| <!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 1.7.1"> |
| <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.679f71b6.css" as="style"><link rel="preload" href="/assets/js/app.725755ea.js" as="script"><link rel="preload" href="/assets/js/3.49f0f20a.js" as="script"><link rel="preload" href="/assets/js/524.262578ab.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.4b5f6322.js"><link rel="prefetch" href="/assets/js/101.8e6517ad.js"><link rel="prefetch" href="/assets/js/102.9d5555ae.js"><link rel="prefetch" href="/assets/js/103.4098bde8.js"><link rel="prefetch" href="/assets/js/104.048c0f09.js"><link rel="prefetch" href="/assets/js/105.d0d69ab6.js"><link rel="prefetch" href="/assets/js/106.37f42371.js"><link rel="prefetch" href="/assets/js/107.408fc31a.js"><link rel="prefetch" href="/assets/js/108.73b9cb44.js"><link rel="prefetch" href="/assets/js/109.f11c4e41.js"><link rel="prefetch" href="/assets/js/11.608e7ac8.js"><link rel="prefetch" href="/assets/js/110.78abf220.js"><link rel="prefetch" href="/assets/js/111.16b3b8ce.js"><link rel="prefetch" href="/assets/js/112.7d64e61d.js"><link rel="prefetch" href="/assets/js/113.1fe6f013.js"><link rel="prefetch" href="/assets/js/114.2428d1ac.js"><link rel="prefetch" href="/assets/js/115.57ad90d4.js"><link rel="prefetch" href="/assets/js/116.2115555c.js"><link rel="prefetch" href="/assets/js/117.87a7407a.js"><link rel="prefetch" href="/assets/js/118.d20839e1.js"><link rel="prefetch" href="/assets/js/119.ffa40e02.js"><link rel="prefetch" href="/assets/js/12.028f551a.js"><link rel="prefetch" href="/assets/js/120.a71eb5f5.js"><link rel="prefetch" href="/assets/js/121.d7ca1e9d.js"><link rel="prefetch" href="/assets/js/122.6ec9e5df.js"><link rel="prefetch" href="/assets/js/123.89a1fa3c.js"><link rel="prefetch" href="/assets/js/124.66fdc2cd.js"><link rel="prefetch" href="/assets/js/125.52b7370d.js"><link rel="prefetch" href="/assets/js/126.437a4bd2.js"><link rel="prefetch" href="/assets/js/127.e5c4cee8.js"><link rel="prefetch" href="/assets/js/128.40dc7ddf.js"><link rel="prefetch" href="/assets/js/129.32965ffa.js"><link rel="prefetch" href="/assets/js/13.9ee9634f.js"><link rel="prefetch" href="/assets/js/130.c03ef9f3.js"><link rel="prefetch" href="/assets/js/131.d126d904.js"><link rel="prefetch" href="/assets/js/132.e22d327d.js"><link rel="prefetch" href="/assets/js/133.177c3c0f.js"><link rel="prefetch" href="/assets/js/134.65bbacf7.js"><link rel="prefetch" href="/assets/js/135.62205537.js"><link rel="prefetch" href="/assets/js/136.5a2bc26c.js"><link rel="prefetch" href="/assets/js/137.3a37431e.js"><link rel="prefetch" href="/assets/js/138.a6c71255.js"><link rel="prefetch" href="/assets/js/139.94b1a2a5.js"><link rel="prefetch" href="/assets/js/14.29e33ef9.js"><link rel="prefetch" href="/assets/js/140.1b69fe74.js"><link rel="prefetch" href="/assets/js/141.34592837.js"><link rel="prefetch" href="/assets/js/142.225764a7.js"><link rel="prefetch" href="/assets/js/143.1214a32c.js"><link rel="prefetch" href="/assets/js/144.077e92f3.js"><link rel="prefetch" href="/assets/js/145.c0e74f7f.js"><link rel="prefetch" href="/assets/js/146.a185be2b.js"><link rel="prefetch" href="/assets/js/147.0b488cbf.js"><link rel="prefetch" href="/assets/js/148.79171aaa.js"><link rel="prefetch" href="/assets/js/149.8e429e33.js"><link rel="prefetch" href="/assets/js/15.e2df8f28.js"><link rel="prefetch" href="/assets/js/150.983b48a1.js"><link rel="prefetch" href="/assets/js/151.eb2af660.js"><link rel="prefetch" href="/assets/js/152.89ac468d.js"><link rel="prefetch" href="/assets/js/153.cd5b87a9.js"><link rel="prefetch" href="/assets/js/154.13daf495.js"><link rel="prefetch" href="/assets/js/155.1cbb5537.js"><link rel="prefetch" href="/assets/js/156.83a3b6ae.js"><link rel="prefetch" href="/assets/js/157.122b58c2.js"><link rel="prefetch" href="/assets/js/158.10f79629.js"><link rel="prefetch" href="/assets/js/159.c04d07b6.js"><link rel="prefetch" href="/assets/js/16.475d7beb.js"><link rel="prefetch" href="/assets/js/160.3a9e833d.js"><link rel="prefetch" href="/assets/js/161.816045b9.js"><link rel="prefetch" href="/assets/js/162.6be64e21.js"><link rel="prefetch" href="/assets/js/163.56ca83d7.js"><link rel="prefetch" href="/assets/js/164.f1816454.js"><link rel="prefetch" href="/assets/js/165.778a9db6.js"><link rel="prefetch" href="/assets/js/166.2f20dae1.js"><link rel="prefetch" href="/assets/js/167.b7b283a5.js"><link rel="prefetch" href="/assets/js/168.abc24f68.js"><link rel="prefetch" href="/assets/js/169.bcaf787e.js"><link rel="prefetch" href="/assets/js/17.9ba04d92.js"><link rel="prefetch" href="/assets/js/170.a7293e43.js"><link rel="prefetch" href="/assets/js/171.bcdd8775.js"><link rel="prefetch" href="/assets/js/172.de55f022.js"><link rel="prefetch" href="/assets/js/173.2c2599da.js"><link rel="prefetch" href="/assets/js/174.3888c8be.js"><link rel="prefetch" href="/assets/js/175.bb20ff26.js"><link rel="prefetch" href="/assets/js/176.8ffc0927.js"><link rel="prefetch" href="/assets/js/177.e0f2d32f.js"><link rel="prefetch" href="/assets/js/178.89494adc.js"><link rel="prefetch" href="/assets/js/179.96de66dc.js"><link rel="prefetch" href="/assets/js/18.d9689ab6.js"><link rel="prefetch" href="/assets/js/180.64ed6778.js"><link rel="prefetch" href="/assets/js/181.075dafa2.js"><link rel="prefetch" href="/assets/js/182.76b96466.js"><link rel="prefetch" href="/assets/js/183.00096674.js"><link rel="prefetch" href="/assets/js/184.5f1232a9.js"><link rel="prefetch" href="/assets/js/185.464add3b.js"><link rel="prefetch" href="/assets/js/186.2d7988fc.js"><link rel="prefetch" href="/assets/js/187.4754dddf.js"><link rel="prefetch" href="/assets/js/188.1bc563de.js"><link rel="prefetch" href="/assets/js/189.babf0161.js"><link rel="prefetch" href="/assets/js/19.cfa08450.js"><link rel="prefetch" href="/assets/js/190.9ce4e1d7.js"><link rel="prefetch" href="/assets/js/191.faef024e.js"><link rel="prefetch" href="/assets/js/192.8be13d9c.js"><link rel="prefetch" href="/assets/js/193.2bbfbda7.js"><link rel="prefetch" href="/assets/js/194.2cc1dd44.js"><link rel="prefetch" href="/assets/js/195.ec7eee49.js"><link rel="prefetch" href="/assets/js/196.0937d848.js"><link rel="prefetch" href="/assets/js/197.b0a8dd09.js"><link rel="prefetch" href="/assets/js/198.af5b64f0.js"><link rel="prefetch" href="/assets/js/199.99d68945.js"><link rel="prefetch" href="/assets/js/20.95d07349.js"><link rel="prefetch" href="/assets/js/200.6300a418.js"><link rel="prefetch" href="/assets/js/201.dc0c8c2b.js"><link rel="prefetch" href="/assets/js/202.5295de21.js"><link rel="prefetch" href="/assets/js/203.7ba3eec1.js"><link rel="prefetch" href="/assets/js/204.c3e5700e.js"><link rel="prefetch" href="/assets/js/205.6aba6334.js"><link rel="prefetch" href="/assets/js/206.84f38d54.js"><link rel="prefetch" href="/assets/js/207.f8915139.js"><link rel="prefetch" href="/assets/js/208.7f8b6d20.js"><link rel="prefetch" href="/assets/js/209.bb193ab8.js"><link rel="prefetch" href="/assets/js/21.3b6ef7f6.js"><link rel="prefetch" href="/assets/js/210.f935b769.js"><link rel="prefetch" href="/assets/js/211.cd6550b6.js"><link rel="prefetch" href="/assets/js/212.58502315.js"><link rel="prefetch" href="/assets/js/213.daeea575.js"><link rel="prefetch" href="/assets/js/214.8355f623.js"><link rel="prefetch" href="/assets/js/215.86b072b2.js"><link rel="prefetch" href="/assets/js/216.123a92d3.js"><link rel="prefetch" href="/assets/js/217.918f494b.js"><link rel="prefetch" href="/assets/js/218.f18836de.js"><link rel="prefetch" href="/assets/js/219.46602b01.js"><link rel="prefetch" href="/assets/js/22.ab7a2af8.js"><link rel="prefetch" href="/assets/js/220.c6a7ae2f.js"><link rel="prefetch" href="/assets/js/221.5e0b66ab.js"><link rel="prefetch" href="/assets/js/222.322eae89.js"><link rel="prefetch" href="/assets/js/223.df76b1b8.js"><link rel="prefetch" href="/assets/js/224.7a0214a3.js"><link rel="prefetch" href="/assets/js/225.91bdd9c7.js"><link rel="prefetch" href="/assets/js/226.8d440b93.js"><link rel="prefetch" href="/assets/js/227.71c7bebd.js"><link rel="prefetch" href="/assets/js/228.6c94d5b1.js"><link rel="prefetch" href="/assets/js/229.35fd7280.js"><link rel="prefetch" href="/assets/js/23.8b69c332.js"><link rel="prefetch" href="/assets/js/230.0ece5b35.js"><link rel="prefetch" href="/assets/js/231.713e2b01.js"><link rel="prefetch" href="/assets/js/232.097d0cbc.js"><link rel="prefetch" href="/assets/js/233.89ddea46.js"><link rel="prefetch" href="/assets/js/234.52f8607c.js"><link rel="prefetch" href="/assets/js/235.185342a2.js"><link rel="prefetch" href="/assets/js/236.7e237f16.js"><link rel="prefetch" href="/assets/js/237.6a73933f.js"><link rel="prefetch" href="/assets/js/238.45355f58.js"><link rel="prefetch" href="/assets/js/239.b2742cff.js"><link rel="prefetch" href="/assets/js/24.a3749d36.js"><link rel="prefetch" href="/assets/js/240.f396c02d.js"><link rel="prefetch" href="/assets/js/241.6d6149e4.js"><link rel="prefetch" href="/assets/js/242.48d58be9.js"><link rel="prefetch" href="/assets/js/243.1e2e386e.js"><link rel="prefetch" href="/assets/js/244.7a5f2c10.js"><link rel="prefetch" href="/assets/js/245.79568a53.js"><link rel="prefetch" href="/assets/js/246.172ad322.js"><link rel="prefetch" href="/assets/js/247.5c9e9016.js"><link rel="prefetch" href="/assets/js/248.3b80d22f.js"><link rel="prefetch" href="/assets/js/249.6d23eead.js"><link rel="prefetch" href="/assets/js/25.bc6a97e8.js"><link rel="prefetch" href="/assets/js/250.5150543f.js"><link rel="prefetch" href="/assets/js/251.9f562870.js"><link rel="prefetch" href="/assets/js/252.20b346f2.js"><link rel="prefetch" href="/assets/js/253.3be9c85f.js"><link rel="prefetch" href="/assets/js/254.a0a9e348.js"><link rel="prefetch" href="/assets/js/255.97736f0f.js"><link rel="prefetch" href="/assets/js/256.32aa2106.js"><link rel="prefetch" href="/assets/js/257.0112e5c9.js"><link rel="prefetch" href="/assets/js/258.8d763f40.js"><link rel="prefetch" href="/assets/js/259.53d61019.js"><link rel="prefetch" href="/assets/js/26.fbaaabfb.js"><link rel="prefetch" href="/assets/js/260.f6e7777c.js"><link rel="prefetch" href="/assets/js/261.849bf2c2.js"><link rel="prefetch" href="/assets/js/262.1cfc6c75.js"><link rel="prefetch" href="/assets/js/263.4f2dfee1.js"><link rel="prefetch" href="/assets/js/264.e4b0a586.js"><link rel="prefetch" href="/assets/js/265.bb90b170.js"><link rel="prefetch" href="/assets/js/266.b281b3b6.js"><link rel="prefetch" href="/assets/js/267.189c484f.js"><link rel="prefetch" href="/assets/js/268.35b08b93.js"><link rel="prefetch" href="/assets/js/269.b70ce46c.js"><link rel="prefetch" href="/assets/js/27.af92df91.js"><link rel="prefetch" href="/assets/js/270.c71ff59b.js"><link rel="prefetch" href="/assets/js/271.d28f5462.js"><link rel="prefetch" href="/assets/js/272.ede652fe.js"><link rel="prefetch" href="/assets/js/273.9a5cb6ed.js"><link rel="prefetch" href="/assets/js/274.573d1bf7.js"><link rel="prefetch" href="/assets/js/275.8670f249.js"><link rel="prefetch" href="/assets/js/276.05026473.js"><link rel="prefetch" href="/assets/js/277.3839ebd2.js"><link rel="prefetch" href="/assets/js/278.2f85f46c.js"><link rel="prefetch" href="/assets/js/279.4b1deb2e.js"><link rel="prefetch" href="/assets/js/28.b9c6f07f.js"><link rel="prefetch" href="/assets/js/280.dd598af9.js"><link rel="prefetch" href="/assets/js/281.b06cbabc.js"><link rel="prefetch" href="/assets/js/282.43fe0152.js"><link rel="prefetch" href="/assets/js/283.3ec03c8d.js"><link rel="prefetch" href="/assets/js/284.92cf6f87.js"><link rel="prefetch" href="/assets/js/285.fc726d69.js"><link rel="prefetch" href="/assets/js/286.0c39c0d6.js"><link rel="prefetch" href="/assets/js/287.4211a0ee.js"><link rel="prefetch" href="/assets/js/288.5737dd0a.js"><link rel="prefetch" href="/assets/js/289.8478441b.js"><link rel="prefetch" href="/assets/js/29.8878a84b.js"><link rel="prefetch" href="/assets/js/290.05b2ad99.js"><link rel="prefetch" href="/assets/js/291.a7a3cb94.js"><link rel="prefetch" href="/assets/js/292.f22b2fc1.js"><link rel="prefetch" href="/assets/js/293.7bdb1253.js"><link rel="prefetch" href="/assets/js/294.7e185d14.js"><link rel="prefetch" href="/assets/js/295.8192ff40.js"><link rel="prefetch" href="/assets/js/296.aede5c28.js"><link rel="prefetch" href="/assets/js/297.cb89f18a.js"><link rel="prefetch" href="/assets/js/298.b4a190a7.js"><link rel="prefetch" href="/assets/js/299.176c6f5c.js"><link rel="prefetch" href="/assets/js/30.3e55edaf.js"><link rel="prefetch" href="/assets/js/300.0b53a43c.js"><link rel="prefetch" href="/assets/js/301.1bc76c4c.js"><link rel="prefetch" href="/assets/js/302.dff8d69e.js"><link rel="prefetch" href="/assets/js/303.d4c55eee.js"><link rel="prefetch" href="/assets/js/304.e6a0010f.js"><link rel="prefetch" href="/assets/js/305.2fcdd0bd.js"><link rel="prefetch" href="/assets/js/306.9c517963.js"><link rel="prefetch" href="/assets/js/307.2a77c8a9.js"><link rel="prefetch" href="/assets/js/308.979bfbf4.js"><link rel="prefetch" href="/assets/js/309.a042556e.js"><link rel="prefetch" href="/assets/js/31.82c6f7ee.js"><link rel="prefetch" href="/assets/js/310.d3df6b75.js"><link rel="prefetch" href="/assets/js/311.ca8d9949.js"><link rel="prefetch" href="/assets/js/312.e2347c47.js"><link rel="prefetch" href="/assets/js/313.a2a08273.js"><link rel="prefetch" href="/assets/js/314.dca1de82.js"><link rel="prefetch" href="/assets/js/315.a277d020.js"><link rel="prefetch" href="/assets/js/316.9e5c04ed.js"><link rel="prefetch" href="/assets/js/317.c1c4215f.js"><link rel="prefetch" href="/assets/js/318.63bcd49f.js"><link rel="prefetch" href="/assets/js/319.c2fd6a0b.js"><link rel="prefetch" href="/assets/js/32.bad93e79.js"><link rel="prefetch" href="/assets/js/320.d5dff770.js"><link rel="prefetch" href="/assets/js/321.08e4d972.js"><link rel="prefetch" href="/assets/js/322.c6755982.js"><link rel="prefetch" href="/assets/js/323.d65a8ea6.js"><link rel="prefetch" href="/assets/js/324.2b392ac8.js"><link rel="prefetch" href="/assets/js/325.e5cb1d41.js"><link rel="prefetch" href="/assets/js/326.96e4554a.js"><link rel="prefetch" href="/assets/js/327.71c359ab.js"><link rel="prefetch" href="/assets/js/328.3347e0e3.js"><link rel="prefetch" href="/assets/js/329.19ad039f.js"><link rel="prefetch" href="/assets/js/33.00e7d6b5.js"><link rel="prefetch" href="/assets/js/330.e58bfbdf.js"><link rel="prefetch" href="/assets/js/331.f7e940b7.js"><link rel="prefetch" href="/assets/js/332.8809dfd4.js"><link rel="prefetch" href="/assets/js/333.2679a56a.js"><link rel="prefetch" href="/assets/js/334.ac913ef5.js"><link rel="prefetch" href="/assets/js/335.cca733a2.js"><link rel="prefetch" href="/assets/js/336.258564dc.js"><link rel="prefetch" href="/assets/js/337.5e99332a.js"><link rel="prefetch" href="/assets/js/338.0b26a44c.js"><link rel="prefetch" href="/assets/js/339.a1b8263d.js"><link rel="prefetch" href="/assets/js/34.6b0c9f89.js"><link rel="prefetch" href="/assets/js/340.6d1f6815.js"><link rel="prefetch" href="/assets/js/341.4b3aa181.js"><link rel="prefetch" href="/assets/js/342.18073e4d.js"><link rel="prefetch" href="/assets/js/343.ba991616.js"><link rel="prefetch" href="/assets/js/344.9cdc4a96.js"><link rel="prefetch" href="/assets/js/345.0a95b47f.js"><link rel="prefetch" href="/assets/js/346.f046f0de.js"><link rel="prefetch" href="/assets/js/347.24bd2baa.js"><link rel="prefetch" href="/assets/js/348.452e8fc6.js"><link rel="prefetch" href="/assets/js/349.e8135e1c.js"><link rel="prefetch" href="/assets/js/35.99f1de20.js"><link rel="prefetch" href="/assets/js/350.e1bd8788.js"><link rel="prefetch" href="/assets/js/351.e4709ff7.js"><link rel="prefetch" href="/assets/js/352.8d070f70.js"><link rel="prefetch" href="/assets/js/353.0a675356.js"><link rel="prefetch" href="/assets/js/354.f1e4a1e6.js"><link rel="prefetch" href="/assets/js/355.b7825939.js"><link rel="prefetch" href="/assets/js/356.0f8c88cc.js"><link rel="prefetch" href="/assets/js/357.94de66d9.js"><link rel="prefetch" href="/assets/js/358.dddc0ed9.js"><link rel="prefetch" href="/assets/js/359.8d55cd1e.js"><link rel="prefetch" href="/assets/js/36.a48b4b37.js"><link rel="prefetch" href="/assets/js/360.12a762e2.js"><link rel="prefetch" href="/assets/js/361.61df1554.js"><link rel="prefetch" href="/assets/js/362.2ea062b6.js"><link rel="prefetch" href="/assets/js/363.a2894a42.js"><link rel="prefetch" href="/assets/js/364.4fd36582.js"><link rel="prefetch" href="/assets/js/365.848df6ad.js"><link rel="prefetch" href="/assets/js/366.4c1f28a4.js"><link rel="prefetch" href="/assets/js/367.368fa9d4.js"><link rel="prefetch" href="/assets/js/368.c0f920a4.js"><link rel="prefetch" href="/assets/js/369.ac394e0b.js"><link rel="prefetch" href="/assets/js/37.c72b6907.js"><link rel="prefetch" href="/assets/js/370.ddf01dea.js"><link rel="prefetch" href="/assets/js/371.a9f68803.js"><link rel="prefetch" href="/assets/js/372.f69aa3e9.js"><link rel="prefetch" href="/assets/js/373.d3c4355e.js"><link rel="prefetch" href="/assets/js/374.1f6ed201.js"><link rel="prefetch" href="/assets/js/375.d74ded97.js"><link rel="prefetch" href="/assets/js/376.0683cfdb.js"><link rel="prefetch" href="/assets/js/377.41fb6b38.js"><link rel="prefetch" href="/assets/js/378.276d09c8.js"><link rel="prefetch" href="/assets/js/379.27d891cf.js"><link rel="prefetch" href="/assets/js/38.2334aea2.js"><link rel="prefetch" href="/assets/js/380.2ed2d303.js"><link rel="prefetch" href="/assets/js/381.6367c284.js"><link rel="prefetch" href="/assets/js/382.0cc7b4e1.js"><link rel="prefetch" href="/assets/js/383.a4b5d2ad.js"><link rel="prefetch" href="/assets/js/384.f7f64ef2.js"><link rel="prefetch" href="/assets/js/385.338cabf7.js"><link rel="prefetch" href="/assets/js/386.4d088f53.js"><link rel="prefetch" href="/assets/js/387.3f7781da.js"><link rel="prefetch" href="/assets/js/388.d10d0fa2.js"><link rel="prefetch" href="/assets/js/389.97ed87a0.js"><link rel="prefetch" href="/assets/js/39.683bc07a.js"><link rel="prefetch" href="/assets/js/390.9590143b.js"><link rel="prefetch" href="/assets/js/391.29f8395a.js"><link rel="prefetch" href="/assets/js/392.d7aedf26.js"><link rel="prefetch" href="/assets/js/393.a76b61ae.js"><link rel="prefetch" href="/assets/js/394.f731b803.js"><link rel="prefetch" href="/assets/js/395.8f23b199.js"><link rel="prefetch" href="/assets/js/396.bbc57301.js"><link rel="prefetch" href="/assets/js/397.e5efb878.js"><link rel="prefetch" href="/assets/js/398.a3fd769f.js"><link rel="prefetch" href="/assets/js/399.26af53a1.js"><link rel="prefetch" href="/assets/js/4.06d2a3f5.js"><link rel="prefetch" href="/assets/js/40.f830037b.js"><link rel="prefetch" href="/assets/js/400.6dbc2192.js"><link rel="prefetch" href="/assets/js/401.3aae5fae.js"><link rel="prefetch" href="/assets/js/402.2826c60f.js"><link rel="prefetch" href="/assets/js/403.f4c4b7aa.js"><link rel="prefetch" href="/assets/js/404.8551cb86.js"><link rel="prefetch" href="/assets/js/405.2ab18aee.js"><link rel="prefetch" href="/assets/js/406.0d95cbf4.js"><link rel="prefetch" href="/assets/js/407.31dd5c61.js"><link rel="prefetch" href="/assets/js/408.78b7af56.js"><link rel="prefetch" href="/assets/js/409.c7fd46f6.js"><link rel="prefetch" href="/assets/js/41.ae8c3e94.js"><link rel="prefetch" href="/assets/js/410.d3d7fce4.js"><link rel="prefetch" href="/assets/js/411.1687821f.js"><link rel="prefetch" href="/assets/js/412.3e422c85.js"><link rel="prefetch" href="/assets/js/413.5957daba.js"><link rel="prefetch" href="/assets/js/414.88671989.js"><link rel="prefetch" href="/assets/js/415.38e08c2a.js"><link rel="prefetch" href="/assets/js/416.82f034d9.js"><link rel="prefetch" href="/assets/js/417.33dc5b7f.js"><link rel="prefetch" href="/assets/js/418.ec3fa2c9.js"><link rel="prefetch" href="/assets/js/419.8252aa9a.js"><link rel="prefetch" href="/assets/js/42.101ecd13.js"><link rel="prefetch" href="/assets/js/420.9bbeac2a.js"><link rel="prefetch" href="/assets/js/421.5f9499eb.js"><link rel="prefetch" href="/assets/js/422.b7f9ff60.js"><link rel="prefetch" href="/assets/js/423.1fb6b2d5.js"><link rel="prefetch" href="/assets/js/424.8f411146.js"><link rel="prefetch" href="/assets/js/425.2743009c.js"><link rel="prefetch" href="/assets/js/426.f8544cb1.js"><link rel="prefetch" href="/assets/js/427.689edfb0.js"><link rel="prefetch" href="/assets/js/428.f5ca9583.js"><link rel="prefetch" href="/assets/js/429.5cea0f19.js"><link rel="prefetch" href="/assets/js/43.bd27e7b5.js"><link rel="prefetch" href="/assets/js/430.0fa95fd2.js"><link rel="prefetch" href="/assets/js/431.16ea0024.js"><link rel="prefetch" href="/assets/js/432.af707c18.js"><link rel="prefetch" href="/assets/js/433.a67268ba.js"><link rel="prefetch" href="/assets/js/434.d15101e4.js"><link rel="prefetch" href="/assets/js/435.6082c268.js"><link rel="prefetch" href="/assets/js/436.2f59d687.js"><link rel="prefetch" href="/assets/js/437.72bc06d2.js"><link rel="prefetch" href="/assets/js/438.e51e3319.js"><link rel="prefetch" href="/assets/js/439.112bb15a.js"><link rel="prefetch" href="/assets/js/44.e0cd7e7b.js"><link rel="prefetch" href="/assets/js/440.856a81ba.js"><link rel="prefetch" href="/assets/js/441.52a1248e.js"><link rel="prefetch" href="/assets/js/442.4d2d454e.js"><link rel="prefetch" href="/assets/js/443.e0746dcb.js"><link rel="prefetch" href="/assets/js/444.b69ccc89.js"><link rel="prefetch" href="/assets/js/445.c630e832.js"><link rel="prefetch" href="/assets/js/446.99e82259.js"><link rel="prefetch" href="/assets/js/447.467f7bbc.js"><link rel="prefetch" href="/assets/js/448.262cd156.js"><link rel="prefetch" href="/assets/js/449.002c690b.js"><link rel="prefetch" href="/assets/js/45.fa02a8c0.js"><link rel="prefetch" href="/assets/js/450.e524683c.js"><link rel="prefetch" href="/assets/js/451.92817c30.js"><link rel="prefetch" href="/assets/js/452.ab019dda.js"><link rel="prefetch" href="/assets/js/453.445af07d.js"><link rel="prefetch" href="/assets/js/454.54671d7e.js"><link rel="prefetch" href="/assets/js/455.85fd227a.js"><link rel="prefetch" href="/assets/js/456.b2919005.js"><link rel="prefetch" href="/assets/js/457.9e0dea6a.js"><link rel="prefetch" href="/assets/js/458.a474574f.js"><link rel="prefetch" href="/assets/js/459.487e6931.js"><link rel="prefetch" href="/assets/js/46.cfcdcea2.js"><link rel="prefetch" href="/assets/js/460.7037e334.js"><link rel="prefetch" href="/assets/js/461.ebec074d.js"><link rel="prefetch" href="/assets/js/462.f4a2629f.js"><link rel="prefetch" href="/assets/js/463.2ab11359.js"><link rel="prefetch" href="/assets/js/464.037d35a6.js"><link rel="prefetch" href="/assets/js/465.9865dd17.js"><link rel="prefetch" href="/assets/js/466.f9f0f937.js"><link rel="prefetch" href="/assets/js/467.4cb6f601.js"><link rel="prefetch" href="/assets/js/468.ba0c1c82.js"><link rel="prefetch" href="/assets/js/469.fb64e2cf.js"><link rel="prefetch" href="/assets/js/47.2c60b5b2.js"><link rel="prefetch" href="/assets/js/470.bfbc6391.js"><link rel="prefetch" href="/assets/js/471.1c112a93.js"><link rel="prefetch" href="/assets/js/472.0b15bdb1.js"><link rel="prefetch" href="/assets/js/473.ad568006.js"><link rel="prefetch" href="/assets/js/474.9e7c6b6f.js"><link rel="prefetch" href="/assets/js/475.9886be94.js"><link rel="prefetch" href="/assets/js/476.6da12955.js"><link rel="prefetch" href="/assets/js/477.c548a4c4.js"><link rel="prefetch" href="/assets/js/478.deb95543.js"><link rel="prefetch" href="/assets/js/479.35542469.js"><link rel="prefetch" href="/assets/js/48.d24599f6.js"><link rel="prefetch" href="/assets/js/480.82a2036e.js"><link rel="prefetch" href="/assets/js/481.60d45032.js"><link rel="prefetch" href="/assets/js/482.8be15417.js"><link rel="prefetch" href="/assets/js/483.0e3bce82.js"><link rel="prefetch" href="/assets/js/484.e46c8967.js"><link rel="prefetch" href="/assets/js/485.3ced141b.js"><link rel="prefetch" href="/assets/js/486.cfc637be.js"><link rel="prefetch" href="/assets/js/487.ec41f94d.js"><link rel="prefetch" href="/assets/js/488.12c89fbc.js"><link rel="prefetch" href="/assets/js/489.9f9f3142.js"><link rel="prefetch" href="/assets/js/49.3de3d3a7.js"><link rel="prefetch" href="/assets/js/490.51eefa91.js"><link rel="prefetch" href="/assets/js/491.f398cc80.js"><link rel="prefetch" href="/assets/js/492.72c00577.js"><link rel="prefetch" href="/assets/js/493.cb94276f.js"><link rel="prefetch" href="/assets/js/494.0e40615c.js"><link rel="prefetch" href="/assets/js/495.a83d7893.js"><link rel="prefetch" href="/assets/js/496.6829b739.js"><link rel="prefetch" href="/assets/js/497.d8b707d3.js"><link rel="prefetch" href="/assets/js/498.bfa8b939.js"><link rel="prefetch" href="/assets/js/499.7d6e06b8.js"><link rel="prefetch" href="/assets/js/5.33db7f08.js"><link rel="prefetch" href="/assets/js/50.27055b53.js"><link rel="prefetch" href="/assets/js/500.4bbe45ce.js"><link rel="prefetch" href="/assets/js/501.e940222f.js"><link rel="prefetch" href="/assets/js/502.d78efae0.js"><link rel="prefetch" href="/assets/js/503.d5dd8558.js"><link rel="prefetch" href="/assets/js/504.97aa8eef.js"><link rel="prefetch" href="/assets/js/505.38cf6b44.js"><link rel="prefetch" href="/assets/js/506.a61c392c.js"><link rel="prefetch" href="/assets/js/507.f997b642.js"><link rel="prefetch" href="/assets/js/508.f360fdee.js"><link rel="prefetch" href="/assets/js/509.213d8908.js"><link rel="prefetch" href="/assets/js/51.08fc9992.js"><link rel="prefetch" href="/assets/js/510.3181ee34.js"><link rel="prefetch" href="/assets/js/511.8b29392c.js"><link rel="prefetch" href="/assets/js/512.d134969c.js"><link rel="prefetch" href="/assets/js/513.2764dbb1.js"><link rel="prefetch" href="/assets/js/514.39390f9e.js"><link rel="prefetch" href="/assets/js/515.8149a19d.js"><link rel="prefetch" href="/assets/js/516.f12e0dd9.js"><link rel="prefetch" href="/assets/js/517.75d2caec.js"><link rel="prefetch" href="/assets/js/518.1889c452.js"><link rel="prefetch" href="/assets/js/519.9e68d4c4.js"><link rel="prefetch" href="/assets/js/52.f8b19e2e.js"><link rel="prefetch" href="/assets/js/520.64cf0e4f.js"><link rel="prefetch" href="/assets/js/521.ae513cbc.js"><link rel="prefetch" href="/assets/js/522.0ee533fc.js"><link rel="prefetch" href="/assets/js/523.b4f8ba86.js"><link rel="prefetch" href="/assets/js/525.6b2c9928.js"><link rel="prefetch" href="/assets/js/53.93b1709a.js"><link rel="prefetch" href="/assets/js/54.23834020.js"><link rel="prefetch" href="/assets/js/55.98bddbab.js"><link rel="prefetch" href="/assets/js/56.d7353ef9.js"><link rel="prefetch" href="/assets/js/57.6d394c92.js"><link rel="prefetch" href="/assets/js/58.fb2916c4.js"><link rel="prefetch" href="/assets/js/59.42a833fb.js"><link rel="prefetch" href="/assets/js/6.d37d398a.js"><link rel="prefetch" href="/assets/js/60.b6706c32.js"><link rel="prefetch" href="/assets/js/61.41811a08.js"><link rel="prefetch" href="/assets/js/62.f3b58093.js"><link rel="prefetch" href="/assets/js/63.889bc046.js"><link rel="prefetch" href="/assets/js/64.dac867a0.js"><link rel="prefetch" href="/assets/js/65.4e1cd6f9.js"><link rel="prefetch" href="/assets/js/66.9ad00025.js"><link rel="prefetch" href="/assets/js/67.b6da1543.js"><link rel="prefetch" href="/assets/js/68.057cb2eb.js"><link rel="prefetch" href="/assets/js/69.334aa57e.js"><link rel="prefetch" href="/assets/js/7.8c733af6.js"><link rel="prefetch" href="/assets/js/70.786fad3e.js"><link rel="prefetch" href="/assets/js/71.aa4e68c8.js"><link rel="prefetch" href="/assets/js/72.79bf5610.js"><link rel="prefetch" href="/assets/js/73.8ff31a30.js"><link rel="prefetch" href="/assets/js/74.1f1823dc.js"><link rel="prefetch" href="/assets/js/75.f2d2c8f3.js"><link rel="prefetch" href="/assets/js/76.06e76fe6.js"><link rel="prefetch" href="/assets/js/77.a841f089.js"><link rel="prefetch" href="/assets/js/78.dedc05ae.js"><link rel="prefetch" href="/assets/js/79.c7d5252e.js"><link rel="prefetch" href="/assets/js/8.de26e4b6.js"><link rel="prefetch" href="/assets/js/80.b8d3de4d.js"><link rel="prefetch" href="/assets/js/81.6cbdc5d3.js"><link rel="prefetch" href="/assets/js/82.f2394e31.js"><link rel="prefetch" href="/assets/js/83.55567b80.js"><link rel="prefetch" href="/assets/js/84.da2ee3d4.js"><link rel="prefetch" href="/assets/js/85.66c6b201.js"><link rel="prefetch" href="/assets/js/86.3d884392.js"><link rel="prefetch" href="/assets/js/87.17978516.js"><link rel="prefetch" href="/assets/js/88.0e15764d.js"><link rel="prefetch" href="/assets/js/89.df38e0d3.js"><link rel="prefetch" href="/assets/js/9.fda181fa.js"><link rel="prefetch" href="/assets/js/90.fad17f17.js"><link rel="prefetch" href="/assets/js/91.c9cdbdcb.js"><link rel="prefetch" href="/assets/js/92.46fc182c.js"><link rel="prefetch" href="/assets/js/93.eb2cbf34.js"><link rel="prefetch" href="/assets/js/94.1a938b85.js"><link rel="prefetch" href="/assets/js/95.11940531.js"><link rel="prefetch" href="/assets/js/96.c6111016.js"><link rel="prefetch" href="/assets/js/97.50f0803b.js"><link rel="prefetch" href="/assets/js/98.2284725e.js"><link rel="prefetch" href="/assets/js/99.32772878.js"><link rel="prefetch" href="/assets/js/vendors~docsearch.262891fb.js"> |
| <link rel="stylesheet" href="/assets/css/0.styles.679f71b6.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="/zh/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/V0.9.x/8-System Design/3-Writing Data on HDFS.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.9.x/8-System Design/3-Writing Data on HDFS.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="/zh/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/V0.9.x/8-System Design/3-Writing Data on HDFS.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.9.x/8-System Design/3-Writing Data on HDFS.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 (V0.9.x)</span> <!----></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>0-开始</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>1-概览</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>2-概念</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>3-服务器端</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>4-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>5-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>6-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>7-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 open"><span>8-系统设计</span> <span class="arrow down"></span></p> <ul class="sidebar-links sidebar-group-items"><li><a href="/zh/UserGuide/V0.9.x/8-System Design/1-Hierarchy.html" class="sidebar-link">层次结构</a></li><li><a href="/zh/UserGuide/V0.9.x/8-System Design/2-Files.html" class="sidebar-link">文件</a></li><li><a href="/zh/UserGuide/V0.9.x/8-System Design/3-Writing Data on HDFS.html" class="active sidebar-link">使用HDFS存储数据</a></li><li><a href="/zh/UserGuide/V0.9.x/8-System Design/4-Shared Nothing Cluster.html" class="sidebar-link">Shared-nothing 架构</a></li></ul></section></li></ul> </aside> <main class="page"> <div class="content content__default"><h1 id="使用hdfs存储数据"><a href="#使用hdfs存储数据" class="header-anchor">#</a> 使用HDFS存储数据</h1> <h2 id="存储共享架构"><a href="#存储共享架构" class="header-anchor">#</a> 存储共享架构</h2> <p>当前，TSFile（包括TSFile文件和相关的数据文件）支持存储在本地文件系统和Hadoop分布式文件系统（HDFS）。配置使用HDFS存储TSFile十分容易。</p> <h3 id="系统架构"><a href="#系统架构" class="header-anchor">#</a> 系统架构</h3> <p>当你配置使用HDFS存储TSFile之后，你的数据文件将会被分布式存储。系统架构如下：</p> <img src="https://user-images.githubusercontent.com/19167280/66922722-35180400-f05a-11e9-8ff0-7dd51716e4a8.png" style="width:100%;max-width:700px;max-height:600px;margin-left:auto;margin-right:auto;display:block;"> <h3 id="config-and-usage"><a href="#config-and-usage" class="header-anchor">#</a> Config and usage</h3> <p>如果你希望将TSFile存储在HDFS上，可以遵循以下步骤：</p> <p>首先下载对应版本的源码发布版或者下载 github 仓库，发布版代码的 tag 为 release/x.x.x</p> <p>使用maven打包server和Hadoop模块：<code>mvn clean package -pl server,hadoop -am -Dmaven.test.skip=true</code></p> <p>然后，将Hadoop模块的target jar包<code>hadoop-tsfile-0.9.3-jar-with-dependencies.jar</code>复制到server模块的target lib文件夹 <code>.../server/target/iotdb-server-0.9.3/lib</code>下。</p> <p>编辑<code>iotdb-engine.properties</code>中的用户配置。相关配置项包括：</p> <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;">重启服务器生效</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> <p>启动server, Tsfile将会被存储到HDFS上。</p> <p>如果你想要恢复将TSFile存储到本地文件系统，只需编辑配置项<code>tsfile_storage_fs</code>为<code>LOCAL</code>。在这种情况下，如果你已经在HDFS上存储了一些数据文件，你需要将它们下载到本地，并移动到你所配置的数据文件文件夹（默认为<code>../server/target/iotdb-server-0.9.3/data/data</code>）， 或者重新开始你的整个导入数据过程。</p> <h3 id="常见问题"><a href="#常见问题" class="header-anchor">#</a> 常见问题</h3> <ol><li>这个功能支持哪些Hadoop版本?</li></ol> <p>A: Hadoop 2.x and Hadoop 3.x均可以支持。</p> <ol start="2"><li>当启动服务器或创建时间序列时，我遇到了如下错误：</li></ol> <div class="language- line-numbers-mode"><pre class="language-text"><code>ERROR org.apache.iotdb.tsfile.fileSystem.fsFactory.HDFSFactory:62 - Failed to get Hadoop file system. Please check your dependency of Hadoop module. |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>A: 这表明你没有将Hadoop模块的以来放到IoTDB server中。你可以这样解决：</p> <ul><li>使用Maven打包Hadoop模块: <code>mvn clean package -pl hadoop -am -Dmaven.test.skip=true</code></li> <li>将Hadoop模块的target jar包<code>hadoop-tsfile-0.9.3-jar-with-dependencies.jar</code>复制到server模块的target lib文件夹 <code>.../server/target/iotdb-server-0.9.3/lib</code>下。</li></ul></div> <div class="page-nav"><p class="inner"><span class="prev"> |
| ← |
| <a href="/zh/UserGuide/V0.9.x/8-System Design/2-Files.html" class="prev"> |
| 文件 |
| </a></span> <span class="next"><a href="/zh/UserGuide/V0.9.x/8-System Design/4-Shared Nothing Cluster.html"> |
| Shared-nothing 架构 |
| </a> |
| → |
| </span></p></div> <p style="text-align: center;">Copyright © 2020 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.725755ea.js" defer></script><script src="/assets/js/3.49f0f20a.js" defer></script><script src="/assets/js/524.262578ab.js" defer></script> |
| </body> |
| </html> |
