assets/js/315.d54f3f1f.js"><link rel="prefetch" href="/assets/js/316.ab0601b7.js"><link rel="prefetch" href="/assets/js/317.4502083e.js"><link rel="prefetch" href="/assets/js/318.6ad9fef9.js"><link rel="prefetch" href="/assets/js/319.0b6b0b25.js"><link rel="prefetch" href="/assets/js/32.eb4ee17f.js"><link rel="prefetch" href="/assets/js/320.e904c472.js"><link rel="prefetch" href="/assets/js/321.bd684d53.js"><link rel="prefetch" href="/assets/js/322.d97c64d4.js"><link rel="prefetch" href="/assets/js/323.cb2a0797.js"><link rel="prefetch" href="/assets/js/324.95653b47.js"><link rel="prefetch" href="/assets/js/325.019a0290.js"><link rel="prefetch" href="/assets/js/326.e2919c22.js"><link rel="prefetch" href="/assets/js/327.571e70db.js"><link rel="prefetch" href="/assets/js/328.f3f0b1cc.js"><link rel="prefetch" href="/assets/js/329.d505c2cc.js"><link rel="prefetch" href="/assets/js/33.393ab612.js"><link rel="prefetch" href="/assets/js/330.a9eafb8c.js"><link rel="prefetch" href="/assets/js/331.c0c1c4aa.js"><link rel="prefetch" href="/assets/js/332.fd5e735f.js"><link rel="prefetch" href="/assets/js/333.0acfe3ff.js"><link rel="prefetch" href="/assets/js/334.fed82a64.js"><link rel="prefetch" href="/assets/js/335.c2f045ac.js"><link rel="prefetch" href="/assets/js/336.b5a00876.js"><link rel="prefetch" href="/assets/js/337.5835b72f.js"><link rel="prefetch" href="/assets/js/338.cda2a506.js"><link rel="prefetch" href="/assets/js/339.3dcdff22.js"><link rel="prefetch" href="/assets/js/34.80da80ab.js"><link rel="prefetch" href="/assets/js/340.943501e6.js"><link rel="prefetch" href="/assets/js/341.c65bf12a.js"><link rel="prefetch" href="/assets/js/342.e197b7a5.js"><link rel="prefetch" href="/assets/js/343.464d8b66.js"><link rel="prefetch" href="/assets/js/344.01a78899.js"><link rel="prefetch" href="/assets/js/345.d79fb90c.js"><link rel="prefetch" href="/assets/js/346.06cbfbd7.js"><link rel="prefetch" href="/assets/js/347.d2ec229c.js"><link rel="prefetch" href="/assets/js/348.5918c142.js"><link rel="prefetch" href="/assets/js/349.4b727dca.js"><link rel="prefetch" href="/assets/js/35.deb93a9e.js"><link rel="prefetch" href="/assets/js/350.fb4bbac6.js"><link rel="prefetch" href="/assets/js/351.00847551.js"><link rel="prefetch" href="/assets/js/352.26f30609.js"><link rel="prefetch" href="/assets/js/353.9c8f9091.js"><link rel="prefetch" href="/assets/js/354.a455a290.js"><link rel="prefetch" href="/assets/js/355.93194d26.js"><link rel="prefetch" href="/assets/js/356.b5aa44a8.js"><link rel="prefetch" href="/assets/js/357.0ec9b287.js"><link rel="prefetch" href="/assets/js/358.f72de5f7.js"><link rel="prefetch" href="/assets/js/359.3b5242be.js"><link rel="prefetch" href="/assets/js/36.639aca68.js"><link rel="prefetch" href="/assets/js/360.28e22a67.js"><link rel="prefetch" href="/assets/js/361.d2a22c33.js"><link rel="prefetch" href="/assets/js/362.1e277d2a.js"><link rel="prefetch" href="/assets/js/363.ead1edbb.js"><link rel="prefetch" href="/assets/js/364.4bd39875.js"><link rel="prefetch" href="/assets/js/365.19e96417.js"><link rel="prefetch" href="/assets/js/366.43db8bcd.js"><link rel="prefetch" href="/assets/js/367.ccffbe0b.js"><link rel="prefetch" href="/assets/js/368.d578dec2.js"><link rel="prefetch" href="/assets/js/369.d8f705b1.js"><link rel="prefetch" href="/assets/js/37.455f5746.js"><link rel="prefetch" href="/assets/js/370.22f9a776.js"><link rel="prefetch" href="/assets/js/371.7a930c83.js"><link rel="prefetch" href="/assets/js/372.5894636a.js"><link rel="prefetch" href="/assets/js/373.b96879a8.js"><link rel="prefetch" href="/assets/js/374.c66dc8e9.js"><link rel="prefetch" href="/assets/js/375.5fc751e3.js"><link rel="prefetch" href="/assets/js/376.48b6a328.js"><link rel="prefetch" href="/assets/js/377.887b53fe.js"><link rel="prefetch" href="/assets/js/378.57c5335d.js"><link rel="prefetch" href="/assets/js/379.566a61ed.js"><link rel="prefetch" href="/assets/js/38.448607fa.js"><link rel="prefetch" href="/assets/js/380.72ef0db2.js"><link rel="prefetch" href="/assets/js/381.c462d499.js"><link rel="prefetch" href="/assets/js/382.d4648de6.js"><link rel="prefetch" href="/assets/js/383.dfe677fd.js"><link rel="prefetch" href="/assets/js/384.2c0f0d9f.js"><link rel="prefetch" href="/assets/js/385.4debe6fb.js"><link rel="prefetch" href="/assets/js/386.63bfc391.js"><link rel="prefetch" href="/assets/js/387.44ba930f.js"><link rel="prefetch" href="/assets/js/388.e048470a.js"><link rel="prefetch" href="/assets/js/389.7b45f596.js"><link rel="prefetch" href="/assets/js/39.3ffddfc9.js"><link rel="prefetch" href="/assets/js/390.092f916a.js"><link rel="prefetch" href="/assets/js/391.31d4eb40.js"><link rel="prefetch" href="/assets/js/392.82a27484.js"><link rel="prefetch" href="/assets/js/393.617c458e.js"><link rel="prefetch" href="/assets/js/394.71ce78c7.js"><link rel="prefetch" href="/assets/js/395.d39e5c5e.js"><link rel="prefetch" href="/assets/js/396.1e06a9c2.js"><link rel="prefetch" href="/assets/js/397.c20094fe.js"><link rel="prefetch" href="/assets/js/398.27126222.js"><link rel="prefetch" href="/assets/js/399.3eedd1ce.js"><link rel="prefetch" href="/assets/js/4.5d0a9a7e.js"><link rel="prefetch" href="/assets/js/40.0bd1068c.js"><link rel="prefetch" href="/assets/js/400.997fddf9.js"><link rel="prefetch" href="/assets/js/401.1ff10b34.js"><link rel="prefetch" href="/assets/js/402.43814e2c.js"><link rel="prefetch" href="/assets/js/403.c1ef4f20.js"><link rel="prefetch" href="/assets/js/404.e165390b.js"><link rel="prefetch" href="/assets/js/405.9d155861.js"><link rel="prefetch" href="/assets/js/406.72afb5e3.js"><link rel="prefetch" href="/assets/js/407.05cf39fd.js"><link rel="prefetch" href="/assets/js/408.61ae89ae.js"><link rel="prefetch" href="/assets/js/409.2bce598b.js"><link rel="prefetch" href="/assets/js/41.8e27becf.js"><link rel="prefetch" href="/assets/js/410.14f1eb08.js"><link rel="prefetch" href="/assets/js/411.bb1e7614.js"><link rel="prefetch" href="/assets/js/412.17519eb0.js"><link rel="prefetch" href="/assets/js/413.2e19e9cb.js"><link rel="prefetch" href="/assets/js/414.446a0ba2.js"><link rel="prefetch" href="/assets/js/415.fb2ee091.js"><link rel="prefetch" href="/assets/js/416.84b08240.js"><link rel="prefetch" href="/assets/js/417.e01ae4cc.js"><link rel="prefetch" href="/assets/js/418.eb6ada7d.js"><link rel="prefetch" href="/assets/js/419.a05f1421.js"><link rel="prefetch" href="/assets/js/42.abc01b89.js"><link rel="prefetch" href="/assets/js/420.79948f5d.js"><link rel="prefetch" href="/assets/js/421.f4652aa6.js"><link rel="prefetch" href="/assets/js/422.dea376a7.js"><link rel="prefetch" href="/assets/js/423.787e1c7b.js"><link rel="prefetch" href="/assets/js/424.c88dfede.js"><link rel="prefetch" href="/assets/js/425.9959ebad.js"><link rel="prefetch" href="/assets/js/426.195fa85b.js"><link rel="prefetch" href="/assets/js/427.033cacd9.js"><link rel="prefetch" href="/assets/js/428.24a408f5.js"><link rel="prefetch" href="/assets/js/429.ead67f10.js"><link rel="prefetch" href="/assets/js/43.31ec3f3b.js"><link rel="prefetch" href="/assets/js/430.e3645228.js"><link rel="prefetch" href="/assets/js/431.03d52d25.js"><link rel="prefetch" href="/assets/js/432.4b16d43f.js"><link rel="prefetch" href="/assets/js/433.d17358e7.js"><link rel="prefetch" href="/assets/js/434.92791e39.js"><link rel="prefetch" href="/assets/js/435.29df0e49.js"><link rel="prefetch" href="/assets/js/436.f6d7da72.js"><link rel="prefetch" href="/assets/js/437.20ece698.js"><link rel="prefetch" href="/assets/js/438.4620fb96.js"><link rel="prefetch" href="/assets/js/439.6ebc2c6b.js"><link rel="prefetch" href="/assets/js/44.5531a936.js"><link rel="prefetch" href="/assets/js/440.62b456d0.js"><link rel="prefetch" href="/assets/js/441.a829cc30.js"><link rel="prefetch" href="/assets/js/442.4a33647e.js"><link rel="prefetch" href="/assets/js/443.b1784b2c.js"><link rel="prefetch" href="/assets/js/444.524dbc98.js"><link rel="prefetch" href="/assets/js/445.ca46e541.js"><link rel="prefetch" href="/assets/js/446.db0cd47a.js"><link rel="prefetch" href="/assets/js/447.8c0193b9.js"><link rel="prefetch" href="/assets/js/448.a0dece3d.js"><link rel="prefetch" href="/assets/js/449.58d00699.js"><link rel="prefetch" href="/assets/js/45.c2f47b80.js"><link rel="prefetch" href="/assets/js/450.1d7c88bf.js"><link rel="prefetch" href="/assets/js/451.ead05431.js"><link rel="prefetch" href="/assets/js/452.25240595.js"><link rel="prefetch" href="/assets/js/453.21e2227e.js"><link rel="prefetch" href="/assets/js/454.1f1577df.js"><link rel="prefetch" href="/assets/js/455.ee7f0ec6.js"><link rel="prefetch" href="/assets/js/456.8322c304.js"><link rel="prefetch" href="/assets/js/457.d67bee83.js"><link rel="prefetch" href="/assets/js/458.d302f88f.js"><link rel="prefetch" href="/assets/js/459.ec69b91a.js"><link rel="prefetch" href="/assets/js/46.cbf4cc90.js"><link rel="prefetch" href="/assets/js/460.5f43d843.js"><link rel="prefetch" href="/assets/js/461.af9ae300.js"><link rel="prefetch" href="/assets/js/462.63358b78.js"><link rel="prefetch" href="/assets/js/463.f9215e59.js"><link rel="prefetch" href="/assets/js/464.eefd5a7a.js"><link rel="prefetch" href="/assets/js/465.3db718c2.js"><link rel="prefetch" href="/assets/js/466.5734dda0.js"><link rel="prefetch" href="/assets/js/467.53a6c22c.js"><link rel="prefetch" href="/assets/js/468.91eef53b.js"><link rel="prefetch" href="/assets/js/469.f4bfe881.js"><link rel="prefetch" href="/assets/js/47.6bd453c6.js"><link rel="prefetch" href="/assets/js/470.0180c7ff.js"><link rel="prefetch" href="/assets/js/471.76df0705.js"><link rel="prefetch" href="/assets/js/472.8ce8dda2.js"><link rel="prefetch" href="/assets/js/473.c65c2f97.js"><link rel="prefetch" href="/assets/js/474.d98874bb.js"><link rel="prefetch" href="/assets/js/475.ab9681af.js"><link rel="prefetch" href="/assets/js/476.85664cd1.js"><link rel="prefetch" href="/assets/js/477.e23a98b7.js"><link rel="prefetch" href="/assets/js/478.cb6f7a42.js"><link rel="prefetch" href="/assets/js/479.783e1339.js"><link rel="prefetch" href="/assets/js/48.eb469bca.js"><link rel="prefetch" href="/assets/js/480.cc513d30.js"><link rel="prefetch" href="/assets/js/481.16c89866.js"><link rel="prefetch" href="/assets/js/482.f0430dd2.js"><link rel="prefetch" href="/assets/js/483.0a3a3a2b.js"><link rel="prefetch" href="/assets/js/484.0aadcf01.js"><link rel="prefetch" href="/assets/js/485.b16235fc.js"><link rel="prefetch" href="/assets/js/486.c5f54675.js"><link rel="prefetch" href="/assets/js/487.09a8a629.js"><link rel="prefetch" href="/assets/js/488.0755a891.js"><link rel="prefetch" href="/assets/js/489.a2f0504f.js"><link rel="prefetch" href="/assets/js/49.d65be285.js"><link rel="prefetch" href="/assets/js/490.af778260.js"><link rel="prefetch" href="/assets/js/491.13996e82.js"><link rel="prefetch" href="/assets/js/492.d0b25d65.js"><link rel="prefetch" href="/assets/js/493.fc5ca5ba.js"><link rel="prefetch" href="/assets/js/494.dd516b19.js"><link rel="prefetch" href="/assets/js/495.7024c4bc.js"><link rel="prefetch" href="/assets/js/496.33425c22.js"><link rel="prefetch" href="/assets/js/497.d1cdfe28.js"><link rel="prefetch" href="/assets/js/498.990bcc28.js"><link rel="prefetch" href="/assets/js/499.e77b1009.js"><link rel="prefetch" href="/assets/js/5.7b0353a7.js"><link rel="prefetch" href="/assets/js/50.6bf6ce2c.js"><link rel="prefetch" href="/assets/js/500.1ef5f65c.js"><link rel="prefetch" href="/assets/js/501.f9d3f9cb.js"><link rel="prefetch" href="/assets/js/502.2c3b35cd.js"><link rel="prefetch" href="/assets/js/503.9105c122.js"><link rel="prefetch" href="/assets/js/504.744cfb8d.js"><link rel="prefetch" href="/assets/js/505.3f3356a7.js"><link rel="prefetch" href="/assets/js/506.a5d3f61b.js"><link rel="prefetch" href="/assets/js/507.54a4171d.js"><link rel="prefetch" href="/assets/js/508.03c0d46c.js"><link rel="prefetch" href="/assets/js/509.4e4b0934.js"><link rel="prefetch" href="/assets/js/51.36ebf098.js"><link rel="prefetch" href="/assets/js/510.26789adc.js"><link rel="prefetch" href="/assets/js/511.fa8518fd.js"><link rel="prefetch" href="/assets/js/512.304225b5.js"><link rel="prefetch" href="/assets/js/513.41ba485e.js"><link rel="prefetch" href="/assets/js/514.0911dc4f.js"><link rel="prefetch" href="/assets/js/515.0cefe921.js"><link rel="prefetch" href="/assets/js/516.ef927e48.js"><link rel="prefetch" href="/assets/js/517.a7a16461.js"><link rel="prefetch" href="/assets/js/518.fb2d3b65.js"><link rel="prefetch" href="/assets/js/519.9a788feb.js"><link rel="prefetch" href="/assets/js/52.a03ec3b8.js"><link rel="prefetch" href="/assets/js/520.131c9223.js"><link rel="prefetch" href="/assets/js/521.785577e5.js"><link rel="prefetch" href="/assets/js/522.9b7df241.js"><link rel="prefetch" href="/assets/js/523.f46b1f65.js"><link rel="prefetch" href="/assets/js/524.96fbfd99.js"><link rel="prefetch" href="/assets/js/525.b9379090.js"><link rel="prefetch" href="/assets/js/526.e761259c.js"><link rel="prefetch" href="/assets/js/527.99be21fc.js"><link rel="prefetch" href="/assets/js/528.3bc9411a.js"><link rel="prefetch" href="/assets/js/529.0d1ba1e8.js"><link rel="prefetch" href="/assets/js/53.82716a34.js"><link rel="prefetch" href="/assets/js/530.7edb1f10.js"><link rel="prefetch" href="/assets/js/531.883db119.js"><link rel="prefetch" href="/assets/js/532.7429dd05.js"><link rel="prefetch" href="/assets/js/533.32032440.js"><link rel="prefetch" href="/assets/js/534.12fa4aa9.js"><link rel="prefetch" href="/assets/js/535.892a70d7.js"><link rel="prefetch" href="/assets/js/536.bdf0701c.js"><link rel="prefetch" href="/assets/js/537.daeb9f68.js"><link rel="prefetch" href="/assets/js/538.a04ac925.js"><link rel="prefetch" href="/assets/js/539.c55960a1.js"><link rel="prefetch" href="/assets/js/54.532b80fe.js"><link rel="prefetch" href="/assets/js/540.6fd1f16f.js"><link rel="prefetch" href="/assets/js/541.87995e18.js"><link rel="prefetch" href="/assets/js/542.f8fd4993.js"><link rel="prefetch" href="/assets/js/543.6450ac68.js"><link rel="prefetch" href="/assets/js/544.3627a60a.js"><link rel="prefetch" href="/assets/js/545.46f1f4ea.js"><link rel="prefetch" href="/assets/js/546.eff1b62a.js"><link rel="prefetch" href="/assets/js/547.d7e75e3c.js"><link rel="prefetch" href="/assets/js/548.fa68b7b9.js"><link rel="prefetch" href="/assets/js/549.c57080fa.js"><link rel="prefetch" href="/assets/js/55.b6aa165a.js"><link rel="prefetch" href="/assets/js/550.4a2a542d.js"><link rel="prefetch" href="/assets/js/551.e98f6894.js"><link rel="prefetch" href="/assets/js/552.26f01ee2.js"><link rel="prefetch" href="/assets/js/553.266d9a0e.js"><link rel="prefetch" href="/assets/js/554.9393e17e.js"><link rel="prefetch" href="/assets/js/555.c43d23b7.js"><link rel="prefetch" href="/assets/js/556.7adae924.js"><link rel="prefetch" href="/assets/js/557.37b791fd.js"><link rel="prefetch" href="/assets/js/558.431130c2.js"><link rel="prefetch" href="/assets/js/559.b50c48d9.js"><link rel="prefetch" href="/assets/js/56.a71b272a.js"><link rel="prefetch" href="/assets/js/560.7c042c36.js"><link rel="prefetch" href="/assets/js/561.8eb48d51.js"><link rel="prefetch" href="/assets/js/562.2fe427b1.js"><link rel="prefetch" href="/assets/js/563.795729c0.js"><link rel="prefetch" href="/assets/js/564.ea41c501.js"><link rel="prefetch" href="/assets/js/565.83d43ee8.js"><link rel="prefetch" href="/assets/js/566.dfd57ffe.js"><link rel="prefetch" href="/assets/js/567.a793ad7e.js"><link rel="prefetch" href="/assets/js/568.8dd4680e.js"><link rel="prefetch" href="/assets/js/569.33885f82.js"><link rel="prefetch" href="/assets/js/57.f638c0fe.js"><link rel="prefetch" href="/assets/js/570.0e164544.js"><link rel="prefetch" href="/assets/js/571.90101d03.js"><link rel="prefetch" href="/assets/js/572.eff7a797.js"><link rel="prefetch" href="/assets/js/573.a186caf7.js"><link rel="prefetch" href="/assets/js/574.c2572802.js"><link rel="prefetch" href="/assets/js/575.2a2c9267.js"><link rel="prefetch" href="/assets/js/576.f2a73612.js"><link rel="prefetch" href="/assets/js/577.5bfe2a50.js"><link rel="prefetch" href="/assets/js/578.67c97ff1.js"><link rel="prefetch" href="/assets/js/579.1b29a125.js"><link rel="prefetch" href="/assets/js/58.d0efa161.js"><link rel="prefetch" href="/assets/js/580.910f7ac6.js"><link rel="prefetch" href="/assets/js/581.b89befb3.js"><link rel="prefetch" href="/assets/js/582.04e8f918.js"><link rel="prefetch" href="/assets/js/583.0095e951.js"><link rel="prefetch" href="/assets/js/584.ceadf1d5.js"><link rel="prefetch" href="/assets/js/585.d96d171b.js"><link rel="prefetch" href="/assets/js/586.446bc77b.js"><link rel="prefetch" href="/assets/js/587.e8a2f750.js"><link rel="prefetch" href="/assets/js/588.214f212e.js"><link rel="prefetch" href="/assets/js/589.56c2c401.js"><link rel="prefetch" href="/assets/js/59.23c94b56.js"><link rel="prefetch" href="/assets/js/590.b5fc6436.js"><link rel="prefetch" href="/assets/js/591.ddb9937e.js"><link rel="prefetch" href="/assets/js/592.635021f4.js"><link rel="prefetch" href="/assets/js/593.3dce342e.js"><link rel="prefetch" href="/assets/js/594.67f210c5.js"><link rel="prefetch" href="/assets/js/595.47ba84d7.js"><link rel="prefetch" href="/assets/js/596.4279696a.js"><link rel="prefetch" href="/assets/js/597.6154da62.js"><link rel="prefetch" href="/assets/js/598.b326b455.js"><link rel="prefetch" href="/assets/js/599.617c86b4.js"><link rel="prefetch" href="/assets/js/6.204aeb38.js"><link rel="prefetch" href="/assets/js/60.a3fb5e67.js"><link rel="prefetch" href="/assets/js/600.42a5c0b2.js"><link rel="prefetch" href="/assets/js/601.aba8e3d8.js"><link rel="prefetch" href="/assets/js/602.4b69d558.js"><link rel="prefetch" href="/assets/js/603.08b34596.js"><link rel="prefetch" href="/assets/js/604.06eac637.js"><link rel="prefetch" href="/assets/js/605.17405084.js"><link rel="prefetch" href="/assets/js/606.bcef307d.js"><link rel="prefetch" href="/assets/js/607.3b5f91d4.js"><link rel="prefetch" href="/assets/js/608.3b115f37.js"><link rel="prefetch" href="/assets/js/609.9170ea1a.js"><link rel="prefetch" href="/assets/js/61.9d6e7108.js"><link rel="prefetch" href="/assets/js/610.e27ae050.js"><link rel="prefetch" href="/assets/js/611.347a5433.js"><link rel="prefetch" href="/assets/js/612.adf7c09e.js"><link rel="prefetch" href="/assets/js/613.a2807809.js"><link rel="prefetch" href="/assets/js/614.3aa52207.js"><link rel="prefetch" href="/assets/js/615.9b3b6d00.js"><link rel="prefetch" href="/assets/js/616.088cd9e8.js"><link rel="prefetch" href="/assets/js/617.f6fbef34.js"><link rel="prefetch" href="/assets/js/618.c50c4fbd.js"><link rel="prefetch" href="/assets/js/619.5cf6479b.js"><link rel="prefetch" href="/assets/js/62.6bcbb103.js"><link rel="prefetch" href="/assets/js/620.547840ad.js"><link rel="prefetch" href="/assets/js/621.f3e01cf1.js"><link rel="prefetch" href="/assets/js/622.16a332bc.js"><link rel="prefetch" href="/assets/js/623.baddf4ae.js"><link rel="prefetch" href="/assets/js/624.486c1f32.js"><link rel="prefetch" href="/assets/js/625.a24d6806.js"><link rel="prefetch" href="/assets/js/626.0364d7f4.js"><link rel="prefetch" href="/assets/js/627.e67a4fb9.js"><link rel="prefetch" href="/assets/js/628.b9d29380.js"><link rel="prefetch" href="/assets/js/629.2d974d17.js"><link rel="prefetch" href="/assets/js/63.6cf2ac7b.js"><link rel="prefetch" href="/assets/js/630.b413a835.js"><link rel="prefetch" href="/assets/js/631.512023e6.js"><link rel="prefetch" href="/assets/js/632.dbef2456.js"><link rel="prefetch" href="/assets/js/633.c354ea5d.js"><link rel="prefetch" href="/assets/js/634.5eeb78aa.js"><link rel="prefetch" href="/assets/js/635.0dab459b.js"><link rel="prefetch" href="/assets/js/636.b763471e.js"><link rel="prefetch" href="/assets/js/637.b962705f.js"><link rel="prefetch" href="/assets/js/638.555bde98.js"><link rel="prefetch" href="/assets/js/639.0d00729a.js"><link rel="prefetch" href="/assets/js/64.d264049d.js"><link rel="prefetch" href="/assets/js/640.8995d882.js"><link rel="prefetch" href="/assets/js/641.e476ce91.js"><link rel="prefetch" href="/assets/js/642.ac768d74.js"><link rel="prefetch" href="/assets/js/643.53ee2bae.js"><link rel="prefetch" href="/assets/js/644.536cfbeb.js"><link rel="prefetch" href="/assets/js/645.60f2efa4.js"><link rel="prefetch" href="/assets/js/646.59cfe445.js"><link rel="prefetch" href="/assets/js/647.1a4187d4.js"><link rel="prefetch" href="/assets/js/648.252067f1.js"><link rel="prefetch" href="/assets/js/649.995f7882.js"><link rel="prefetch" href="/assets/js/65.a01b161a.js"><link rel="prefetch" href="/assets/js/650.235273f0.js"><link rel="prefetch" href="/assets/js/651.ef1a8960.js"><link rel="prefetch" href="/assets/js/652.3adafb5d.js"><link rel="prefetch" href="/assets/js/653.fe73e6a3.js"><link rel="prefetch" href="/assets/js/654.e4c5e5ee.js"><link rel="prefetch" href="/assets/js/655.048cc4a9.js"><link rel="prefetch" href="/assets/js/656.bdc10a30.js"><link rel="prefetch" href="/assets/js/657.44610746.js"><link rel="prefetch" href="/assets/js/658.8a7f1c44.js"><link rel="prefetch" href="/assets/js/659.10175719.js"><link rel="prefetch" href="/assets/js/66.4e9de733.js"><link rel="prefetch" href="/assets/js/660.a266a574.js"><link rel="prefetch" href="/assets/js/661.83ad034c.js"><link rel="prefetch" href="/assets/js/662.d1903155.js"><link rel="prefetch" href="/assets/js/663.e671b659.js"><link rel="prefetch" href="/assets/js/664.ca20fe04.js"><link rel="prefetch" href="/assets/js/665.41f13dae.js"><link rel="prefetch" href="/assets/js/666.c1e45a3c.js"><link rel="prefetch" href="/assets/js/667.2a2423f1.js"><link rel="prefetch" href="/assets/js/668.a820ab62.js"><link rel="prefetch" href="/assets/js/669.3a501167.js"><link rel="prefetch" href="/assets/js/67.f0d2d3f5.js"><link rel="prefetch" href="/assets/js/670.0a4c6d33.js"><link rel="prefetch" href="/assets/js/671.4e18f841.js"><link rel="prefetch" href="/assets/js/672.9f042338.js"><link rel="prefetch" href="/assets/js/673.6b7c6320.js"><link rel="prefetch" href="/assets/js/674.37f92524.js"><link rel="prefetch" href="/assets/js/675.2cc687ad.js"><link rel="prefetch" href="/assets/js/676.62483171.js"><link rel="prefetch" href="/assets/js/677.e26ae6cf.js"><link rel="prefetch" href="/assets/js/678.f81be0e1.js"><link rel="prefetch" href="/assets/js/679.b25ddf62.js"><link rel="prefetch" href="/assets/js/68.ccc83afb.js"><link rel="prefetch" href="/assets/js/680.78191ec1.js"><link rel="prefetch" href="/assets/js/681.bfb9f8ec.js"><link rel="prefetch" href="/assets/js/682.a70ec150.js"><link rel="prefetch" href="/assets/js/683.ac2fea99.js"><link rel="prefetch" href="/assets/js/684.aa2daf9a.js"><link rel="prefetch" href="/assets/js/685.069c50f6.js"><link rel="prefetch" href="/assets/js/686.fcf6512b.js"><link rel="prefetch" href="/assets/js/687.03df5e58.js"><link rel="prefetch" href="/assets/js/688.e3cd2e07.js"><link rel="prefetch" href="/assets/js/689.e64022a9.js"><link rel="prefetch" href="/assets/js/69.4590e554.js"><link rel="prefetch" href="/assets/js/690.8b07785b.js"><link rel="prefetch" href="/assets/js/691.23c357d2.js"><link rel="prefetch" href="/assets/js/692.baaa76ac.js"><link rel="prefetch" href="/assets/js/693.6ae8e16f.js"><link rel="prefetch" href="/assets/js/694.9db0a685.js"><link rel="prefetch" href="/assets/js/695.e5c44dea.js"><link rel="prefetch" href="/assets/js/696.0c96f531.js"><link rel="prefetch" href="/assets/js/697.5fd9613d.js"><link rel="prefetch" href="/assets/js/698.34c4c61b.js"><link rel="prefetch" href="/assets/js/699.3413ed1b.js"><link rel="prefetch" href="/assets/js/7.c348744b.js"><link rel="prefetch" href="/assets/js/70.e2863894.js"><link rel="prefetch" href="/assets/js/700.52a3fdc6.js"><link rel="prefetch" href="/assets/js/701.db7963a4.js"><link rel="prefetch" href="/assets/js/702.b6ed5cba.js"><link rel="prefetch" href="/assets/js/703.91b2d728.js"><link rel="prefetch" href="/assets/js/704.c62c5b07.js"><link rel="prefetch" href="/assets/js/705.a008fdd1.js"><link rel="prefetch" href="/assets/js/706.3ecf6eed.js"><link rel="prefetch" href="/assets/js/707.e33a2501.js"><link rel="prefetch" href="/assets/js/708.7c1b9ec2.js"><link rel="prefetch" href="/assets/js/709.aca6396f.js"><link rel="prefetch" href="/assets/js/71.96a6bf65.js"><link rel="prefetch" href="/assets/js/710.9c42634d.js"><link rel="prefetch" href="/assets/js/711.1dd014a0.js"><link rel="prefetch" href="/assets/js/712.1b80fcd0.js"><link rel="prefetch" href="/assets/js/713.469a3e19.js"><link rel="prefetch" href="/assets/js/714.572f57f1.js"><link rel="prefetch" href="/assets/js/715.20094df3.js"><link rel="prefetch" href="/assets/js/716.f98fc603.js"><link rel="prefetch" href="/assets/js/717.4d6adc52.js"><link rel="prefetch" href="/assets/js/718.9ad1190a.js"><link rel="prefetch" href="/assets/js/719.5bc69893.js"><link rel="prefetch" href="/assets/js/72.a685f354.js"><link rel="prefetch" href="/assets/js/720.9f283ded.js"><link rel="prefetch" href="/assets/js/721.d262329b.js"><link rel="prefetch" href="/assets/js/722.c5566455.js"><link rel="prefetch" href="/assets/js/723.94a84436.js"><link rel="prefetch" href="/assets/js/724.3c4c4f76.js"><link rel="prefetch" href="/assets/js/725.b7f09a28.js"><link rel="prefetch" href="/assets/js/726.207ab082.js"><link rel="prefetch" href="/assets/js/727.ab9f807e.js"><link rel="prefetch" href="/assets/js/728.ac2835c6.js"><link rel="prefetch" href="/assets/js/729.c0e0e219.js"><link rel="prefetch" href="/assets/js/73.e711ec3f.js"><link rel="prefetch" href="/assets/js/730.c48e22a0.js"><link rel="prefetch" href="/assets/js/731.0abea002.js"><link rel="prefetch" href="/assets/js/732.2aa97612.js"><link rel="prefetch" href="/assets/js/733.5dc16fce.js"><link rel="prefetch" href="/assets/js/734.44efa375.js"><link rel="prefetch" href="/assets/js/735.81d38663.js"><link rel="prefetch" href="/assets/js/736.5e847560.js"><link rel="prefetch" href="/assets/js/737.93119699.js"><link rel="prefetch" href="/assets/js/738.9ae30249.js"><link rel="prefetch" href="/assets/js/739.92a9e828.js"><link rel="prefetch" href="/assets/js/74.a5d4a4c1.js"><link rel="prefetch" href="/assets/js/740.544500a2.js"><link rel="prefetch" href="/assets/js/741.1b4ae39c.js"><link rel="prefetch" href="/assets/js/742.5b4c2e63.js"><link rel="prefetch" href="/assets/js/743.ce6af203.js"><link rel="prefetch" href="/assets/js/744.f8878318.js"><link rel="prefetch" href="/assets/js/745.e72317e6.js"><link rel="prefetch" href="/assets/js/746.e3f1f6e1.js"><link rel="prefetch" href="/assets/js/747.a27b7226.js"><link rel="prefetch" href="/assets/js/748.99674bb2.js"><link rel="prefetch" href="/assets/js/749.7224a37d.js"><link rel="prefetch" href="/assets/js/75.a305785c.js"><link rel="prefetch" href="/assets/js/750.e8805e4e.js"><link rel="prefetch" href="/assets/js/751.5406baaf.js"><link rel="prefetch" href="/assets/js/752.d55ed6e1.js"><link rel="prefetch" href="/assets/js/753.b751dc84.js"><link rel="prefetch" href="/assets/js/754.3aba33a6.js"><link rel="prefetch" href="/assets/js/755.3b91828b.js"><link rel="prefetch" href="/assets/js/756.7f3d7e28.js"><link rel="prefetch" href="/assets/js/757.04bb75a3.js"><link rel="prefetch" href="/assets/js/758.42854f45.js"><link rel="prefetch" href="/assets/js/759.d089a30e.js"><link rel="prefetch" href="/assets/js/76.0a9e8496.js"><link rel="prefetch" href="/assets/js/760.3fe1fa05.js"><link rel="prefetch" href="/assets/js/761.7b881e5c.js"><link rel="prefetch" href="/assets/js/762.68f80ff6.js"><link rel="prefetch" href="/assets/js/763.157eb75c.js"><link rel="prefetch" href="/assets/js/764.fa839390.js"><link rel="prefetch" href="/assets/js/765.b4b84218.js"><link rel="prefetch" href="/assets/js/766.302cca5f.js"><link rel="prefetch" href="/assets/js/767.6f0907c3.js"><link rel="prefetch" href="/assets/js/768.e22678f6.js"><link rel="prefetch" href="/assets/js/769.3fc1886c.js"><link rel="prefetch" href="/assets/js/77.98264796.js"><link rel="prefetch" href="/assets/js/770.db782fb7.js"><link rel="prefetch" href="/assets/js/771.34840aa2.js"><link rel="prefetch" href="/assets/js/772.bcfa83eb.js"><link rel="prefetch" href="/assets/js/773.548a8904.js"><link rel="prefetch" href="/assets/js/774.4818e263.js"><link rel="prefetch" href="/assets/js/775.ac411b88.js"><link rel="prefetch" href="/assets/js/776.82f0f77a.js"><link rel="prefetch" href="/assets/js/777.45c77a82.js"><link rel="prefetch" href="/assets/js/778.9351ce65.js"><link rel="prefetch" href="/assets/js/78.baf9e00f.js"><link rel="prefetch" href="/assets/js/780.4454a5b8.js"><link rel="prefetch" href="/assets/js/781.b9e031ae.js"><link rel="prefetch" href="/assets/js/782.65188e78.js"><link rel="prefetch" href="/assets/js/783.668f3848.js"><link rel="prefetch" href="/assets/js/784.aa311bf9.js"><link rel="prefetch" href="/assets/js/785.7ceb179d.js"><link rel="prefetch" href="/assets/js/786.ac753b83.js"><link rel="prefetch" href="/assets/js/787.781220b5.js"><link rel="prefetch" href="/assets/js/788.9f38b3fc.js"><link rel="prefetch" href="/assets/js/789.6c0ffe83.js"><link rel="prefetch" href="/assets/js/79.30f7cca0.js"><link rel="prefetch" href="/assets/js/790.9c33f6a4.js"><link rel="prefetch" href="/assets/js/791.26887327.js"><link rel="prefetch" href="/assets/js/792.742f7c6a.js"><link rel="prefetch" href="/assets/js/793.6c939770.js"><link rel="prefetch" href="/assets/js/794.40cd9232.js"><link rel="prefetch" href="/assets/js/795.8a5137af.js"><link rel="prefetch" href="/assets/js/796.2a697fd6.js"><link rel="prefetch" href="/assets/js/797.e074b239.js"><link rel="prefetch" href="/assets/js/798.5e368f82.js"><link rel="prefetch" href="/assets/js/799.b5884218.js"><link rel="prefetch" href="/assets/js/8.d5679e1b.js"><link rel="prefetch" href="/assets/js/80.b41b2ff9.js"><link rel="prefetch" href="/assets/js/800.49676e0c.js"><link rel="prefetch" href="/assets/js/801.ebe397ba.js"><link rel="prefetch" href="/assets/js/802.656ab7f4.js"><link rel="prefetch" href="/assets/js/803.1923fae8.js"><link rel="prefetch" href="/assets/js/804.59d75fd9.js"><link rel="prefetch" href="/assets/js/805.7c954bfe.js"><link rel="prefetch" href="/assets/js/806.605cdb0c.js"><link rel="prefetch" href="/assets/js/807.8b392b5b.js"><link rel="prefetch" href="/assets/js/808.5196740d.js"><link rel="prefetch" href="/assets/js/809.3dcbf265.js"><link rel="prefetch" href="/assets/js/81.0f9b092a.js"><link rel="prefetch" href="/assets/js/810.532cb63a.js"><link rel="prefetch" href="/assets/js/811.cae24c35.js"><link rel="prefetch" href="/assets/js/812.9893b17f.js"><link rel="prefetch" href="/assets/js/813.66e1be45.js"><link rel="prefetch" href="/assets/js/814.3b195705.js"><link rel="prefetch" href="/assets/js/815.48701b5b.js"><link rel="prefetch" href="/assets/js/816.01841c11.js"><link rel="prefetch" href="/assets/js/817.fd27d70f.js"><link rel="prefetch" href="/assets/js/818.91b216b9.js"><link rel="prefetch" href="/assets/js/819.702ead4e.js"><link rel="prefetch" href="/assets/js/82.22fc70ec.js"><link rel="prefetch" href="/assets/js/820.40dae6c9.js"><link rel="prefetch" href="/assets/js/821.1b55e7c7.js"><link rel="prefetch" href="/assets/js/822.7fe9a93d.js"><link rel="prefetch" href="/assets/js/823.d3564c3b.js"><link rel="prefetch" href="/assets/js/824.1efe916c.js"><link rel="prefetch" href="/assets/js/825.7ed2e2cf.js"><link rel="prefetch" href="/assets/js/826.0e4247dd.js"><link rel="prefetch" href="/assets/js/827.50c5de75.js"><link rel="prefetch" href="/assets/js/828.b6597f9e.js"><link rel="prefetch" href="/assets/js/829.6970e2c9.js"><link rel="prefetch" href="/assets/js/83.3272e2f1.js"><link rel="prefetch" href="/assets/js/830.4c0380aa.js"><link rel="prefetch" href="/assets/js/831.88c729dc.js"><link rel="prefetch" href="/assets/js/832.aedc251c.js"><link rel="prefetch" href="/assets/js/833.c6ecd12e.js"><link rel="prefetch" href="/assets/js/834.1d233a47.js"><link rel="prefetch" href="/assets/js/835.d788b745.js"><link rel="prefetch" href="/assets/js/836.48125aa2.js"><link rel="prefetch" href="/assets/js/837.d7d3cec3.js"><link rel="prefetch" href="/assets/js/838.e31629c5.js"><link rel="prefetch" href="/assets/js/839.bfdd2c7d.js"><link rel="prefetch" href="/assets/js/84.ae51ea72.js"><link rel="prefetch" href="/assets/js/840.4e11a0da.js"><link rel="prefetch" href="/assets/js/841.5d06e31d.js"><link rel="prefetch" href="/assets/js/842.4bfe783e.js"><link rel="prefetch" href="/assets/js/843.a4940eb9.js"><link rel="prefetch" href="/assets/js/844.9474f593.js"><link rel="prefetch" href="/assets/js/845.18b61273.js"><link rel="prefetch" href="/assets/js/846.c6ab5e16.js"><link rel="prefetch" href="/assets/js/847.f0baee5d.js"><link rel="prefetch" href="/assets/js/848.e4463c30.js"><link rel="prefetch" href="/assets/js/849.594d83c7.js"><link rel="prefetch" href="/assets/js/85.70390080.js"><link rel="prefetch" href="/assets/js/850.db352aba.js"><link rel="prefetch" href="/assets/js/851.993c9257.js"><link rel="prefetch" href="/assets/js/852.722283f7.js"><link rel="prefetch" href="/assets/js/853.793a3354.js"><link rel="prefetch" href="/assets/js/854.739fa58f.js"><link rel="prefetch" href="/assets/js/855.88dd9db0.js"><link rel="prefetch" href="/assets/js/856.ba6e327b.js"><link rel="prefetch" href="/assets/js/857.9951f861.js"><link rel="prefetch" href="/assets/js/858.57e462aa.js"><link rel="prefetch" href="/assets/js/859.07414b62.js"><link rel="prefetch" href="/assets/js/86.e5ae183e.js"><link rel="prefetch" href="/assets/js/860.8dee7c30.js"><link rel="prefetch" href="/assets/js/861.86c1eebd.js"><link rel="prefetch" href="/assets/js/862.9d737554.js"><link rel="prefetch" href="/assets/js/863.bde034c9.js"><link rel="prefetch" href="/assets/js/864.37b079f0.js"><link rel="prefetch" href="/assets/js/865.ed62ea94.js"><link rel="prefetch" href="/assets/js/866.7b8a8775.js"><link rel="prefetch" href="/assets/js/867.91f0353b.js"><link rel="prefetch" href="/assets/js/868.e1f9dfa3.js"><link rel="prefetch" href="/assets/js/869.988123f1.js"><link rel="prefetch" href="/assets/js/87.f3e00c6d.js"><link rel="prefetch" href="/assets/js/870.3f7145fc.js"><link rel="prefetch" href="/assets/js/871.dc1cc01f.js"><link rel="prefetch" href="/assets/js/872.6696ccf5.js"><link rel="prefetch" href="/assets/js/88.2aec2735.js"><link rel="prefetch" href="/assets/js/89.250a82fb.js"><link rel="prefetch" href="/assets/js/9.2c280511.js"><link rel="prefetch" href="/assets/js/90.f1a381e8.js"><link rel="prefetch" href="/assets/js/91.a79b3468.js"><link rel="prefetch" href="/assets/js/92.94bc3300.js"><link rel="prefetch" href="/assets/js/93.d090ab15.js"><link rel="prefetch" href="/assets/js/94.dc48f30a.js"><link rel="prefetch" href="/assets/js/95.d435fca1.js"><link rel="prefetch" href="/assets/js/96.e1cc38d5.js"><link rel="prefetch" href="/assets/js/97.0ee734ef.js"><link rel="prefetch" href="/assets/js/98.3d7e542e.js"><link rel="prefetch" href="/assets/js/99.f824935c.js"><link rel="prefetch" href="/assets/js/vendors~docsearch.51ef31dd.js"> |
| <link rel="stylesheet" href="/assets/css/0.styles.01bb0a6b.css"> |
| </head> |
| <body> |
| <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12z"></path></svg></div> <a href="/zh/" class="home-link router-link-active"><img src="/img/logo.png" alt=" " class="logo"></a> <div class="links"><div class="search-box"><input aria-label="Search" autocomplete="off" spellcheck="false" value=""> <!----></div> <nav class="nav-links can-hide"><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">文档</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/zh/UserGuide/Master/QuickStart/QuickStart.html" class="nav-link">latest</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.13.x/QuickStart/QuickStart.html" class="nav-link">v0.13.x</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.12.x/QuickStart/QuickStart.html" class="nav-link">v0.12.x</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.11.x/Get Started/QuickStart.html" class="nav-link">v0.11.x</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.10.x/Get Started/QuickStart.html" class="nav-link">v0.10.x</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.9.x/0-Get Started/1-QuickStart.html" class="nav-link">v0.9.x</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.8.x/0-Get Started/1-QuickStart.html" class="nav-link">v0.8.x</a></li></ul></div></div><div class="nav-item"><a href="https://cwiki.apache.org/confluence/pages/viewpage.action?pageId=177051872" class="nav-link external"> |
| 系统设计 |
| <!----></a></div><div class="nav-item"><a href="/zh/Download/" class="nav-link">下载</a></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">社区</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/zh/Community/About.html" class="nav-link">关于社区</a></li><li class="dropdown-item"><!----> <a href="https://cwiki.apache.org/confluence/display/iotdb" class="nav-link external"> |
| Wiki |
| <!----></a></li><li class="dropdown-item"><!----> <a href="/zh/Community/Community-Project Committers.html" class="nav-link">开发人员</a></li><li class="dropdown-item"><!----> <a href="/zh/Community/Community-Powered By.html" class="nav-link">技术支持</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">活动与报告</a></li><li class="dropdown-item"><!----> <a href="/zh/Community/Feedback.html" class="nav-link">交流与反馈</a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">开发</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/zh/Development/VoteRelease.html" class="nav-link">如何投票</a></li><li class="dropdown-item"><!----> <a href="/zh/Development/HowToCommit.html" class="nav-link">如何提交代码</a></li><li class="dropdown-item"><!----> <a href="/zh/Development/HowToJoin.html" class="nav-link">成为Contributor</a></li><li class="dropdown-item"><!----> <a href="/zh/Development/Committer.html" class="nav-link">成为Committer</a></li><li class="dropdown-item"><!----> <a href="/zh/Development/ContributeGuide.html" class="nav-link">项目开发指南</a></li><li class="dropdown-item"><!----> <a href="/zh/Development/HowtoContributeCode.html" class="nav-link">技术贡献指南</a></li><li class="dropdown-item"><!----> <a href="/zh/Development/format-changelist.html" class="nav-link">TsFile的更改列表</a></li><li class="dropdown-item"><!----> <a href="/zh/Development/rpc-changelist.html" class="nav-link">RPC变更清单</a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">ASF</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="http://www.apache.org/" class="nav-link external"> |
| 基金会 |
| <!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/licenses/" class="nav-link external"> |
| 许可证 |
| <!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/security/" class="nav-link external"> |
| 安全 |
| <!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/foundation/sponsorship.html" class="nav-link external"> |
| 赞助 |
| <!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/foundation/thanks.html" class="nav-link external"> |
| 致谢 |
| <!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/events/current-event" class="nav-link external"> |
| 活动 |
| <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">语言</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.13.x/Reference/Config-Manual.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.13.x/Reference/Config-Manual.html" aria-current="page" class="nav-link router-link-exact-active router-link-active">简体中文</a></li></ul></div></div> <a href="https://github.com/apache/iotdb.git" target="_blank" rel="noopener noreferrer" class="repo-link"> |
| GitHub |
| <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></a></nav></div></header> <div class="sidebar-mask"></div> <aside class="sidebar"><nav class="nav-links"><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">文档</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/zh/UserGuide/Master/QuickStart/QuickStart.html" class="nav-link">latest</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.13.x/QuickStart/QuickStart.html" class="nav-link">v0.13.x</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.12.x/QuickStart/QuickStart.html" class="nav-link">v0.12.x</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.11.x/Get Started/QuickStart.html" class="nav-link">v0.11.x</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.10.x/Get Started/QuickStart.html" class="nav-link">v0.10.x</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.9.x/0-Get Started/1-QuickStart.html" class="nav-link">v0.9.x</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.8.x/0-Get Started/1-QuickStart.html" class="nav-link">v0.8.x</a></li></ul></div></div><div class="nav-item"><a href="https://cwiki.apache.org/confluence/pages/viewpage.action?pageId=177051872" class="nav-link external"> |
| 系统设计 |
| <!----></a></div><div class="nav-item"><a href="/zh/Download/" class="nav-link">下载</a></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">社区</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/zh/Community/About.html" class="nav-link">关于社区</a></li><li class="dropdown-item"><!----> <a href="https://cwiki.apache.org/confluence/display/iotdb" class="nav-link external"> |
| Wiki |
| <!----></a></li><li class="dropdown-item"><!----> <a href="/zh/Community/Community-Project Committers.html" class="nav-link">开发人员</a></li><li class="dropdown-item"><!----> <a href="/zh/Community/Community-Powered By.html" class="nav-link">技术支持</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">活动与报告</a></li><li class="dropdown-item"><!----> <a href="/zh/Community/Feedback.html" class="nav-link">交流与反馈</a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">开发</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/zh/Development/VoteRelease.html" class="nav-link">如何投票</a></li><li class="dropdown-item"><!----> <a href="/zh/Development/HowToCommit.html" class="nav-link">如何提交代码</a></li><li class="dropdown-item"><!----> <a href="/zh/Development/HowToJoin.html" class="nav-link">成为Contributor</a></li><li class="dropdown-item"><!----> <a href="/zh/Development/Committer.html" class="nav-link">成为Committer</a></li><li class="dropdown-item"><!----> <a href="/zh/Development/ContributeGuide.html" class="nav-link">项目开发指南</a></li><li class="dropdown-item"><!----> <a href="/zh/Development/HowtoContributeCode.html" class="nav-link">技术贡献指南</a></li><li class="dropdown-item"><!----> <a href="/zh/Development/format-changelist.html" class="nav-link">TsFile的更改列表</a></li><li class="dropdown-item"><!----> <a href="/zh/Development/rpc-changelist.html" class="nav-link">RPC变更清单</a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">ASF</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="http://www.apache.org/" class="nav-link external"> |
| 基金会 |
| <!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/licenses/" class="nav-link external"> |
| 许可证 |
| <!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/security/" class="nav-link external"> |
| 安全 |
| <!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/foundation/sponsorship.html" class="nav-link external"> |
| 赞助 |
| <!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/foundation/thanks.html" class="nav-link external"> |
| 致谢 |
| <!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/events/current-event" class="nav-link external"> |
| 活动 |
| <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">语言</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.13.x/Reference/Config-Manual.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.13.x/Reference/Config-Manual.html" aria-current="page" class="nav-link router-link-exact-active router-link-active">简体中文</a></li></ul></div></div> <a href="https://github.com/apache/iotdb.git" target="_blank" rel="noopener noreferrer" class="repo-link"> |
| GitHub |
| <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></a></nav> <ul class="sidebar-links"><li><section class="sidebar-group depth-0"><p class="sidebar-heading"><span>IoTDB用户手册 (In progress)</span> <!----></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>IoTDB简介</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>快速上手</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>数据模式与概念</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>语法约定</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>应用编程接口</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>元数据操作</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>数据写入和删除</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>数据查询</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>数据处理</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>权限管理</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>运维工具</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>系统集成</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>集群搭建</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>UDF 资料库</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading open"><span>参考</span> <span class="arrow down"></span></p> <ul class="sidebar-links sidebar-group-items"><li><a href="/zh/UserGuide/V0.13.x/Reference/Config-Manual.html" aria-current="page" class="active sidebar-link">配置参数</a></li><li><a href="/zh/UserGuide/V0.13.x/Reference/Keywords.html" class="sidebar-link">关键字</a></li><li><a href="/zh/UserGuide/V0.13.x/Reference/Frequently-asked-questions.html" class="sidebar-link">常见问题</a></li><li><a href="/zh/UserGuide/V0.13.x/Reference/TSDB-Comparison.html" class="sidebar-link">时间序列数据库比较</a></li></ul></section></li></ul> </aside> <main class="page"> <div class="content content__default"><h1 id="配置参数"><a href="#配置参数" class="header-anchor">#</a> 配置参数</h1> <p>为方便 IoTDB Server 的配置与管理，IoTDB Server 为用户提供三种配置项，使得用户可以在启动服务或服务运行时对其进行配置。</p> <p>三种配置项的配置文件均位于 IoTDB 安装目录：<code>$IOTDB_HOME/conf</code>文件夹下，其中涉及 server 配置的共有 2 个文件，分别为：<code>iotdb-env.sh</code>, <code>iotdb-engine.properties</code> |
| 。用户可以通过更改其中的配置项对系统运行的相关配置项进行配置。</p> <p>配置文件的说明如下：</p> <ul><li><p><code>iotdb-env.sh</code>：环境配置项的默认配置文件。用户可以在文件中配置 JAVA-JVM 的相关系统配置项。</p></li> <li><p><code>iotdb-engine.properties</code>：IoTDB 引擎层系统配置项的默认配置文件。用户可以在文件中配置 IoTDB 引擎运行时的相关参数，如 JDBC 服务监听端口 (<code>rpc_port</code>)、overflow |
| 数据文件存储目录 (<code>overflow_data_dir</code>) 等。此外，用户可以在文件中配置 IoTDB 存储时 TsFile 文件的相关信息，如每次将内存中的数据写入到磁盘时的数据大小 (<code>group_size_in_byte</code>) |
| ，内存中每个列打一次包的大小 (<code>page_size_in_byte</code>) 等。</p></li></ul> <h2 id="热修改配置项"><a href="#热修改配置项" class="header-anchor">#</a> 热修改配置项</h2> <p>为方便用户使用，IoTDB Server 为用户提供了热修改功能，即在系统运行过程中修改<code>iotdb-engine.properties</code>中部分配置参数并即时应用到系统中。下面介绍的参数中，改后 生效方式为<code>触发生效</code> |
| 的均为支持热修改的配置参数。</p> <p>触发方式：客户端发送<code>load configuration</code>命令至 IoTDB |
| Server，客户端的使用方式详见 <a href="https://iotdb.apache.org/zh/UserGuide/Master/CLI/Command-Line-Interface.html" target="_blank" rel="noopener noreferrer">SQL 命令行终端（CLI）<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></a></p> <h2 id="环境配置项"><a href="#环境配置项" class="header-anchor">#</a> 环境配置项</h2> <p>环境配置项主要用于对 IoTDB Server 运行的 Java 环境相关参数进行配置，如 JVM 相关配置。IoTDB Server 启动时，此部分配置会被传给 JVM。用户可以通过查看 <code>iotdb-env.sh</code> |
| （或<code>iotdb-env.bat</code>) 文件查看环境配置项内容。详细配置项说明如下：</p> <ul><li>JMX_LOCAL</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">JMX_LOCAL</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">JMX 监控模式，配置为 true 表示仅允许本地监控，设置为 false 的时候表示允许远程监控。如想在本地通过网络连接JMX Service，比如nodeTool.sh会尝试连接127.0.0.1:31999，请将JMX_LOCAL设置为false。</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">枚举 String : “true”, “false”</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">true</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>JMX_PORT</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">JMX_PORT</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">JMX 监听端口。请确认该端口是不是系统保留端口并且未被占用。</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Short Int: [0,65535]</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">31999</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>MAX_HEAP_SIZE</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">MAX_HEAP_SIZE</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">IoTDB 启动时能使用的最大堆内存大小。</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">String</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">取决于操作系统和机器配置。在 Linux 或 MacOS 系统下默认为机器内存的四分之一。在 Windows 系统下，32 位系统的默认值是 512M，64 位系统默认值是 2G。</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>HEAP_NEWSIZE</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">HEAP_NEWSIZE</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">IoTDB 启动时能使用的最小堆内存大小。</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">String</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">取决于操作系统和机器配置。在 Linux 或 MacOS 系统下默认值为机器 CPU 核数乘以 100M 的值与 MAX_HEAP_SIZE 四分之一这二者的最小值。在 Windows 系统下，32 位系统的默认值是 512M，64 位系统默认值是 2G。</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <h2 id="系统配置项"><a href="#系统配置项" class="header-anchor">#</a> 系统配置项</h2> <p>系统配置项是 IoTDB Server 运行的核心配置，它主要用于设置 IoTDB Server 文件层和引擎层的参数，便于用户根据自身需求调整 Server |
| 的相关配置，以达到较好的性能表现。系统配置项可分为两大模块：文件层配置项和引擎层配置项。用户可以通过<code>iotdb-engine.properties</code>, 文件查看和修改两种配置项的内容。在 0.7.0 版本中字符串类型的配置项大小写敏感。</p> <h3 id="rpc配置"><a href="#rpc配置" class="header-anchor">#</a> RPC配置</h3> <ul><li>rpc_address</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">rpc_address</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">rpc地址</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">String</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">0.0.0.0</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>rpc_port</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">rpc_port</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">jdbc 服务监听端口。请确认该端口不是系统保留端口并且未被占用。</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Short Int : [0,65535]</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">6667</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>rpc_thrift_compression_enable</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">rpc_thrift_compression_enable</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">是否启用 thrift 的压缩机制。</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Boolean</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">false</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>rpc_advanced_compression_enable</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">rpc_advanced_compression_enable</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">是否启用 thrift 的自定制压缩机制。</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Boolean</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">false</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>rpc_max_concurrent_client_num</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">rpc_max_concurrent_client_num</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">最大连接数。</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Short Int : [0,65535]</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">65535</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>thrift_max_frame_size</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">thrift_max_frame_size</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">RPC 请求/响应的最大字节数</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">long</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">536870912 （默认值512MB，应大于等于 512 * 1024 * 1024)</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>thrift_init_buffer_size</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">thrift_init_buffer_size</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">字节数</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">long</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">1024</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <h3 id="influxdb-协议适配器配置"><a href="#influxdb-协议适配器配置" class="header-anchor">#</a> InfluxDB 协议适配器配置</h3> <ul><li>enable_influxdb_rpc_service</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">enable_influxdb_rpc_service</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">是否开启InfluxDB RPC service</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Boolean</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">true</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>influxdb_rpc_port</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">influxdb_rpc_port</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">influxdb rpc service占用端口</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">INT32</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">8086</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <h3 id="写前日志配置"><a href="#写前日志配置" class="header-anchor">#</a> 写前日志配置</h3> <ul><li>enable_wal</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">enable_wal</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">是否开启写前日志，默认值为 true 表示开启，配置成 false 表示关闭</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Boolean</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">true</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">触发生效</td></tr></tbody></table> <ul><li>enable_discard_out_of_order_data</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">enable_discard_out_of_order_data</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">是否丢弃乱序数据，默认值为 false 表示关闭</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Boolean</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">false</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">触发生效</td></tr></tbody></table> <ul><li>flush_wal_threshold</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">flush_wal_threshold</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">写前日志的条数达到该值之后，持久化到磁盘，有可能丢失至多 flush_wal_threshold 个操作</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Int32</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">10000</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">触发生效</td></tr></tbody></table> <ul><li>force_wal_period_in_ms</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">force_wal_period_in_ms</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">写前日志定期持久化到磁盘的周期，单位毫秒，有可能丢失至多 force_wal_period_in_ms 毫秒的操作。</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Int32</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">100</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">触发生效</td></tr></tbody></table> <h3 id="目录配置"><a href="#目录配置" class="header-anchor">#</a> 目录配置</h3> <ul><li>system_dir</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">system_dir</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">IoTDB 元数据存储路径，默认存放在和 sbin 目录同级的 data 目录下。相对路径的起始目录与操作系统相关，建议使用绝对路径。</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">String</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">data/system（Windows：data\system）</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">触发生效</td></tr></tbody></table> <ul><li>data_dirs</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">data_dirs</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">IoTDB 数据存储路径，默认存放在和 sbin 目录同级的 data 目录下。相对路径的起始目录与操作系统相关，建议使用绝对路径。</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">String</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">data/data（Windows：data\data）</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">触发生效</td></tr></tbody></table> <ul><li>multi_dir_strategy</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">multi_dir_strategy</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">IoTDB 在 tsfile_dir 中为 TsFile 选择目录时采用的策略。可使用简单类名或类名全称。系统提供以下三种策略：<br>1. SequenceStrategy：IoTDB 按顺序从 tsfile_dir 中选择目录，依次遍历 tsfile_dir 中的所有目录，并不断轮循；<br>2. MaxDiskUsableSpaceFirstStrategy：IoTDB 优先选择 tsfile_dir 中对应磁盘空余空间最大的目录；<br>3. MinFolderOccupiedSpaceFirstStrategy：IoTDB 优先选择 tsfile_dir 中已使用空间最小的目录；<br>4. UserDfineStrategyPackage（用户自定义策略）<br>您可以通过以下方法完成用户自定义策略：<br>1. 继承 cn.edu.tsinghua.iotdb.conf.directories.strategy.DirectoryStrategy 类并实现自身的 Strategy 方法；<br>2. 将实现的类的完整类名（包名加类名，UserDfineStrategyPackage）填写到该配置项；<br>3. 将该类 jar 包添加到工程中。</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">String</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">MaxDiskUsableSpaceFirstStrategy</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">触发生效</td></tr></tbody></table> <ul><li>wal_dir</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">wal_dir</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">IoTDB 写前日志存储路径，默认存放在和 sbin 目录同级的 data 目录下。相对路径的起始目录与操作系统相关，建议使用绝对路径。</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">String</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">data/wal（Windows：data\wal）</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">触发生效</td></tr></tbody></table> <ul><li>tsfile_storage_fs</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">tsfile_storage_fs</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">Tsfile 和相关数据文件的存储文件系统。目前支持 LOCAL（本地文件系统）和 HDFS 两种</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">String</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">LOCAL</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">仅允许在第一次启动服务前修改</td></tr></tbody></table> <ul><li>core_site_path</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">core_site_path</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">在 Tsfile 和相关数据文件存储到 HDFS 的情况下用于配置 core-site.xml 的绝对路径</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">String</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">/etc/hadoop/conf/core-site.xml</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>hdfs_site_path</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">hdfs_site_path</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">在 Tsfile 和相关数据文件存储到 HDFS 的情况下用于配置 hdfs-site.xml 的绝对路径</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">String</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">/etc/hadoop/conf/hdfs-site.xml</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>hdfs_ip</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">hdfs_ip</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">在 Tsfile 和相关数据文件存储到 HDFS 的情况下用于配置 HDFS 的 IP。<strong>如果配置了多于 1 个 hdfs_ip，则表明启用了 Hadoop HA</strong></td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">String</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">localhost</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>hdfs_port</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">hdfs_port</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">在 Tsfile 和相关数据文件存储到 HDFS 的情况下用于配置 HDFS 的端口</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">String</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">9000</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>dfs_nameservices</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">hdfs_nameservices</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">在使用 Hadoop HA 的情况下用于配置 HDFS 的 nameservices</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">String</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">hdfsnamespace</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>dfs_ha_namenodes</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">hdfs_ha_namenodes</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">在使用 Hadoop HA 的情况下用于配置 HDFS 的 nameservices 下的 namenodes</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">String</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">nn1,nn2</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>dfs_ha_automatic_failover_enabled</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">dfs_ha_automatic_failover_enabled</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">在使用 Hadoop HA 的情况下用于配置是否使用失败自动切换</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Boolean</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">true</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>dfs_client_failover_proxy_provider</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">dfs_client_failover_proxy_provider</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">在使用 Hadoop HA 且使用失败自动切换的情况下配置失败自动切换的实现方式</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">String</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">org.apache.hadoop.hdfs.server.namenode.ha.ConfiguredFailoverProxyProvider</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>hdfs_use_kerberos</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">hdfs_use_kerberos</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">是否使用 kerberos 验证访问 hdfs</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">String</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">false</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>kerberos_keytab_file_path</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">kerberos_keytab_file_path</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">kerberos keytab file 的完整路径</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">String</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">/path</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>kerberos_principal</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">kerberos_principal</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">Kerberos 认证原则</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">String</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">your principal</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <h3 id="存储引擎配置"><a href="#存储引擎配置" class="header-anchor">#</a> 存储引擎配置</h3> <ul><li>timestamp_precision</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">timestamp_precision</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">时间戳精度，支持 ms、us、ns</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">String</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">ms</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">触发生效</td></tr></tbody></table> <ul><li>default_ttl</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">default_ttl</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">数据保留时间，会丢弃 now()-default_ttl 之前的数据，单位 ms</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">long</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">36000000</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>wal_buffer_size</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">wal_buffer_size</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">写前日志的 buffer 大小</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Int32</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">16777216</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">触发生效</td></tr></tbody></table> <ul><li>seq_tsfile_size</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">seq_tsfile_size</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">每个顺序tsfile大小,单位：byte</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Int32</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">1</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>unseq_tsfile_size</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">unseq_tsfile_size</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">每个无序 tsfile 大小,单位：byte</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Int32</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">1</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>mlog_buffer_size</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">mlog_buffer_size</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">mlog 的 buffer 大小</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Int32</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">1048576</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">触发生效</td></tr></tbody></table> <ul><li>sync_mlog_period_in_ms</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">sync_mlog_period_in_ms</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">mlog定期刷新到磁盘的周期，单位毫秒。如果该参数为0，则表示每次对元数据的更新操作都会被立即写到磁盘上。</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Int64</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">100</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>memtable_size_threshold</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">memtable_size_threshold</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">内存缓冲区 memtable 阈值</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Long</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">1073741824</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">enable_mem_control 为 false 时生效、重启服务生效</td></tr></tbody></table> <ul><li>enable_timed_flush_seq_memtable</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">enable_timed_flush_seq_memtable</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">是否开启定时刷盘顺序 memtable</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Boolean</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">false</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">触发生效</td></tr></tbody></table> <ul><li>seq_memtable_flush_interval_in_ms</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">seq_memtable_flush_interval_in_ms</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">当 memTable 的创建时间小于当前时间减去该值时，该 memtable 需要被刷盘</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Int32</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">3600000</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">触发生效</td></tr></tbody></table> <ul><li>seq_memtable_flush_check_interval_in_ms</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">seq_memtable_flush_check_interval_in_ms</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">检查顺序 memtable 是否需要刷盘的时间间隔</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Int32</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">600000</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">触发生效</td></tr></tbody></table> <ul><li>enable_timed_flush_unseq_memtable</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">enable_timed_flush_unseq_memtable</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">是否开启定时刷新乱序 memtable</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Boolean</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">true</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">触发生效</td></tr></tbody></table> <ul><li>unseq_memtable_flush_interval_in_ms</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">unseq_memtable_flush_interval_in_ms</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">当 memTable 的创建时间小于当前时间减去该值时，该 memtable 需要被刷盘</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Int32</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">3600000</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">触发生效</td></tr></tbody></table> <ul><li>unseq_memtable_flush_check_interval_in_ms</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">unseq_memtable_flush_check_interval_in_ms</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">检查乱序 memtable 是否需要刷盘的时间间隔</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Int32</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">600000</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">触发生效</td></tr></tbody></table> <ul><li>enable_timed_close_tsfile</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">enable_timed_close_tsfile</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">是否开启定时关闭 tsfile</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Boolean</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">true</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">触发生效</td></tr></tbody></table> <ul><li>close_tsfile_interval_after_flushing_in_ms</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">close_tsfile_interval_after_flushing_in_ms</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">当 tsfile 的上一个 memtable 刷盘时间小于当前时间减去该值且当前工作 memtable 为空时， 该 tsfile 需要被关闭</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Int32</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">3600000</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">触发生效</td></tr></tbody></table> <ul><li>close_tsfile_check_interval_in_ms</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">close_tsfile_check_interval_in_ms</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">检查 tsfile 是否需要关闭的时间间隔</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Int32</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">600000</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">触发生效</td></tr></tbody></table> <ul><li>avg_series_point_number_threshold</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">avg_series_point_number_threshold</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">内存中平均每个时间序列点数最大值，达到触发 flush</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Int32</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">100000</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>concurrent_flush_thread</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">concurrent_flush_thread</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">当 IoTDB 将内存中的数据写入磁盘时，最多启动多少个线程来执行该操作。如果该值小于等于 0，那么采用机器所安装的 CPU 核的数量。默认值为 0。</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Int32</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">0</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>concurrent_query_thread</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">concurrent_query_thread</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">当 IoTDB 对内存中的数据进行查询时，最多启动多少个线程来执行该操作。如果该值小于等于 0，那么采用机器所安装的 CPU 核的数量。默认值为 16。</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Int32</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">16</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>concurrent_sub_rawQuery_thread</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">concurrent_sub_rawQuery_thread</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">原始数据查询时，最多启动多少个线程来执行该操作。如果设置小于等于 0，会采用机器 CPU 核数。</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Int32</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">8</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>raw_query_blocking_queue_capacity</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">raw_query_blocking_queue_capacity</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">原始数据查询中，读任务的阻塞队列长度。默认值为 5。</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Int32</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">5</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>chunk_buffer_pool_enable</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">chunk_buffer_pool_enable</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">在将 memtable 序列化为内存中的字节时，是否开启由 IoTDB 而不是 JVM 接管内存管理，默认关闭。</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Boolean</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">false</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>batch_size</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">batch_size</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">服务器中每次迭代的数据量（数据条目，即不同时间戳的数量。）</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Int32</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">100000</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>tag_attribute_total_size</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">tag_attribute_total_size</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">每个时间序列标签和属性的最大持久化字节数</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Int32</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">700</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">仅允许在第一次启动服务前修改</td></tr></tbody></table> <ul><li>tag_attribute_flush_interval</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">tag_attribute_flush_interval</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">标签和属性记录的间隔数，达到此记录数量时将强制刷盘</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Int32</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">1000</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">仅允许在第一次启动服务前修改</td></tr></tbody></table> <ul><li>enable_partial_insert</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">enable_partial_insert</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">在一次 insert 请求中，如果部分测点写入失败，是否继续写入其他测点。</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Boolean</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">true</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>enable_mtree_snapshot</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">enable_mtree_snapshot</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">是否启用 MTree snapshot。 从 0.11.0 开始默认为 false。</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Boolean</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">false</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>mtree_snapshot_interval</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">mtree_snapshot_interval</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">创建 MTree snapshot 时至少累积的 mlog 日志行数。单位为日志行数。</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Int32</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">100000</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>mtree_snapshot_threhold_time</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">mtree_snapshot_threhold_time</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">MTree 修改的阈值间隔时间，若最后一次修改时间小于这个阈值，则不会创建 MTree snapshot。 单位：秒。 默认值：1 小时（3600 秒）</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Int32</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">3600</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <h3 id="内存控制配置"><a href="#内存控制配置" class="header-anchor">#</a> 内存控制配置</h3> <ul><li>enable_mem_control</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">enable_mem_control</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">开启内存控制，避免爆内存</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Boolean</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">true</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>write_read_schema_free_memory_proportion</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">write_read_schema_free_memory_proportion</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">读写内存分配比率。 参数形式为a : b : c : d，其中a、b、c、d为整数。如“1:1:1:1”、“6:2:1:1”，如果你的写入压力大而读取压力小，请调整为“6:1:1:2”</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">String</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">4:3:1:2</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>primary_array_size</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">primary_array_size</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">数组池中的原始数组大小（每个数组的长度）</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Int32</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">32</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>flush_proportion</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">flush_proportion</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">调用flush disk的写入内存比例，默认0.4,若有极高的写入负载力（比如batch=1000），可以设置为低于默认值，比如0.2</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Double</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">0.4</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>time_index_memory_proportion</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">time_index_memory_proportion</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">分配给读 timeIndex 的内存占比</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Double</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">0.2</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>buffered_arrays_memory_proportion</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">buffered_arrays_memory_proportion</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">为缓冲数组分配的写入内存比例，默认为0.6</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Double</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">0.6</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>reject_proportion</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">reject_proportion</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">拒绝插入的写入内存比例，默认0.8，若有极高的写入负载力（比如batch=1000）并且物理内存足够大，它可以设置为高于默认值，如0.9</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Double</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">0.8</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>storage_group_report_threshold</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">storage_group_report_threshold</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">如果存储组的内存（以字节byte为单位）增加超过此阈值，则向系统报告。默认值为16MB</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Int32</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">16777216</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>max_deduplicated_path_num</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">max_deduplicated_path_num</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">在一次查询中，允许最大重复路径的数据量，这只是一个建议值，实际限制是这个默认值和计算值的之间</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Int32</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">1000</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>check_period_when_insert_blocked</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">check_period_when_insert_blocked</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">当插入被拒绝时，等待时间（以毫秒为单位）去再次检查系统，默认为50。若插入被拒绝，读取负载低，可以设置大一些。</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Int32</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">50</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>max_waiting_time_when_insert_blocked</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">max_waiting_time_when_insert_blocked</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">当插入的等待时间（以毫秒为单位）超过此值时，抛出异常。默认为10000。若插入被拒绝，读取负载低，可以设置大一些。</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Int32</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">10000</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>estimated_series_size</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">estimated_series_size</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">在Mtree中一个时间序列的评估元数据大小（以字节byte为单位）。</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Int32</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">300</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>io_task_queue_size_for_flushing</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">io_task_queue_size_for_flushing</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">ioTaskQueue 的大小。默认值为10。</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Int32</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">10</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>schema_query_fetch_size</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">schema_query_fetch_size</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">默认的一次元数据查询返回的最大条目数，例如show timeseries。</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Int32</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">10000000</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <h3 id="升级配置"><a href="#升级配置" class="header-anchor">#</a> 升级配置</h3> <ul><li>update_thread_num</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">update_thread_num</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">当存在旧版本（V0.9.x/v1）数据时，会设置多少线程来执行升级任务，默认为1。版本小于等于V0.X时设置为1。</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Int32</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">1</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <h3 id="查询配置"><a href="#查询配置" class="header-anchor">#</a> 查询配置</h3> <ul><li>default_fill_interval</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">default_fill_interval</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">填充查询中使用的默认时间段，默认-1表示无限过去时间，以毫秒ms为单位</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Int32</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">-1</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>group_by_fill_cache_size_in_mb</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">group_by_fill_cache_size_in_mb</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">填充查询中使用的缓存大小，单位是MB</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Float</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">1.0</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <h3 id="合并配置"><a href="#合并配置" class="header-anchor">#</a> 合并配置</h3> <ul><li>enable_seq_space_compaction</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">enable_seq_space_compaction</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">顺序空间内合并，开启顺序文件之间的合并</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Boolean</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">true</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>enable_unseq_space_compaction</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">enable_unseq_space_compaction</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">乱序空间内合并，开启乱序文件之间的合并</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Boolean</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">false</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>enable_cross_space_compaction</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">enable_cross_space_compaction</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">跨空间合并，开启将乱序文件合并到顺序文件中</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Boolean</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">true</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>cross_compaction_strategy</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">cross_compaction_strategy</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">跨空间合并的策略</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">String</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">rewrite_compaction</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>inner_compaction_strategy</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">cross_compaction_strategy</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">空间内合并的策略</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">String</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">size_tiered_compaction</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>compaction_priority</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">compaction_priority</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">合并时的优先级，BALANCE 各种合并平等，INNER_CROSS 优先进行顺序文件和顺序文件或乱序文件和乱序文件的合并，CROSS_INNER 优先将乱序文件合并到顺序文件中</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">String</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">BALANCE</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>target_compaction_file_size</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">target_compaction_file_size</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">空间内合并的目标文件大小</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Int64</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">1073741824</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>target_chunk_size</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">target_chunk_size</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">合并时 Chunk 的目标大小</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Int64</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">1048576</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>target_chunk_point_num</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">target_chunk_point_num</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">合并时 Chunk 的目标点数</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Int32</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">100000</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>chunk_size_lower_bound_in_compaction</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">chunk_size_lower_bound_in_compaction</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">合并时源 Chunk 的大小小于这个值，将被解开成点进行合并</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Int64</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">128</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>chunk_point_num_lower_bound_in_compaction</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">chunk_point_num_lower_bound_in_compaction</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">合并时源 Chunk 的点数小于这个值，将被解开成点进行合并</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Int32</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">100</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>max_inner_compaction_candidate_file_num</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">max_inner_compaction_candidate_file_num</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">空间内合并中一次合并最多参与的文件数</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Int32</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">30</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>max_cross_compaction_candidate_file_num</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">max_cross_compaction_candidate_file_num</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">跨空间合并中一次合并最多参与的文件数</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Int32</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">1000</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>cross_compaction_file_selection_time_budget</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">cross_compaction_file_selection_time_budget</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">若一个合并文件选择运行的时间超过这个时间，它将结束，并且当前的文件合并选择将用作为最终选择。当时间小于0 时，则表示时间是无边界的。单位：ms。</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Int32</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">30000</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>cross_compaction_memory_budget</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">cross_compaction_memory_budget</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">一个合并任务可以使用多少内存（以字节为单位），默认为最大JVM内存的10%。这只是一个粗略的估计，从一个比较小的值开始，避免OOM。每个新的合并线程可能会占用这样的内存，所以merge_thread_num * merge_memory_budget是合并的预估总内存。</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Int32</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">2147483648</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>concurrent_compaction_thread</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">concurrent_compaction_thread</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">执行合并任务的线程数目</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Int32</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">10</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>compaction_schedule_interval_in_ms</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">compaction_schedule_interval_in_ms</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">合并调度的时间间隔</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Int64</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">60000</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>compaction_submission_interval_in_ms</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">compaction_submission_interval_in_ms</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">合并任务提交的间隔</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Int64</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">60000</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>compaction_write_throughput_mb_per_sec</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">compaction_write_throughput_mb_per_sec</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">每秒可达到的写入吞吐量合并限制。</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Int32</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">16</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <h3 id="插入配置"><a href="#插入配置" class="header-anchor">#</a> 插入配置</h3> <ul><li>insert_multi_tablet_enable_multithreading_column_threshold</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">insert_multi_tablet_enable_multithreading_column_threshold</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">插入时启用多线程插入列数的阈值</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Int32</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">10</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>query_timeout_threshold</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">query_timeout_threshold</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">查询的最大执行时间。单位：毫秒。</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Int32</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">60000</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <h3 id="元数据缓存配置"><a href="#元数据缓存配置" class="header-anchor">#</a> 元数据缓存配置</h3> <ul><li>meta_data_cache_enable</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">meta_data_cache_enable</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">是否缓存元数据Chunk Metadata 和 TimeSeries Metadata）。</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Boolean</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">true</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>chunk_timeseriesmeta_free_memory_proportion</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">chunk_timeseriesmeta_free_memory_proportion</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">读取内存分配比例，BloomFilterCache、ChunkCache、TimeseriesMetadataCache、数据集查询的内存和可用内存的查询。参数形式为a : b : c : d : e，其中a、b、c、d、e为整数。 例如“1 : 1 : 1 : 1 : 1” ，“1 : 100 : 200 : 300 : 400” 。</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">String</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">1 : 100 : 200 : 300 : 400</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>metadata_node_cache_size</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">metadata_node_cache_size</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">Manager的缓存大小。所有路径检查和将具有相应路径的MManager中的TSDataType的缓存，都将被用作提高写入速度。</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Int32</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">300000</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <h3 id="最新点缓存配置"><a href="#最新点缓存配置" class="header-anchor">#</a> 最新点缓存配置</h3> <ul><li>enable_last_stat</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">enable_last_cache</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">是否开启最新点缓存</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Boolean</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">true</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <h3 id="统计监控器配置"><a href="#统计监控器配置" class="header-anchor">#</a> 统计监控器配置</h3> <ul><li>enable_stat_monitor</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">enable_stat_monitor</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">选择是否启动后台统计功能</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Boolean</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">false</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>enable_monitor_series_write</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">enable_monitor_series_write</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">是否开启写入服务监控的时间序列</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Boolean</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">false</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <h3 id="wal-直接缓冲池配置"><a href="#wal-直接缓冲池配置" class="header-anchor">#</a> WAL 直接缓冲池配置</h3> <ul><li>wal_pool_trim_interval_ms</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">wal_pool_trim_interval_ms</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">缩短日志池间隔时间，单位：毫秒ms</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Int32</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">10000</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>max_wal_bytebuffer_num_for_each_partition</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">max_wal_bytebuffer_num_for_each_partition</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">每个时间分区可以分配的最大日志字节缓冲区数，如果没有乱序数据可以设置为4。应该是偶数</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Int32</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">6</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <h3 id="外部排序配置"><a href="#外部排序配置" class="header-anchor">#</a> 外部排序配置</h3> <ul><li>enable_external_sort</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">enable_external_sort</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">是否开启外部排序功能</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Boolean</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">true</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>external_sort_threshold</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">external_sort_threshold</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">单个时间序列的最大同时块读取数。若同时chunk读取的数量大于external_sort_threshold，则使用外部排序。当external_sort_threshold增加时，内存中同时排序的chunk数量可能会增加，这会占用更多的内存；external_sort_threshold 减小时，触发外部排序会增加耗时。</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Int32</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">1000</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <h3 id="同步服务器配置"><a href="#同步服务器配置" class="header-anchor">#</a> 同步服务器配置</h3> <ul><li>is_sync_enable</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">is_sync_enable</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">是否开启同步服务功能</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Boolean</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">false</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>sync_server_port</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">sync_server_port</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">同步服务器端口进行监听</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Int32</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">5555</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>ip_white_list</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">ip_white_list</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">同步客户端的白名单。请用网段形式表示IP范围，例如：192.168.0.0/16，若有多个IP段，请用逗号隔开，默认是允许所有IP同步</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">String</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">0.0.0.0/0</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <h3 id="性能统计配置"><a href="#性能统计配置" class="header-anchor">#</a> 性能统计配置</h3> <ul><li>enable_performance_stat</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">enable_performance_stat</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">是否启用子模块的性能状态</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Boolean</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">true</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>tracing_dir</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">tracing_dir</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">取消注释用以下字段来配置 tracing 根目录。</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">String</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">data/tracing(Windows:data\tracing)</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <h3 id="水印模块配置"><a href="#水印模块配置" class="header-anchor">#</a> 水印模块配置</h3> <ul><li>watermark_module_opened</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">watermark_module_opened</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">是否开启水印水印嵌入功能</td></tr> <tr><td style="text-align:center;">取值</td> <td style="text-align:left;">true or false</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">false</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>watermark_secret_key</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">watermark_secret_key</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">水印嵌入功能秘钥</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">String</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">IoTDB * 2019@Beijing</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>watermark_bit_string</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">watermark_bit_string</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">水印比特字符串</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Int32</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">100101110100</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>watermark_method</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">watermark_method</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">水印嵌入方法</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">String</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">GroupBasedLSBMethod(embed_row_cycle=2,embed_lsb_num=5)</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <h3 id="数据类型自动推断"><a href="#数据类型自动推断" class="header-anchor">#</a> 数据类型自动推断</h3> <ul><li>enable_auto_create_schema</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">enable_auto_create_schema</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">当写入的序列不存在时，是否自动创建序列</td></tr> <tr><td style="text-align:center;">取值</td> <td style="text-align:left;">true or false</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">true</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>default_storage_group_level</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">default_storage_group_level</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">当写入的数据不存在且自动创建序列时，若需要创建相应的存储组，将序列路径的哪一层当做存储组。例如，如果我们接到一个新序列 root.sg0.d1.s2, 并且 level=1， 那么 root.sg0 被视为存储组（因为 root 是 level 0 层）</td></tr> <tr><td style="text-align:center;">取值</td> <td style="text-align:left;">Int32</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">1</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>boolean_string_infer_type</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">boolean_string_infer_type</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">"true" 或者 "false" 字符串被推断的数据类型</td></tr> <tr><td style="text-align:center;">取值</td> <td style="text-align:left;">BOOLEAN 或者 TEXT</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">BOOLEAN</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>integer_string_infer_type</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">integer_string_infer_type</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">整型字符串推断的数据类型</td></tr> <tr><td style="text-align:center;">取值</td> <td style="text-align:left;">INT32, INT64, FLOAT, DOUBLE, TEXT</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">FLOAT</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>long_string_infer_type</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">long_string_infer_type</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">大于 2 ^ 24 的整形字符串被推断的数据类型</td></tr> <tr><td style="text-align:center;">取值</td> <td style="text-align:left;">DOUBLE, FLOAT or TEXT</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">DOUBLE</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>floating_string_infer_type</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">floating_string_infer_type</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">"6.7"等字符串被推断的数据类型</td></tr> <tr><td style="text-align:center;">取值</td> <td style="text-align:left;">DOUBLE, FLOAT or TEXT</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">FLOAT</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>nan_string_infer_type</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">nan_string_infer_type</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">"NaN" 字符串被推断的数据类型</td></tr> <tr><td style="text-align:center;">取值</td> <td style="text-align:left;">DOUBLE, FLOAT or TEXT</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">DOUBLE</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>default_boolean_encoding</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">default_boolean_encoding</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">BOOLEAN 类型编码格式</td></tr> <tr><td style="text-align:center;">取值</td> <td style="text-align:left;">PLAIN, RLE</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">RLE</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>default_int32_encoding</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">default_int32_encoding</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">int32 类型编码格式</td></tr> <tr><td style="text-align:center;">取值</td> <td style="text-align:left;">PLAIN, RLE, TS_2DIFF, REGULAR, GORILLA</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">RLE</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>default_int64_encoding</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">default_int64_encoding</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">int64 类型编码格式</td></tr> <tr><td style="text-align:center;">取值</td> <td style="text-align:left;">PLAIN, RLE, TS_2DIFF, REGULAR, GORILLA</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">RLE</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>default_float_encoding</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">default_float_encoding</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">float 类型编码格式</td></tr> <tr><td style="text-align:center;">取值</td> <td style="text-align:left;">PLAIN, RLE, TS_2DIFF, GORILLA</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">GORILLA</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>default_double_encoding</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">default_double_encoding</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">double 类型编码格式</td></tr> <tr><td style="text-align:center;">取值</td> <td style="text-align:left;">PLAIN, RLE, TS_2DIFF, GORILLA</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">GORILLA</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>default_text_encoding</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">default_text_encoding</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">text 类型编码格式</td></tr> <tr><td style="text-align:center;">取值</td> <td style="text-align:left;">PLAIN</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">PLAIN</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <h3 id="文件层配置"><a href="#文件层配置" class="header-anchor">#</a> 文件层配置</h3> <ul><li>group_size_in_byte</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">group_size_in_byte</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">每次将内存中的数据写入到磁盘时的最大写入字节数</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Int32</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">134217728</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">触发生效</td></tr></tbody></table> <ul><li>page_size_in_byte</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">page_size_in_byte</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">内存中每个列写出时，写成的单页最大的大小，单位为字节</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Int32</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">65536</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">触发生效</td></tr></tbody></table> <ul><li>max_number_of_points_in_page</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">max_number_of_points_in_page</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">一个页中最多包含的数据点（时间戳-值的二元组）数量</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Int32</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">1048576</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">触发生效</td></tr></tbody></table> <ul><li>max_string_length</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">max_string_length</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">针对字符串类型的数据，单个字符串最大长度，单位为字符</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Int32</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">128</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">触发生效</td></tr></tbody></table> <ul><li>float_precision</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">float_precision</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">浮点数精度，为小数点后数字的位数</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Int32</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">默认为 2 位。注意：32 位浮点数的十进制精度为 7 位，64 位浮点数的十进制精度为 15 位。如果设置超过机器精度将没有实际意义。</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">触发生效</td></tr></tbody></table> <ul><li>time_encoder</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">time_encoder</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">时间列编码方式</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">枚举 String: “TS_2DIFF”,“PLAIN”,“RLE”</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">TS_2DIFF</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">触发生效</td></tr></tbody></table> <ul><li>value_encoder</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">value_encoder</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">value 列编码方式</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">枚举 String: “TS_2DIFF”,“PLAIN”,“RLE”</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">PLAIN</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">触发生效</td></tr></tbody></table> <ul><li>compressor</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">compressor</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">数据压缩方法</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">枚举 String : “UNCOMPRESSED”, “SNAPPY”, “LZ4”</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">SNAPPY</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">触发生效</td></tr></tbody></table> <ul><li>max_degree_of_index_node</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">max_degree_of_index_node</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">元数据索引树的最大度（即每个节点的最大子节点个数）。</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Int32</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">256</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">仅允许在第一次启动服务前修改</td></tr></tbody></table> <ul><li>frequency_interval_in_minute</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">frequency_interval_in_minute</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">计算查询频率的时间间隔（以分钟为单位）。</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Int32</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">1</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">触发生效</td></tr></tbody></table> <ul><li>slow_query_threshold</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">slow_query_threshold</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">慢查询的时间成本（毫秒ms）阈值。</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Int32</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">5000</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">触发生效</td></tr></tbody></table> <h3 id="mqtt代理配置"><a href="#mqtt代理配置" class="header-anchor">#</a> MQTT代理配置</h3> <ul><li>enable_mqtt_service</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">enable_mqtt_service。</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">是否开启MQTT服务</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Boolean</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">false</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">触发生效</td></tr></tbody></table> <ul><li>mqtt_host</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">mqtt_host</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">MQTT服务绑定的host。</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">String</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">0.0.0.0</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">触发生效</td></tr></tbody></table> <ul><li>mqtt_port</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">mqtt_port</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">MQTT服务绑定的port。</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Int32</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">1883</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">触发生效</td></tr></tbody></table> <ul><li>mqtt_handler_pool_size</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">mqtt_handler_pool_size</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">用于处理MQTT消息的处理程序池大小。</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Int32</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">1</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">触发生效</td></tr></tbody></table> <ul><li>mqtt_payload_formatter</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">mqtt_payload_formatter</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">MQTT消息有效负载格式化程序。</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">String</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">json</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">触发生效</td></tr></tbody></table> <ul><li>mqtt_max_message_size</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">mqtt_max_message_size</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">MQTT消息的最大长度（以字节为单位）。</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Int32</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">1048576</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">触发生效</td></tr></tbody></table> <h3 id="授权配置"><a href="#授权配置" class="header-anchor">#</a> 授权配置</h3> <ul><li>authorizer_provider_class</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">authorizer_provider_class</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">权限服务的类名</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">String</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">org.apache.iotdb.db.auth.authorizer.LocalFileAuthorizer</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr> <tr><td style="text-align:center;">其他可选值</td> <td style="text-align:left;">org.apache.iotdb.db.auth.authorizer.OpenIdAuthorizer</td></tr></tbody></table> <ul><li>openID_url</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">openID_url</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">openID 服务器地址 （当 OpenIdAuthorizer 被启用时必须设定）</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">String（一个 http 地址）</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">无</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <h3 id="udf查询配置"><a href="#udf查询配置" class="header-anchor">#</a> UDF查询配置</h3> <ul><li>udf_initial_byte_array_length_for_memory_control</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">udf_initial_byte_array_length_for_memory_control</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">用于评估UDF查询中文本字段的内存使用情况。建议将此值设置为略大于所有文本的平均长度记录。</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Int32</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">48</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>udf_memory_budget_in_mb</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">udf_memory_budget_in_mb</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">在一个UDF查询中使用多少内存（以 MB 为单位）。上限为已分配内存的 20% 用于读取。</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Float</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">30.0</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>udf_reader_transformer_collector_memory_proportion</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">udf_reader_transformer_collector_memory_proportion</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">UDF内存分配比例。参数形式为a : b : c，其中a、b、c为整数。</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">String</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">1:1:1</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>udf_root_dir</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">udf_root_dir</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">取消注释用以下字段来配置udf根目录。</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">String</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">ext/udf(Windows:ext\udf)</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <h3 id="索引配置"><a href="#索引配置" class="header-anchor">#</a> 索引配置</h3> <ul><li>index_root_dir</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">index_root_dir</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">取消注释用以下字段来配置索引根目录。</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">String</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">data/index(Windows:data\index)</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>enable_index</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">enable_index</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">是否启用索引。</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Boolean</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">false</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>concurrent_index_build_thread</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">concurrent_index_build_thread</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">有多少线程可以同时构建索引。当<=0时，使用CPU内核数。</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Int32</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">0</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>default_index_window_range</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">default_index_window_range</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">索引框架中用于子序列匹配的滑动窗口的默认大小。</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Int32</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">10</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>index_buffer_size</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">index_buffer_size</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">索引处理器的缓冲区参数。</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Int32</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">134217728</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>enable_partition</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">enable_partition</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">是否开启将数据按时间分区存储的功能，如果关闭，所有数据都属于分区 0 (不建议开启此功能。 如果打开，请计算合适的 concurrent_writing_time_partition 和 wal_buffer_size)</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Boolean</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">false</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">仅允许在第一次启动服务前修改</td></tr></tbody></table> <ul><li>partition_interval</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">partition_interval</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">用于存储组分区的时间段长度，用户指定的存储组下会使用该时间段进行分区，单位：秒</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Int64</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">604800</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">仅允许在第一次启动服务前修改</td></tr></tbody></table> <ul><li>virtual_storage_group_num</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">virtual_storage_group_num</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">每一个用户定义存储组下虚拟存储组的数量, 虚拟存储组是内存中写入的并行单位，每一个虚拟存储组内的写入请求是串行的，推荐值为： [virtual storage group number] = [CPU core number] / [user-defined storage group number]</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">INT32</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">1</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">仅允许在第一次启动服务前修改</td></tr></tbody></table> <ul><li>concurrent_writing_time_partition</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">concurrent_writing_time_partition</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">最大可同时写入的时间分区个数，默认500个分区</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Int64</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">500</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>admin_name</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">admin_name</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">管理员用户名，默认为root</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">String</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">root</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">仅允许在第一次启动服务前修改</td></tr></tbody></table> <ul><li>admin_password</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">admin_password</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">管理员密码，默认为root</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">String</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">root</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">仅允许在第一次启动服务前修改</td></tr></tbody></table> <h3 id="select-into配置"><a href="#select-into配置" class="header-anchor">#</a> SELECT-INTO配置</h3> <ul><li>select_into_insert_tablet_plan_row_limit</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">select_into_insert_tablet_plan_row_limit</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">执行 select-into 语句时，一个 insert-tablet-plan 中可以处理的最大行数</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Int32</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">10000</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">触发生效</td></tr></tbody></table> <h3 id="触发器配置"><a href="#触发器配置" class="header-anchor">#</a> 触发器配置</h3> <ul><li>concurrent_window_evaluation_thread</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">concurrent_window_evaluation_thread</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">窗口计算线程池的默认线程数</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Int32</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">CPU核数</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>max_pending_window_evaluation_tasks</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">max_pending_window_evaluation_tasks</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">最多允许堆积的窗口计算任务</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Int32</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">64</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <h3 id="连续查询配置"><a href="#连续查询配置" class="header-anchor">#</a> 连续查询配置</h3> <ul><li>continuous_query_execution_thread</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">continuous_query_execution_thread</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">执行连续查询任务的线程池的线程数</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Int32</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">max(1, CPU 核数 / 2)</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>max_pending_continuous_query_tasks</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">max_pending_continuous_query_tasks</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">队列中连续查询最大任务堆积数</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Int32</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">64</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <ul><li>continuous_query_min_every_interval</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">continuous_query_min_every_interval</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">连续查询执行时间间隔的最小值</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">duration</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">1s</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务生效</td></tr></tbody></table> <h2 id="开启-gc-日志"><a href="#开启-gc-日志" class="header-anchor">#</a> 开启 GC 日志</h2> <p>GC 日志默认是关闭的。为了性能调优，用户可能会需要收集 GC 信息。 |
| 若要打开 GC 日志，则需要在启动 IoTDB Server 的时候加上"printgc"参数：</p> <div class="language-bash line-numbers-mode"><pre class="language-bash"><code><span class="token function">nohup</span> sbin/start-server.sh printgc <span class="token operator">></span>/dev/null <span class="token operator"><span class="token file-descriptor important">2</span>></span><span class="token file-descriptor important">&1</span> <span class="token operator">&</span> |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>或者</p> <div class="language-bash line-numbers-mode"><pre class="language-bash"><code>sbin<span class="token punctuation">\</span>start-server.bat printgc |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>GC 日志会被存储在<code>IOTDB_HOME/logs/gc.log</code>. 至多会存储 10 个 gc.log 文件，每个文件最多 10MB。</p></div> <div class="page-nav"><p class="inner"><span class="prev"> |
| ← |
| <a href="/zh/UserGuide/V0.13.x/UDF-Library/M4.html" class="prev"> |
| M4 |
| </a></span> <span class="next"><a href="/zh/UserGuide/V0.13.x/Reference/Keywords.html"> |
| 关键字 |
| </a> |
| → |
| </span></p></div> <p style="text-align: center; color: #909399; font-size: 12px; margin: 0 30px;">Copyright © 2022 The Apache Software Foundation.<br> |
| Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px; margin: 0 30px;"><strong>Have a question?</strong> Connect with us on QQ, WeChat, or Slack. <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> now.</p> <p style="text-align: center; margin-top: 10px; color: #909399; font-size: 12px; margin: 0 30px;"> |
| We use <a href="https://analytics.google.com">Google Analytics</a> to collect anonymous, aggregated usage information. |
| </p></main></div><div class="global-ui"></div></div> |
| <script src="/assets/js/app.70f9b8bb.js" defer></script><script src="/assets/js/3.c8384d0b.js" defer></script><script src="/assets/js/779.2e550756.js" defer></script> |
| </body> |
| </html> |
