blob: c3bf9f975aef0d07f3b46f5bc671927caa87b6ad [file] [log] [blame]
<!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 1.8.2">
<link rel="icon" href="/favicon.ico">
<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.ccadf850.css" as="style"><link rel="preload" href="/assets/js/app.821c382f.js" as="script"><link rel="preload" href="/assets/js/3.5626571b.js" as="script"><link rel="preload" href="/assets/js/352.6cc96e5d.js" as="script"><link rel="prefetch" href="/assets/js/10.77e7d27b.js"><link rel="prefetch" href="/assets/js/100.ed95c785.js"><link rel="prefetch" href="/assets/js/101.824eb728.js"><link rel="prefetch" href="/assets/js/102.dfb385f3.js"><link rel="prefetch" href="/assets/js/103.b7b3c8f1.js"><link rel="prefetch" href="/assets/js/104.522d3ff0.js"><link rel="prefetch" href="/assets/js/105.b7388386.js"><link rel="prefetch" href="/assets/js/106.846b6bd8.js"><link rel="prefetch" href="/assets/js/107.2d9463c3.js"><link rel="prefetch" href="/assets/js/108.f245629a.js"><link rel="prefetch" href="/assets/js/109.69c25b06.js"><link rel="prefetch" href="/assets/js/11.a080efae.js"><link rel="prefetch" href="/assets/js/110.530a3a98.js"><link rel="prefetch" href="/assets/js/111.3b7a3ac1.js"><link rel="prefetch" href="/assets/js/112.f3812269.js"><link rel="prefetch" href="/assets/js/113.46505989.js"><link rel="prefetch" href="/assets/js/114.475c17a1.js"><link rel="prefetch" href="/assets/js/115.8b6c6d92.js"><link rel="prefetch" href="/assets/js/116.b394d6f1.js"><link rel="prefetch" href="/assets/js/117.31310d35.js"><link rel="prefetch" href="/assets/js/118.a42ab86c.js"><link rel="prefetch" href="/assets/js/119.07c43a65.js"><link rel="prefetch" href="/assets/js/12.30292c04.js"><link rel="prefetch" href="/assets/js/120.95c8a45a.js"><link rel="prefetch" href="/assets/js/121.163834bb.js"><link rel="prefetch" href="/assets/js/122.99015e01.js"><link rel="prefetch" href="/assets/js/123.b63b10d4.js"><link rel="prefetch" href="/assets/js/124.e5fcecb4.js"><link rel="prefetch" href="/assets/js/125.5d156960.js"><link rel="prefetch" href="/assets/js/126.21af8edc.js"><link rel="prefetch" href="/assets/js/127.94f1a74a.js"><link rel="prefetch" href="/assets/js/128.a5e03b1e.js"><link rel="prefetch" href="/assets/js/129.70d26ee1.js"><link rel="prefetch" href="/assets/js/13.ca90848f.js"><link rel="prefetch" href="/assets/js/130.866c33c2.js"><link rel="prefetch" href="/assets/js/131.e5ec8d01.js"><link rel="prefetch" href="/assets/js/132.1b2366a0.js"><link rel="prefetch" href="/assets/js/133.ad89487a.js"><link rel="prefetch" href="/assets/js/134.747a93d6.js"><link rel="prefetch" href="/assets/js/135.1e490c8b.js"><link rel="prefetch" href="/assets/js/136.8dacb951.js"><link rel="prefetch" href="/assets/js/137.4b220326.js"><link rel="prefetch" href="/assets/js/138.29265d0b.js"><link rel="prefetch" href="/assets/js/139.5ffbc26e.js"><link rel="prefetch" href="/assets/js/14.0518f057.js"><link rel="prefetch" href="/assets/js/140.bb3cd28c.js"><link rel="prefetch" href="/assets/js/141.f4cd2178.js"><link rel="prefetch" href="/assets/js/142.a070f8e2.js"><link rel="prefetch" href="/assets/js/143.9299561a.js"><link rel="prefetch" href="/assets/js/144.1f503a67.js"><link rel="prefetch" href="/assets/js/145.1c62a4d0.js"><link rel="prefetch" href="/assets/js/146.97d3e6eb.js"><link rel="prefetch" href="/assets/js/147.fdd69e02.js"><link rel="prefetch" href="/assets/js/148.542d0570.js"><link rel="prefetch" href="/assets/js/149.b6a0c0c4.js"><link rel="prefetch" href="/assets/js/15.0953eb10.js"><link rel="prefetch" href="/assets/js/150.47f1d515.js"><link rel="prefetch" href="/assets/js/151.52b9bd4e.js"><link rel="prefetch" href="/assets/js/152.d54e94e7.js"><link rel="prefetch" href="/assets/js/153.a3cb7b45.js"><link rel="prefetch" href="/assets/js/154.21b3e81c.js"><link rel="prefetch" href="/assets/js/155.8e74c6d3.js"><link rel="prefetch" href="/assets/js/156.f8866900.js"><link rel="prefetch" href="/assets/js/157.cceecfd1.js"><link rel="prefetch" href="/assets/js/158.f5424810.js"><link rel="prefetch" href="/assets/js/159.969149d7.js"><link rel="prefetch" href="/assets/js/16.be3a02b8.js"><link rel="prefetch" href="/assets/js/160.78670d5a.js"><link rel="prefetch" href="/assets/js/161.6ac36ecc.js"><link rel="prefetch" href="/assets/js/162.8e8f0b7a.js"><link rel="prefetch" href="/assets/js/163.be160611.js"><link rel="prefetch" href="/assets/js/164.f3391f5c.js"><link rel="prefetch" href="/assets/js/165.a50ca901.js"><link rel="prefetch" href="/assets/js/166.7e46ca06.js"><link rel="prefetch" href="/assets/js/167.e906027a.js"><link rel="prefetch" href="/assets/js/168.5dbef9ef.js"><link rel="prefetch" href="/assets/js/169.10dd3806.js"><link rel="prefetch" href="/assets/js/17.0dc295c9.js"><link rel="prefetch" href="/assets/js/170.6c329603.js"><link rel="prefetch" href="/assets/js/171.2feecdf1.js"><link rel="prefetch" href="/assets/js/172.95f87419.js"><link rel="prefetch" href="/assets/js/173.6f1d25bb.js"><link rel="prefetch" href="/assets/js/174.d86897c8.js"><link rel="prefetch" href="/assets/js/175.d5d0df6a.js"><link rel="prefetch" href="/assets/js/176.7eb83ad0.js"><link rel="prefetch" href="/assets/js/177.4e40876a.js"><link rel="prefetch" href="/assets/js/178.cae0d890.js"><link rel="prefetch" href="/assets/js/179.9b132ea4.js"><link rel="prefetch" href="/assets/js/18.6ec85d2f.js"><link rel="prefetch" href="/assets/js/180.88ff7121.js"><link rel="prefetch" href="/assets/js/181.f0d43fcc.js"><link rel="prefetch" href="/assets/js/182.7099cb48.js"><link rel="prefetch" href="/assets/js/183.edafdd83.js"><link rel="prefetch" href="/assets/js/184.4fc59e2c.js"><link rel="prefetch" href="/assets/js/185.36a5be8f.js"><link rel="prefetch" href="/assets/js/186.5dd1869c.js"><link rel="prefetch" href="/assets/js/187.3d35d396.js"><link rel="prefetch" href="/assets/js/188.c0bcf5ba.js"><link rel="prefetch" href="/assets/js/189.7a1a3e2e.js"><link rel="prefetch" href="/assets/js/19.515d3237.js"><link rel="prefetch" href="/assets/js/190.c3ae726f.js"><link rel="prefetch" href="/assets/js/191.d7e03656.js"><link rel="prefetch" href="/assets/js/192.a281a87e.js"><link rel="prefetch" href="/assets/js/193.df6d4718.js"><link rel="prefetch" href="/assets/js/194.b45804b4.js"><link rel="prefetch" href="/assets/js/195.8a4d26c7.js"><link rel="prefetch" href="/assets/js/196.e981220e.js"><link rel="prefetch" href="/assets/js/197.3444f6c7.js"><link rel="prefetch" href="/assets/js/198.0917f0fe.js"><link rel="prefetch" href="/assets/js/199.1c5dbeaf.js"><link rel="prefetch" href="/assets/js/20.43f89197.js"><link rel="prefetch" href="/assets/js/200.ae99c7c2.js"><link rel="prefetch" href="/assets/js/201.920840ef.js"><link rel="prefetch" href="/assets/js/202.9e1d7395.js"><link rel="prefetch" href="/assets/js/203.0480dc05.js"><link rel="prefetch" href="/assets/js/204.9e3b129d.js"><link rel="prefetch" href="/assets/js/205.8b96775b.js"><link rel="prefetch" href="/assets/js/206.16248e1d.js"><link rel="prefetch" href="/assets/js/207.08209c15.js"><link rel="prefetch" href="/assets/js/208.4e1a1fe8.js"><link rel="prefetch" href="/assets/js/209.684351e3.js"><link rel="prefetch" href="/assets/js/21.acbfa763.js"><link rel="prefetch" href="/assets/js/210.c7ec6d21.js"><link rel="prefetch" href="/assets/js/211.15611bfc.js"><link rel="prefetch" href="/assets/js/212.104e35e7.js"><link rel="prefetch" href="/assets/js/213.09979614.js"><link rel="prefetch" href="/assets/js/214.f1e6babb.js"><link rel="prefetch" href="/assets/js/215.047dc924.js"><link rel="prefetch" href="/assets/js/216.c7995b5f.js"><link rel="prefetch" href="/assets/js/217.2e6da777.js"><link rel="prefetch" href="/assets/js/218.79eaf6c1.js"><link rel="prefetch" href="/assets/js/219.83df5b4a.js"><link rel="prefetch" href="/assets/js/22.417af792.js"><link rel="prefetch" href="/assets/js/220.6dc448f7.js"><link rel="prefetch" href="/assets/js/221.9a9eebcd.js"><link rel="prefetch" href="/assets/js/222.dca39118.js"><link rel="prefetch" href="/assets/js/223.fb011059.js"><link rel="prefetch" href="/assets/js/224.cf6ca794.js"><link rel="prefetch" href="/assets/js/225.990885c8.js"><link rel="prefetch" href="/assets/js/226.e08365e2.js"><link rel="prefetch" href="/assets/js/227.31f28bb7.js"><link rel="prefetch" href="/assets/js/228.6de2676f.js"><link rel="prefetch" href="/assets/js/229.d5c30f16.js"><link rel="prefetch" href="/assets/js/23.6c7d7eea.js"><link rel="prefetch" href="/assets/js/230.88081b9a.js"><link rel="prefetch" href="/assets/js/231.a9d48e4f.js"><link rel="prefetch" href="/assets/js/232.3428e67a.js"><link rel="prefetch" href="/assets/js/233.6f3763a5.js"><link rel="prefetch" href="/assets/js/234.abbd03b2.js"><link rel="prefetch" href="/assets/js/235.ec25ed54.js"><link rel="prefetch" href="/assets/js/236.b977dbf2.js"><link rel="prefetch" href="/assets/js/237.66598776.js"><link rel="prefetch" href="/assets/js/238.694d8754.js"><link rel="prefetch" href="/assets/js/239.406e0531.js"><link rel="prefetch" href="/assets/js/24.a553bb19.js"><link rel="prefetch" href="/assets/js/240.854bedbf.js"><link rel="prefetch" href="/assets/js/241.5f8a330f.js"><link rel="prefetch" href="/assets/js/242.86e3c344.js"><link rel="prefetch" href="/assets/js/243.b561d8d3.js"><link rel="prefetch" href="/assets/js/244.f8b89521.js"><link rel="prefetch" href="/assets/js/245.d6222ec7.js"><link rel="prefetch" href="/assets/js/246.2b3fcc3e.js"><link rel="prefetch" href="/assets/js/247.43dfa612.js"><link rel="prefetch" href="/assets/js/248.4741dcd9.js"><link rel="prefetch" href="/assets/js/249.419ce16b.js"><link rel="prefetch" href="/assets/js/25.a807a864.js"><link rel="prefetch" href="/assets/js/250.f07ef0ee.js"><link rel="prefetch" href="/assets/js/251.c63f521d.js"><link rel="prefetch" href="/assets/js/252.811a7e8c.js"><link rel="prefetch" href="/assets/js/253.6d93c314.js"><link rel="prefetch" href="/assets/js/254.f315a0f9.js"><link rel="prefetch" href="/assets/js/255.18e2d69b.js"><link rel="prefetch" href="/assets/js/256.633166a4.js"><link rel="prefetch" href="/assets/js/257.ea907563.js"><link rel="prefetch" href="/assets/js/258.9431d26e.js"><link rel="prefetch" href="/assets/js/259.a02febe0.js"><link rel="prefetch" href="/assets/js/26.2121ac8d.js"><link rel="prefetch" href="/assets/js/260.a2e7e58f.js"><link rel="prefetch" href="/assets/js/261.cdbb6f97.js"><link rel="prefetch" href="/assets/js/262.8004896a.js"><link rel="prefetch" href="/assets/js/263.70e3fd11.js"><link rel="prefetch" href="/assets/js/264.a48b4ec3.js"><link rel="prefetch" href="/assets/js/265.34e42dc0.js"><link rel="prefetch" href="/assets/js/266.ca225af9.js"><link rel="prefetch" href="/assets/js/267.c1696137.js"><link rel="prefetch" href="/assets/js/268.4baa57e6.js"><link rel="prefetch" href="/assets/js/269.6e097d45.js"><link rel="prefetch" href="/assets/js/27.353617df.js"><link rel="prefetch" href="/assets/js/270.e5fa0340.js"><link rel="prefetch" href="/assets/js/271.7418d8b3.js"><link rel="prefetch" href="/assets/js/272.c03fdadb.js"><link rel="prefetch" href="/assets/js/273.c90f2a89.js"><link rel="prefetch" href="/assets/js/274.025000d2.js"><link rel="prefetch" href="/assets/js/275.785fd825.js"><link rel="prefetch" href="/assets/js/276.4658b553.js"><link rel="prefetch" href="/assets/js/277.be1d9950.js"><link rel="prefetch" href="/assets/js/278.969f62e9.js"><link rel="prefetch" href="/assets/js/279.b4687dca.js"><link rel="prefetch" href="/assets/js/28.de5fbffd.js"><link rel="prefetch" href="/assets/js/280.066a8f96.js"><link rel="prefetch" href="/assets/js/281.97979cbe.js"><link rel="prefetch" href="/assets/js/282.d209138a.js"><link rel="prefetch" href="/assets/js/283.c3249204.js"><link rel="prefetch" href="/assets/js/284.ac2bf191.js"><link rel="prefetch" href="/assets/js/285.bca6aa40.js"><link rel="prefetch" href="/assets/js/286.6cbe9274.js"><link rel="prefetch" href="/assets/js/287.088fa473.js"><link rel="prefetch" href="/assets/js/288.a1f73477.js"><link rel="prefetch" href="/assets/js/289.659caaed.js"><link rel="prefetch" href="/assets/js/29.91dc2824.js"><link rel="prefetch" href="/assets/js/290.f024ff5f.js"><link rel="prefetch" href="/assets/js/291.6e1a6c9b.js"><link rel="prefetch" href="/assets/js/292.598d841f.js"><link rel="prefetch" href="/assets/js/293.cd2df0cc.js"><link rel="prefetch" href="/assets/js/294.49874dd4.js"><link rel="prefetch" href="/assets/js/295.0dac4d0b.js"><link rel="prefetch" href="/assets/js/296.8f353ed4.js"><link rel="prefetch" href="/assets/js/297.3bb42d7a.js"><link rel="prefetch" href="/assets/js/298.91b1b31c.js"><link rel="prefetch" href="/assets/js/299.348f494c.js"><link rel="prefetch" href="/assets/js/30.03cf4852.js"><link rel="prefetch" href="/assets/js/300.9a839ae2.js"><link rel="prefetch" href="/assets/js/301.5972ea62.js"><link rel="prefetch" href="/assets/js/302.03d8c96e.js"><link rel="prefetch" href="/assets/js/303.10880519.js"><link rel="prefetch" href="/assets/js/304.0d8f585e.js"><link rel="prefetch" href="/assets/js/305.fc662c9f.js"><link rel="prefetch" href="/assets/js/306.fe8e18f6.js"><link rel="prefetch" href="/assets/js/307.32cbfa3d.js"><link rel="prefetch" href="/assets/js/308.85fb07ff.js"><link rel="prefetch" href="/assets/js/309.2ea57d84.js"><link rel="prefetch" href="/assets/js/31.4b8359e5.js"><link rel="prefetch" href="/assets/js/310.e410f107.js"><link rel="prefetch" href="/assets/js/311.6eaf26c4.js"><link rel="prefetch" href="/assets/js/312.c9ecb92c.js"><link rel="prefetch" href="/assets/js/313.826db8cd.js"><link rel="prefetch" href="/assets/js/314.7f57565d.js"><link rel="prefetch" href="/assets/js/315.8130feb6.js"><link rel="prefetch" href="/assets/js/316.41b61be0.js"><link rel="prefetch" href="/assets/js/317.a2ea3d95.js"><link rel="prefetch" href="/assets/js/318.5f3975f5.js"><link rel="prefetch" href="/assets/js/319.743e01f9.js"><link rel="prefetch" href="/assets/js/32.6fe577bc.js"><link rel="prefetch" href="/assets/js/320.f461a416.js"><link rel="prefetch" href="/assets/js/321.c7a56cb3.js"><link rel="prefetch" href="/assets/js/322.678b2aa6.js"><link rel="prefetch" href="/assets/js/323.c1402dc9.js"><link rel="prefetch" href="/assets/js/324.5e31b5b7.js"><link rel="prefetch" href="/assets/js/325.85d7b6f2.js"><link rel="prefetch" href="/assets/js/326.2aad02c9.js"><link rel="prefetch" href="/assets/js/327.a2797c70.js"><link rel="prefetch" href="/assets/js/328.eab6f5e8.js"><link rel="prefetch" href="/assets/js/329.1fcd30fb.js"><link rel="prefetch" href="/assets/js/33.d0eafbb9.js"><link rel="prefetch" href="/assets/js/330.d6814502.js"><link rel="prefetch" href="/assets/js/331.aaef2a2d.js"><link rel="prefetch" href="/assets/js/332.25c3698e.js"><link rel="prefetch" href="/assets/js/333.ff760597.js"><link rel="prefetch" href="/assets/js/334.4352a701.js"><link rel="prefetch" href="/assets/js/335.a08d4648.js"><link rel="prefetch" href="/assets/js/336.adbfcd2a.js"><link rel="prefetch" href="/assets/js/337.91b7a655.js"><link rel="prefetch" href="/assets/js/338.527a995c.js"><link rel="prefetch" href="/assets/js/339.17770dae.js"><link rel="prefetch" href="/assets/js/34.85849ed4.js"><link rel="prefetch" href="/assets/js/340.5e3f5af3.js"><link rel="prefetch" href="/assets/js/341.6f3254cc.js"><link rel="prefetch" href="/assets/js/342.eb19c5b2.js"><link rel="prefetch" href="/assets/js/343.86880c2b.js"><link rel="prefetch" href="/assets/js/344.b246b989.js"><link rel="prefetch" href="/assets/js/345.fc088fdc.js"><link rel="prefetch" href="/assets/js/346.b959a237.js"><link rel="prefetch" href="/assets/js/347.6936a722.js"><link rel="prefetch" href="/assets/js/348.d0bee38d.js"><link rel="prefetch" href="/assets/js/349.4d751508.js"><link rel="prefetch" href="/assets/js/35.5612ab6a.js"><link rel="prefetch" href="/assets/js/350.0e29054a.js"><link rel="prefetch" href="/assets/js/351.085e1aa5.js"><link rel="prefetch" href="/assets/js/353.cfe4cf8b.js"><link rel="prefetch" href="/assets/js/354.88283483.js"><link rel="prefetch" href="/assets/js/355.c6db4669.js"><link rel="prefetch" href="/assets/js/356.c5a04c75.js"><link rel="prefetch" href="/assets/js/357.698b5c48.js"><link rel="prefetch" href="/assets/js/358.a1284b35.js"><link rel="prefetch" href="/assets/js/359.04925c9a.js"><link rel="prefetch" href="/assets/js/36.4e36f97e.js"><link rel="prefetch" href="/assets/js/360.9daae8bf.js"><link rel="prefetch" href="/assets/js/361.f9736519.js"><link rel="prefetch" href="/assets/js/362.746e9925.js"><link rel="prefetch" href="/assets/js/363.c296153b.js"><link rel="prefetch" href="/assets/js/364.79bb95e0.js"><link rel="prefetch" href="/assets/js/365.19b72317.js"><link rel="prefetch" href="/assets/js/366.46fbd6f7.js"><link rel="prefetch" href="/assets/js/367.78a65da6.js"><link rel="prefetch" href="/assets/js/368.b734ee75.js"><link rel="prefetch" href="/assets/js/369.6a0f730e.js"><link rel="prefetch" href="/assets/js/37.33185238.js"><link rel="prefetch" href="/assets/js/370.ca1215ed.js"><link rel="prefetch" href="/assets/js/371.c1d1c747.js"><link rel="prefetch" href="/assets/js/372.b9e57899.js"><link rel="prefetch" href="/assets/js/373.aa42888a.js"><link rel="prefetch" href="/assets/js/374.6e77b7d2.js"><link rel="prefetch" href="/assets/js/375.f88c3c53.js"><link rel="prefetch" href="/assets/js/376.480dacf6.js"><link rel="prefetch" href="/assets/js/377.6f48920f.js"><link rel="prefetch" href="/assets/js/378.e839a0d7.js"><link rel="prefetch" href="/assets/js/379.fab165fa.js"><link rel="prefetch" href="/assets/js/38.b02b6af6.js"><link rel="prefetch" href="/assets/js/380.3b479eee.js"><link rel="prefetch" href="/assets/js/381.13c45e12.js"><link rel="prefetch" href="/assets/js/382.b9d10d79.js"><link rel="prefetch" href="/assets/js/383.22938fc1.js"><link rel="prefetch" href="/assets/js/384.aa932ca6.js"><link rel="prefetch" href="/assets/js/385.3bf09de9.js"><link rel="prefetch" href="/assets/js/386.8894c43f.js"><link rel="prefetch" href="/assets/js/387.3b662ff8.js"><link rel="prefetch" href="/assets/js/388.a1ae1ede.js"><link rel="prefetch" href="/assets/js/389.3dab322c.js"><link rel="prefetch" href="/assets/js/39.bdef8540.js"><link rel="prefetch" href="/assets/js/390.336a9553.js"><link rel="prefetch" href="/assets/js/391.da4afab5.js"><link rel="prefetch" href="/assets/js/392.c7097ee6.js"><link rel="prefetch" href="/assets/js/393.2add8d8b.js"><link rel="prefetch" href="/assets/js/394.01a05f68.js"><link rel="prefetch" href="/assets/js/395.f87beb80.js"><link rel="prefetch" href="/assets/js/396.1ea42313.js"><link rel="prefetch" href="/assets/js/397.3b2c4329.js"><link rel="prefetch" href="/assets/js/398.e19b2769.js"><link rel="prefetch" href="/assets/js/399.959cde76.js"><link rel="prefetch" href="/assets/js/4.a195f7b6.js"><link rel="prefetch" href="/assets/js/40.83fa7936.js"><link rel="prefetch" href="/assets/js/400.81bf6971.js"><link rel="prefetch" href="/assets/js/401.917f34b9.js"><link rel="prefetch" href="/assets/js/402.b9b6b243.js"><link rel="prefetch" href="/assets/js/403.d18ffde3.js"><link rel="prefetch" href="/assets/js/404.f05efd75.js"><link rel="prefetch" href="/assets/js/405.f0a294d4.js"><link rel="prefetch" href="/assets/js/406.3d6728bf.js"><link rel="prefetch" href="/assets/js/407.9db8bc05.js"><link rel="prefetch" href="/assets/js/408.ee74e96c.js"><link rel="prefetch" href="/assets/js/409.908ee17a.js"><link rel="prefetch" href="/assets/js/41.3693bb5f.js"><link rel="prefetch" href="/assets/js/410.19de2693.js"><link rel="prefetch" href="/assets/js/411.126a0e61.js"><link rel="prefetch" href="/assets/js/412.0714380f.js"><link rel="prefetch" href="/assets/js/413.548508ac.js"><link rel="prefetch" href="/assets/js/414.7e20a18c.js"><link rel="prefetch" href="/assets/js/415.8973dc73.js"><link rel="prefetch" href="/assets/js/416.ed747810.js"><link rel="prefetch" href="/assets/js/417.69aff868.js"><link rel="prefetch" href="/assets/js/418.d08b9633.js"><link rel="prefetch" href="/assets/js/419.7a29a575.js"><link rel="prefetch" href="/assets/js/42.d7b203f7.js"><link rel="prefetch" href="/assets/js/420.e1b32755.js"><link rel="prefetch" href="/assets/js/421.9f59b9c4.js"><link rel="prefetch" href="/assets/js/422.82338d23.js"><link rel="prefetch" href="/assets/js/423.78ae5544.js"><link rel="prefetch" href="/assets/js/424.58ec76aa.js"><link rel="prefetch" href="/assets/js/425.44ee0a9c.js"><link rel="prefetch" href="/assets/js/426.35170657.js"><link rel="prefetch" href="/assets/js/427.b96b2653.js"><link rel="prefetch" href="/assets/js/428.789479d6.js"><link rel="prefetch" href="/assets/js/429.cfd12490.js"><link rel="prefetch" href="/assets/js/43.f4a347ba.js"><link rel="prefetch" href="/assets/js/430.22ab1959.js"><link rel="prefetch" href="/assets/js/431.58e8895f.js"><link rel="prefetch" href="/assets/js/432.8f6c6e43.js"><link rel="prefetch" href="/assets/js/433.128fd68b.js"><link rel="prefetch" href="/assets/js/434.cb6df7fd.js"><link rel="prefetch" href="/assets/js/435.596e9910.js"><link rel="prefetch" href="/assets/js/436.2a426362.js"><link rel="prefetch" href="/assets/js/437.c4e29f95.js"><link rel="prefetch" href="/assets/js/438.60eead82.js"><link rel="prefetch" href="/assets/js/439.755047ee.js"><link rel="prefetch" href="/assets/js/44.b334ed25.js"><link rel="prefetch" href="/assets/js/440.eadeab90.js"><link rel="prefetch" href="/assets/js/441.2fd0022c.js"><link rel="prefetch" href="/assets/js/442.5febb7ff.js"><link rel="prefetch" href="/assets/js/443.40d31ee9.js"><link rel="prefetch" href="/assets/js/444.2ae6c97b.js"><link rel="prefetch" href="/assets/js/445.358eb5a0.js"><link rel="prefetch" href="/assets/js/446.f70aa844.js"><link rel="prefetch" href="/assets/js/447.e57098da.js"><link rel="prefetch" href="/assets/js/448.42fa449f.js"><link rel="prefetch" href="/assets/js/449.87a7d812.js"><link rel="prefetch" href="/assets/js/45.20484792.js"><link rel="prefetch" href="/assets/js/450.2d5c62cb.js"><link rel="prefetch" href="/assets/js/451.cfb7d1c7.js"><link rel="prefetch" href="/assets/js/452.d4ca93d8.js"><link rel="prefetch" href="/assets/js/453.f3859daa.js"><link rel="prefetch" href="/assets/js/454.bb599f94.js"><link rel="prefetch" href="/assets/js/455.164435bc.js"><link rel="prefetch" href="/assets/js/456.3a24aaab.js"><link rel="prefetch" href="/assets/js/457.be959948.js"><link rel="prefetch" href="/assets/js/458.94bcefe5.js"><link rel="prefetch" href="/assets/js/459.d4dbc24e.js"><link rel="prefetch" href="/assets/js/46.508f7d41.js"><link rel="prefetch" href="/assets/js/460.1abdd421.js"><link rel="prefetch" href="/assets/js/461.3b85e094.js"><link rel="prefetch" href="/assets/js/462.328088b4.js"><link rel="prefetch" href="/assets/js/463.8f458fe3.js"><link rel="prefetch" href="/assets/js/464.4799603d.js"><link rel="prefetch" href="/assets/js/465.4510e882.js"><link rel="prefetch" href="/assets/js/466.01245050.js"><link rel="prefetch" href="/assets/js/467.2ca7baa4.js"><link rel="prefetch" href="/assets/js/468.471e2d1f.js"><link rel="prefetch" href="/assets/js/469.bfffaee9.js"><link rel="prefetch" href="/assets/js/47.a8742825.js"><link rel="prefetch" href="/assets/js/470.97799d73.js"><link rel="prefetch" href="/assets/js/471.05120819.js"><link rel="prefetch" href="/assets/js/472.3892f52c.js"><link rel="prefetch" href="/assets/js/473.be27ddaa.js"><link rel="prefetch" href="/assets/js/474.9e1d826e.js"><link rel="prefetch" href="/assets/js/475.4bbf0340.js"><link rel="prefetch" href="/assets/js/476.43ad6812.js"><link rel="prefetch" href="/assets/js/477.79abdb61.js"><link rel="prefetch" href="/assets/js/478.99ac7b26.js"><link rel="prefetch" href="/assets/js/479.978b51aa.js"><link rel="prefetch" href="/assets/js/48.ad2c2a29.js"><link rel="prefetch" href="/assets/js/480.682076e4.js"><link rel="prefetch" href="/assets/js/481.592b3459.js"><link rel="prefetch" href="/assets/js/482.51200cc2.js"><link rel="prefetch" href="/assets/js/483.5a48543e.js"><link rel="prefetch" href="/assets/js/484.a7cb9e3e.js"><link rel="prefetch" href="/assets/js/485.a920105c.js"><link rel="prefetch" href="/assets/js/486.7a12b540.js"><link rel="prefetch" href="/assets/js/487.78f9b7c4.js"><link rel="prefetch" href="/assets/js/488.182ede16.js"><link rel="prefetch" href="/assets/js/489.7cdb000a.js"><link rel="prefetch" href="/assets/js/49.a22d6593.js"><link rel="prefetch" href="/assets/js/490.f80db158.js"><link rel="prefetch" href="/assets/js/491.a60a3324.js"><link rel="prefetch" href="/assets/js/492.db35e960.js"><link rel="prefetch" href="/assets/js/493.5bc91ef5.js"><link rel="prefetch" href="/assets/js/494.59430cc4.js"><link rel="prefetch" href="/assets/js/495.8f890f74.js"><link rel="prefetch" href="/assets/js/496.0d962a47.js"><link rel="prefetch" href="/assets/js/497.d01e6f25.js"><link rel="prefetch" href="/assets/js/498.91583855.js"><link rel="prefetch" href="/assets/js/499.dad0cd86.js"><link rel="prefetch" href="/assets/js/5.2a4451ec.js"><link rel="prefetch" href="/assets/js/50.7d8944cd.js"><link rel="prefetch" href="/assets/js/500.4fef98e6.js"><link rel="prefetch" href="/assets/js/501.70c8ab6c.js"><link rel="prefetch" href="/assets/js/502.647791b2.js"><link rel="prefetch" href="/assets/js/503.e27cca34.js"><link rel="prefetch" href="/assets/js/504.d255dfd4.js"><link rel="prefetch" href="/assets/js/505.8ebc01bb.js"><link rel="prefetch" href="/assets/js/506.96eff784.js"><link rel="prefetch" href="/assets/js/507.ee0941f8.js"><link rel="prefetch" href="/assets/js/508.eca87bfc.js"><link rel="prefetch" href="/assets/js/509.ac852d9e.js"><link rel="prefetch" href="/assets/js/51.fd01b1a1.js"><link rel="prefetch" href="/assets/js/510.f2c30f30.js"><link rel="prefetch" href="/assets/js/511.93c39252.js"><link rel="prefetch" href="/assets/js/512.6693c6d2.js"><link rel="prefetch" href="/assets/js/513.a093308f.js"><link rel="prefetch" href="/assets/js/514.586fc8e9.js"><link rel="prefetch" href="/assets/js/515.4b42a743.js"><link rel="prefetch" href="/assets/js/516.1776d737.js"><link rel="prefetch" href="/assets/js/517.34d50a8b.js"><link rel="prefetch" href="/assets/js/518.1ddd9cd6.js"><link rel="prefetch" href="/assets/js/519.4b8d67f9.js"><link rel="prefetch" href="/assets/js/52.10d8a15b.js"><link rel="prefetch" href="/assets/js/520.72b60177.js"><link rel="prefetch" href="/assets/js/521.208e1056.js"><link rel="prefetch" href="/assets/js/522.0b70667a.js"><link rel="prefetch" href="/assets/js/523.c5baafd0.js"><link rel="prefetch" href="/assets/js/524.a0faf49c.js"><link rel="prefetch" href="/assets/js/525.5e8c24b2.js"><link rel="prefetch" href="/assets/js/526.2a0914f9.js"><link rel="prefetch" href="/assets/js/527.ded91633.js"><link rel="prefetch" href="/assets/js/528.afaf3a7c.js"><link rel="prefetch" href="/assets/js/53.29fda513.js"><link rel="prefetch" href="/assets/js/54.1ec48dc5.js"><link rel="prefetch" href="/assets/js/55.38876710.js"><link rel="prefetch" href="/assets/js/56.aa94202c.js"><link rel="prefetch" href="/assets/js/57.4487fe4e.js"><link rel="prefetch" href="/assets/js/58.fce3a269.js"><link rel="prefetch" href="/assets/js/59.f956ceb1.js"><link rel="prefetch" href="/assets/js/6.3450075a.js"><link rel="prefetch" href="/assets/js/60.04e971a8.js"><link rel="prefetch" href="/assets/js/61.39ed191f.js"><link rel="prefetch" href="/assets/js/62.eef65e9b.js"><link rel="prefetch" href="/assets/js/63.49f75809.js"><link rel="prefetch" href="/assets/js/64.ca5c6060.js"><link rel="prefetch" href="/assets/js/65.caf7d783.js"><link rel="prefetch" href="/assets/js/66.5ec349a5.js"><link rel="prefetch" href="/assets/js/67.29edf638.js"><link rel="prefetch" href="/assets/js/68.de6ad154.js"><link rel="prefetch" href="/assets/js/69.71328eaf.js"><link rel="prefetch" href="/assets/js/7.c5c54fb4.js"><link rel="prefetch" href="/assets/js/70.5e78a4e5.js"><link rel="prefetch" href="/assets/js/71.64856643.js"><link rel="prefetch" href="/assets/js/72.8010c02a.js"><link rel="prefetch" href="/assets/js/73.498829e1.js"><link rel="prefetch" href="/assets/js/74.df0d04bd.js"><link rel="prefetch" href="/assets/js/75.a230e9c2.js"><link rel="prefetch" href="/assets/js/76.79d37682.js"><link rel="prefetch" href="/assets/js/77.d93d9983.js"><link rel="prefetch" href="/assets/js/78.1f320f90.js"><link rel="prefetch" href="/assets/js/79.036924ec.js"><link rel="prefetch" href="/assets/js/8.de5c69e7.js"><link rel="prefetch" href="/assets/js/80.293948a6.js"><link rel="prefetch" href="/assets/js/81.fcfc5c23.js"><link rel="prefetch" href="/assets/js/82.418c0deb.js"><link rel="prefetch" href="/assets/js/83.3720138d.js"><link rel="prefetch" href="/assets/js/84.e4ab62ab.js"><link rel="prefetch" href="/assets/js/85.a51ccec4.js"><link rel="prefetch" href="/assets/js/86.af367a23.js"><link rel="prefetch" href="/assets/js/87.208096b5.js"><link rel="prefetch" href="/assets/js/88.6d82fdfa.js"><link rel="prefetch" href="/assets/js/89.855e8d78.js"><link rel="prefetch" href="/assets/js/9.18fb6454.js"><link rel="prefetch" href="/assets/js/90.35f0b664.js"><link rel="prefetch" href="/assets/js/91.f05d3514.js"><link rel="prefetch" href="/assets/js/92.c427e959.js"><link rel="prefetch" href="/assets/js/93.301dbd74.js"><link rel="prefetch" href="/assets/js/94.df22e216.js"><link rel="prefetch" href="/assets/js/95.96ae29e6.js"><link rel="prefetch" href="/assets/js/96.2a84236c.js"><link rel="prefetch" href="/assets/js/97.9921cd09.js"><link rel="prefetch" href="/assets/js/98.ac175dbc.js"><link rel="prefetch" href="/assets/js/99.ed51aa2e.js"><link rel="prefetch" href="/assets/js/vendors~docsearch.eff714eb.js">
<link rel="stylesheet" href="/assets/css/0.styles.ccadf850.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/Get Started/QuickStart.html" class="nav-link">In progress</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="/zh/SystemDesign/Architecture/Architecture.html" class="nav-link">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="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/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/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/Master/Server/Config Manual.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/Master/Server/Config Manual.html" class="nav-link">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/Get Started/QuickStart.html" class="nav-link">In progress</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="/zh/SystemDesign/Architecture/Architecture.html" class="nav-link">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="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/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/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/Master/Server/Config Manual.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/Master/Server/Config Manual.html" class="nav-link">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>开始</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>概述</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>概念</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading open"><span>服务器端</span> <span class="arrow down"></span></p> <ul class="sidebar-links sidebar-group-items"><li><a href="/zh/UserGuide/Master/Server/Download.html" class="sidebar-link">下载</a></li><li><a href="/zh/UserGuide/Master/Server/Single Node Setup.html" class="sidebar-link">单节点安装</a></li><li><a href="/zh/UserGuide/Master/Server/Cluster Setup.html" class="sidebar-link">集群设置</a></li><li><a href="/zh/UserGuide/Master/Server/Config Manual.html" class="active sidebar-link">配置手册</a></li><li><a href="/zh/UserGuide/Master/Server/Docker Image.html" class="sidebar-link">Docker镜像</a></li><li><a href="/zh/UserGuide/Master/Server/ServerFileList.html" class="sidebar-link">服务端文件列表</a></li></ul></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>客户端</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>操作指南</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>系统工具</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>生态集成</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>系统设计</span> <span class="arrow right"></span></p> <!----></section></li></ul> </aside> <main class="page"> <div class="content content__default"><h1 id="配置手册"><a href="#配置手册" class="header-anchor">#</a> 配置手册</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器或服务器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第4章</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yes表示仅允许本地监控,设置为no的时候表示允许远程监控</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">枚举String : “yes”, “no”</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">yes</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务器生效</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;">重启服务器生效</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;">重启服务器生效</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;">重启服务器生效</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。用户可以通过查看<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="文件层配置"><a href="#文件层配置" class="header-anchor">#</a> 文件层配置</h3> <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”</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">UNCOMPRESSED</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>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>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_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;">1024</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器前修改</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>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>time_series_data_type</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">time_series_data_type</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">时间戳数据类型</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">枚举String: &quot;INT32&quot;, &quot;INT64&quot;</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">Int64</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>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>bloomFilterErrorRate</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">bloomFilterErrorRate</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">bloom过滤器的误报率. 在加载元数据之前 Bloom filter 可以检查给定的时间序列是否在 TsFile 中。这可以优化加载元数据的性能,并跳过不包含指定时间序列的 TsFile。如果你想了解更多关于它的细节,你可以参考: <a href="https://en.wikipedia.org/wiki/Bloom_filter" target="_blank" rel="noopener noreferrer">wiki page of bloom filter<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>.</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">浮点数, 范围为(0, 1)</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">0.05</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启生效</td></tr></tbody></table> <h3 id="引擎层配置"><a href="#引擎层配置" class="header-anchor">#</a> 引擎层配置</h3> <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bin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</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_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;">Bool</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>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器前修改</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;">Bool</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;">重启服务器生效</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;">重启服务器生效</td></tr></tbody></table> <ul><li>fetch_size</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">fetch_size</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">批量读取数据的时候,每一次读取数据的数量。单位为数据条数,即不同时间戳的个数。某次会话中,用户可以在使用时自己设定,此时仅在该次会话中生效。</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;">重启服务器生效</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;">写前日志定期刷新到磁盘的周期,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;">10</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,刷新到磁盘,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>merge_concurrent_threads</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">merge_concurrent_threads</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">乱序数据进行合并的时候最多可以用来进行merge的线程数。值越大,对IO和CPU消耗越多。值越小,当乱序数据过多时,磁盘占用量越大,读取会变慢。</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;">重启服务器生效</td></tr></tbody></table> <ul><li>enable_mem_control</li></ul> <table><thead><tr><th style="text-align:center;">Name</th> <th style="text-align:left;">enable_mem_control</th></tr></thead> <tbody><tr><td style="text-align:center;">Description</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;">Type</td> <td style="text-align:left;">Bool</td></tr> <tr><td style="text-align:center;">Default</td> <td style="text-align:left;">true</td></tr> <tr><td style="text-align:center;">Effective</td> <td style="text-align:left;">重启服务器生效</td></tr></tbody></table> <ul><li>memtable_size_threshold</li></ul> <table><thead><tr><th style="text-align:center;">Name</th> <th style="text-align:left;">memtable_size_threshold</th></tr></thead> <tbody><tr><td style="text-align:center;">Description</td> <td style="text-align:left;">内存缓冲区 memtable 阈值</td></tr> <tr><td style="text-align:center;">Type</td> <td style="text-align:left;">Long</td></tr> <tr><td style="text-align:center;">Default</td> <td style="text-align:left;">1073741824</td></tr> <tr><td style="text-align:center;">Effective</td> <td style="text-align:left;">enable_mem_control为false时生效、重启服务器生效</td></tr></tbody></table> <ul><li>avg_series_point_number_threshold</li></ul> <table><thead><tr><th style="text-align:center;">Name</th> <th style="text-align:left;">avg_series_point_number_threshold</th></tr></thead> <tbody><tr><td style="text-align:center;">Description</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;">Type</td> <td style="text-align:left;">Int32</td></tr> <tr><td style="text-align:center;">Default</td> <td style="text-align:left;">10000</td></tr> <tr><td style="text-align:center;">Effective</td> <td style="text-align:left;">重启服务器生效</td></tr></tbody></table> <ul><li>tsfile_size_threshold</li></ul> <table><thead><tr><th style="text-align:center;">Name</th> <th style="text-align:left;">tsfile_size_threshold</th></tr></thead> <tbody><tr><td style="text-align:center;">Description</td> <td style="text-align:left;">每个 tsfile 大小</td></tr> <tr><td style="text-align:center;">Type</td> <td style="text-align:left;">Long</td></tr> <tr><td style="text-align:center;">Default</td> <td style="text-align:left;">536870912</td></tr> <tr><td style="text-align:center;">Effective</td> <td style="text-align:left;">重启服务器生效</td></tr></tbody></table> <ul><li>enable_partition</li></ul> <table><thead><tr><th style="text-align:center;">Name</th> <th style="text-align:left;">enable_partition</th></tr></thead> <tbody><tr><td style="text-align:center;">Description</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</td></tr> <tr><td style="text-align:center;">Type</td> <td style="text-align:left;">Bool</td></tr> <tr><td style="text-align:center;">Default</td> <td style="text-align:left;">false</td></tr> <tr><td style="text-align:center;">Effective</td> <td style="text-align:left;">仅允许在第一次启动服务器前修改</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器前修改</td></tr></tbody></table> <ul><li>memtable_num_in_each_storage_group</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">memtable_num_in_each_storage_group</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">每个存储组所控制的memtable的最大数量,这决定了来源于多少个不同时间分区的数据可以并发写入<br>举例来说,你的时间分区为按天分区,想要同时并发写入3天的数据,那么这个值应该被设置为6(3个给顺序写入,3个给乱序写入)</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;">重启服务器生效</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>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;"></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;">&quot;0.0.0.0&quot;</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务器生效</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;">重启服务器生效</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;">true 或者 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;">重启服务器生效</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;">true 或者 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;">重启服务器生效</td></tr></tbody></table> <ul><li>time_zone</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">time_zone</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">服务器所处的时区,默认为北京时间(东八区)</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Time Zone String</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">+08:00</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_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;">重启服务器生效</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;">重启服务器生效</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器前修改</td></tr></tbody></table> <ul><li>core_site_path</li></ul> <table><thead><tr><th style="text-align:center;">Name</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;">重启服务器生效</td></tr></tbody></table> <ul><li>hdfs_site_path</li></ul> <table><thead><tr><th style="text-align:center;">Name</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;">重启服务器生效</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;">重启服务器生效</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;">重启服务器生效</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;">重启服务器生效</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;">重启服务器生效</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;">重启服务器生效</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;">重启服务器生效</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;">重启服务器生效</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;">重启服务器生效</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;">重启服务器生效</td></tr></tbody></table> <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;">重启服务器生效</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;"></td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务器生效</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;">67108864 (应大于等于 8 * 1024 * 1024)</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务器生效</td></tr></tbody></table> <h2 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</h2> <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,是否自动创建序列到Schema</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;">重启服务器生效</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;">整数</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;">重启服务器生效</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;">&quot;true&quot; 或者 &quot;false&quot; 被视为什么数据</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;">重启服务器生效</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;">整数型数据被推断成什么</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;">重启服务器生效</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 字符串被推断为什么</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;">重启服务器生效</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;">&quot;6.7&quot;等浮点数被推断为什么</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;">重启服务器生效</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&quot;printgc&quot;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">&gt;</span>/dev/null <span class="token operator"><span class="token file-descriptor important">2</span>&gt;</span><span class="token file-descriptor important">&amp;1</span> <span class="token operator">&amp;</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/Master/Server/Cluster Setup.html" class="prev">
集群设置
</a></span> <span class="next"><a href="/zh/UserGuide/Master/Server/Docker Image.html">
Docker镜像
</a>
</span></p></div> <p style="text-align: center;">Copyright © 2021 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: #444">
Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br>
see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div>
<script src="/assets/js/app.821c382f.js" defer></script><script src="/assets/js/3.5626571b.js" defer></script><script src="/assets/js/352.6cc96e5d.js" defer></script>
</body>
</html>