| <!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.04ff6ebb.js" as="script"><link rel="preload" href="/assets/js/3.49f0f20a.js" as="script"><link rel="preload" href="/assets/js/438.e51e3319.js" as="script"><link rel="prefetch" href="/assets/js/10.a9e4399a.js"><link rel="prefetch" href="/assets/js/100.7e857289.js"><link rel="prefetch" href="/assets/js/101.df55c3f8.js"><link rel="prefetch" href="/assets/js/102.14675918.js"><link rel="prefetch" href="/assets/js/103.83c13b3a.js"><link rel="prefetch" href="/assets/js/104.7e27f10a.js"><link rel="prefetch" href="/assets/js/105.30a9e3f9.js"><link rel="prefetch" href="/assets/js/106.ec68e99d.js"><link rel="prefetch" href="/assets/js/107.85c9a5ef.js"><link rel="prefetch" href="/assets/js/108.73b9cb44.js"><link rel="prefetch" href="/assets/js/109.a7cb5f55.js"><link rel="prefetch" href="/assets/js/11.1a825151.js"><link rel="prefetch" href="/assets/js/110.79adf920.js"><link rel="prefetch" href="/assets/js/111.f004fa98.js"><link rel="prefetch" href="/assets/js/112.7d64e61d.js"><link rel="prefetch" href="/assets/js/113.d9fd8b50.js"><link rel="prefetch" href="/assets/js/114.86749be6.js"><link rel="prefetch" href="/assets/js/115.8b4451ab.js"><link rel="prefetch" href="/assets/js/116.2ed43ca0.js"><link rel="prefetch" href="/assets/js/117.680dc7a5.js"><link rel="prefetch" href="/assets/js/118.45917136.js"><link rel="prefetch" href="/assets/js/119.bbdb400c.js"><link rel="prefetch" href="/assets/js/12.4679de68.js"><link rel="prefetch" href="/assets/js/120.b4c8d89b.js"><link rel="prefetch" href="/assets/js/121.021a4693.js"><link rel="prefetch" href="/assets/js/122.62baf384.js"><link rel="prefetch" href="/assets/js/123.b055439b.js"><link rel="prefetch" href="/assets/js/124.d3c9f762.js"><link rel="prefetch" href="/assets/js/125.4a5b64cd.js"><link rel="prefetch" href="/assets/js/126.1fdc7349.js"><link rel="prefetch" href="/assets/js/127.7eef922c.js"><link rel="prefetch" href="/assets/js/128.6c5d32fd.js"><link rel="prefetch" href="/assets/js/129.569d7924.js"><link rel="prefetch" href="/assets/js/13.a5c792cb.js"><link rel="prefetch" href="/assets/js/130.90d026db.js"><link rel="prefetch" href="/assets/js/131.0c6ee1c8.js"><link rel="prefetch" href="/assets/js/132.e22d327d.js"><link rel="prefetch" href="/assets/js/133.6601ad43.js"><link rel="prefetch" href="/assets/js/134.7f6d50ab.js"><link rel="prefetch" href="/assets/js/135.75aff952.js"><link rel="prefetch" href="/assets/js/136.1c9fba56.js"><link rel="prefetch" href="/assets/js/137.3a37431e.js"><link rel="prefetch" href="/assets/js/138.1fb71947.js"><link rel="prefetch" href="/assets/js/139.163c944b.js"><link rel="prefetch" href="/assets/js/14.f2409887.js"><link rel="prefetch" href="/assets/js/140.1b69fe74.js"><link rel="prefetch" href="/assets/js/141.c609de48.js"><link rel="prefetch" href="/assets/js/142.3ac570da.js"><link rel="prefetch" href="/assets/js/143.56f8cc0c.js"><link rel="prefetch" href="/assets/js/144.542136a6.js"><link rel="prefetch" href="/assets/js/145.d5b75d3e.js"><link rel="prefetch" href="/assets/js/146.2cc9442a.js"><link rel="prefetch" href="/assets/js/147.302a6e1d.js"><link rel="prefetch" href="/assets/js/148.53a4e792.js"><link rel="prefetch" href="/assets/js/149.761fbea5.js"><link rel="prefetch" href="/assets/js/15.e2df8f28.js"><link rel="prefetch" href="/assets/js/150.4a79c043.js"><link rel="prefetch" href="/assets/js/151.682152d6.js"><link rel="prefetch" href="/assets/js/152.3d8c8143.js"><link rel="prefetch" href="/assets/js/153.2d9f0adc.js"><link rel="prefetch" href="/assets/js/154.116fc723.js"><link rel="prefetch" href="/assets/js/155.7c7ecf29.js"><link rel="prefetch" href="/assets/js/156.d024023c.js"><link rel="prefetch" href="/assets/js/157.a156ff6d.js"><link rel="prefetch" href="/assets/js/158.1e3c96be.js"><link rel="prefetch" href="/assets/js/159.16c858c5.js"><link rel="prefetch" href="/assets/js/16.590590ab.js"><link rel="prefetch" href="/assets/js/160.fb6b6bc7.js"><link rel="prefetch" href="/assets/js/161.ff5105cc.js"><link rel="prefetch" href="/assets/js/162.4b808981.js"><link rel="prefetch" href="/assets/js/163.56ca83d7.js"><link rel="prefetch" href="/assets/js/164.28c10caa.js"><link rel="prefetch" href="/assets/js/165.754f7842.js"><link rel="prefetch" href="/assets/js/166.9463237d.js"><link rel="prefetch" href="/assets/js/167.64a1b14e.js"><link rel="prefetch" href="/assets/js/168.b0c946e6.js"><link rel="prefetch" href="/assets/js/169.bcaf787e.js"><link rel="prefetch" href="/assets/js/17.048efcd3.js"><link rel="prefetch" href="/assets/js/170.df0945da.js"><link rel="prefetch" href="/assets/js/171.1049e8b4.js"><link rel="prefetch" href="/assets/js/172.b13eb9bb.js"><link rel="prefetch" href="/assets/js/173.4482496d.js"><link rel="prefetch" href="/assets/js/174.1d88db84.js"><link rel="prefetch" href="/assets/js/175.a9e1bd4f.js"><link rel="prefetch" href="/assets/js/176.e51d1a3c.js"><link rel="prefetch" href="/assets/js/177.e0f2d32f.js"><link rel="prefetch" href="/assets/js/178.28f9aa92.js"><link rel="prefetch" href="/assets/js/179.2f4df828.js"><link rel="prefetch" href="/assets/js/18.522bd806.js"><link rel="prefetch" href="/assets/js/180.4e51bf59.js"><link rel="prefetch" href="/assets/js/181.6e5c7ec0.js"><link rel="prefetch" href="/assets/js/182.cb560b46.js"><link rel="prefetch" href="/assets/js/183.00096674.js"><link rel="prefetch" href="/assets/js/184.7a923512.js"><link rel="prefetch" href="/assets/js/185.858bcd43.js"><link rel="prefetch" href="/assets/js/186.08a697d5.js"><link rel="prefetch" href="/assets/js/187.e54a6273.js"><link rel="prefetch" href="/assets/js/188.1bc563de.js"><link rel="prefetch" href="/assets/js/189.304d0e9f.js"><link rel="prefetch" href="/assets/js/19.cfa08450.js"><link rel="prefetch" href="/assets/js/190.edb6c295.js"><link rel="prefetch" href="/assets/js/191.6ba979e7.js"><link rel="prefetch" href="/assets/js/192.e84c90e8.js"><link rel="prefetch" href="/assets/js/193.e5229ad8.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/196.8f944c9f.js"><link rel="prefetch" href="/assets/js/197.f10d48b9.js"><link rel="prefetch" href="/assets/js/198.a2857499.js"><link rel="prefetch" href="/assets/js/199.c680b399.js"><link rel="prefetch" href="/assets/js/20.02900ba2.js"><link rel="prefetch" href="/assets/js/200.d7d89510.js"><link rel="prefetch" href="/assets/js/201.c246f407.js"><link rel="prefetch" href="/assets/js/202.49f59c8e.js"><link rel="prefetch" href="/assets/js/203.f1b19364.js"><link rel="prefetch" href="/assets/js/204.e5fdf9e4.js"><link rel="prefetch" href="/assets/js/205.5a7fc62f.js"><link rel="prefetch" href="/assets/js/206.a416a375.js"><link rel="prefetch" href="/assets/js/207.ad8df2fa.js"><link rel="prefetch" href="/assets/js/208.9a4550d0.js"><link rel="prefetch" href="/assets/js/209.d3ca3c29.js"><link rel="prefetch" href="/assets/js/21.64ebca5a.js"><link rel="prefetch" href="/assets/js/210.f935b769.js"><link rel="prefetch" href="/assets/js/211.fd00753d.js"><link rel="prefetch" href="/assets/js/212.4acbca6f.js"><link rel="prefetch" href="/assets/js/213.daeea575.js"><link rel="prefetch" href="/assets/js/214.42ef2947.js"><link rel="prefetch" href="/assets/js/215.6666d304.js"><link rel="prefetch" href="/assets/js/216.123a92d3.js"><link rel="prefetch" href="/assets/js/217.8abccdff.js"><link rel="prefetch" href="/assets/js/218.f18836de.js"><link rel="prefetch" href="/assets/js/219.54f74f0f.js"><link rel="prefetch" href="/assets/js/22.8cbd8d42.js"><link rel="prefetch" href="/assets/js/220.5f053514.js"><link rel="prefetch" href="/assets/js/221.cec4c756.js"><link rel="prefetch" href="/assets/js/222.d0fd2bc5.js"><link rel="prefetch" href="/assets/js/223.d7b2a5b9.js"><link rel="prefetch" href="/assets/js/224.7a0214a3.js"><link rel="prefetch" href="/assets/js/225.03287e1e.js"><link rel="prefetch" href="/assets/js/226.8d440b93.js"><link rel="prefetch" href="/assets/js/227.b838c577.js"><link rel="prefetch" href="/assets/js/228.92c775c0.js"><link rel="prefetch" href="/assets/js/229.35fd7280.js"><link rel="prefetch" href="/assets/js/23.37782680.js"><link rel="prefetch" href="/assets/js/230.343945f0.js"><link rel="prefetch" href="/assets/js/231.0f61fc67.js"><link rel="prefetch" href="/assets/js/232.09d3dfc2.js"><link rel="prefetch" href="/assets/js/233.7a75bb4e.js"><link rel="prefetch" href="/assets/js/234.46196705.js"><link rel="prefetch" href="/assets/js/235.a049d837.js"><link rel="prefetch" href="/assets/js/236.e0bfb227.js"><link rel="prefetch" href="/assets/js/237.a259b813.js"><link rel="prefetch" href="/assets/js/238.12549d88.js"><link rel="prefetch" href="/assets/js/239.2e4489c2.js"><link rel="prefetch" href="/assets/js/24.d23292bc.js"><link rel="prefetch" href="/assets/js/240.188cf0c0.js"><link rel="prefetch" href="/assets/js/241.99131ea8.js"><link rel="prefetch" href="/assets/js/242.c6d95c9a.js"><link rel="prefetch" href="/assets/js/243.103d962b.js"><link rel="prefetch" href="/assets/js/244.a47006ab.js"><link rel="prefetch" href="/assets/js/245.c255dd47.js"><link rel="prefetch" href="/assets/js/246.02cfa9e3.js"><link rel="prefetch" href="/assets/js/247.c57a9fd5.js"><link rel="prefetch" href="/assets/js/248.3b80d22f.js"><link rel="prefetch" href="/assets/js/249.64cf363a.js"><link rel="prefetch" href="/assets/js/25.cd0d0f82.js"><link rel="prefetch" href="/assets/js/250.c7dd7330.js"><link rel="prefetch" href="/assets/js/251.79ee00b1.js"><link rel="prefetch" href="/assets/js/252.dc88f6f2.js"><link rel="prefetch" href="/assets/js/253.6ae719fd.js"><link rel="prefetch" href="/assets/js/254.091344f7.js"><link rel="prefetch" href="/assets/js/255.47b22290.js"><link rel="prefetch" href="/assets/js/256.32aa2106.js"><link rel="prefetch" href="/assets/js/257.72e1bc41.js"><link rel="prefetch" href="/assets/js/258.16f1c947.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.e80c28d1.js"><link rel="prefetch" href="/assets/js/261.22125fa7.js"><link rel="prefetch" href="/assets/js/262.bc178ad1.js"><link rel="prefetch" href="/assets/js/263.4f2dfee1.js"><link rel="prefetch" href="/assets/js/264.70c1286d.js"><link rel="prefetch" href="/assets/js/265.8d65224d.js"><link rel="prefetch" href="/assets/js/266.55f4e29e.js"><link rel="prefetch" href="/assets/js/267.189c484f.js"><link rel="prefetch" href="/assets/js/268.139ec902.js"><link rel="prefetch" href="/assets/js/269.bc95a278.js"><link rel="prefetch" href="/assets/js/27.ba820b3d.js"><link rel="prefetch" href="/assets/js/270.c71ff59b.js"><link rel="prefetch" href="/assets/js/271.c5a85e86.js"><link rel="prefetch" href="/assets/js/272.b4457799.js"><link rel="prefetch" href="/assets/js/273.a8c5a865.js"><link rel="prefetch" href="/assets/js/274.b89d6288.js"><link rel="prefetch" href="/assets/js/275.5a377690.js"><link rel="prefetch" href="/assets/js/276.cef75513.js"><link rel="prefetch" href="/assets/js/277.3839ebd2.js"><link rel="prefetch" href="/assets/js/278.18766065.js"><link rel="prefetch" href="/assets/js/279.50ac2212.js"><link rel="prefetch" href="/assets/js/28.b9c6f07f.js"><link rel="prefetch" href="/assets/js/280.9af31918.js"><link rel="prefetch" href="/assets/js/281.23ac057d.js"><link rel="prefetch" href="/assets/js/282.b320979a.js"><link rel="prefetch" href="/assets/js/283.9d7f6a45.js"><link rel="prefetch" href="/assets/js/284.88880c84.js"><link rel="prefetch" href="/assets/js/285.68f3b0ea.js"><link rel="prefetch" href="/assets/js/286.5b5f2610.js"><link rel="prefetch" href="/assets/js/287.297e880f.js"><link rel="prefetch" href="/assets/js/288.4ac88db7.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.d8da4ced.js"><link rel="prefetch" href="/assets/js/292.f22b2fc1.js"><link rel="prefetch" href="/assets/js/293.311fbb0c.js"><link rel="prefetch" href="/assets/js/294.ba43c659.js"><link rel="prefetch" href="/assets/js/295.8dd3e944.js"><link rel="prefetch" href="/assets/js/296.43120e6c.js"><link rel="prefetch" href="/assets/js/297.bcc6ae09.js"><link rel="prefetch" href="/assets/js/298.ae18a3c8.js"><link rel="prefetch" href="/assets/js/299.d185230c.js"><link rel="prefetch" href="/assets/js/30.144a5c6c.js"><link rel="prefetch" href="/assets/js/300.0c3a88f8.js"><link rel="prefetch" href="/assets/js/301.93e00a4e.js"><link rel="prefetch" href="/assets/js/302.9412a3b3.js"><link rel="prefetch" href="/assets/js/303.3975d83a.js"><link rel="prefetch" href="/assets/js/304.1210c98e.js"><link rel="prefetch" href="/assets/js/305.806eed6b.js"><link rel="prefetch" href="/assets/js/306.d785d0fd.js"><link rel="prefetch" href="/assets/js/307.a9831dfc.js"><link rel="prefetch" href="/assets/js/308.78c9e810.js"><link rel="prefetch" href="/assets/js/309.1ef7e861.js"><link rel="prefetch" href="/assets/js/31.03034f21.js"><link rel="prefetch" href="/assets/js/310.8be7df64.js"><link rel="prefetch" href="/assets/js/311.d3d5d934.js"><link rel="prefetch" href="/assets/js/312.ea1f6a7f.js"><link rel="prefetch" href="/assets/js/313.1053ac69.js"><link rel="prefetch" href="/assets/js/314.dca1de82.js"><link rel="prefetch" href="/assets/js/315.c846db67.js"><link rel="prefetch" href="/assets/js/316.f07ccbcd.js"><link rel="prefetch" href="/assets/js/317.c1c4215f.js"><link rel="prefetch" href="/assets/js/318.93d7a89e.js"><link rel="prefetch" href="/assets/js/319.5f132fa7.js"><link rel="prefetch" href="/assets/js/32.0ccdc5ef.js"><link rel="prefetch" href="/assets/js/320.c405ba19.js"><link rel="prefetch" href="/assets/js/321.b30a0ff7.js"><link rel="prefetch" href="/assets/js/322.c6755982.js"><link rel="prefetch" href="/assets/js/323.8d3981f3.js"><link rel="prefetch" href="/assets/js/324.af715a37.js"><link rel="prefetch" href="/assets/js/325.e5cb1d41.js"><link rel="prefetch" href="/assets/js/326.9e5584da.js"><link rel="prefetch" href="/assets/js/327.f732b4a7.js"><link rel="prefetch" href="/assets/js/328.2462b58c.js"><link rel="prefetch" href="/assets/js/329.83e7a0a5.js"><link rel="prefetch" href="/assets/js/33.d61b6eeb.js"><link rel="prefetch" href="/assets/js/330.b9ea688b.js"><link rel="prefetch" href="/assets/js/331.831bac21.js"><link rel="prefetch" href="/assets/js/332.7cc246b4.js"><link rel="prefetch" href="/assets/js/333.2679a56a.js"><link rel="prefetch" href="/assets/js/334.b4f18117.js"><link rel="prefetch" href="/assets/js/335.e2babbd6.js"><link rel="prefetch" href="/assets/js/336.258564dc.js"><link rel="prefetch" href="/assets/js/337.81529dc2.js"><link rel="prefetch" href="/assets/js/338.7925606c.js"><link rel="prefetch" href="/assets/js/339.16ca6b50.js"><link rel="prefetch" href="/assets/js/34.9f04d909.js"><link rel="prefetch" href="/assets/js/340.85b20b7f.js"><link rel="prefetch" href="/assets/js/341.626acd05.js"><link rel="prefetch" href="/assets/js/342.3950cb93.js"><link rel="prefetch" href="/assets/js/343.a9c0b30c.js"><link rel="prefetch" href="/assets/js/344.dea6404e.js"><link rel="prefetch" href="/assets/js/345.f7d5b25a.js"><link rel="prefetch" href="/assets/js/346.f7c4c049.js"><link rel="prefetch" href="/assets/js/347.ac0f7d1f.js"><link rel="prefetch" href="/assets/js/348.cf9bc1e8.js"><link rel="prefetch" href="/assets/js/349.dc837dbc.js"><link rel="prefetch" href="/assets/js/35.c696ae70.js"><link rel="prefetch" href="/assets/js/350.e1bd8788.js"><link rel="prefetch" href="/assets/js/351.6203216f.js"><link rel="prefetch" href="/assets/js/352.25798214.js"><link rel="prefetch" href="/assets/js/353.63e02651.js"><link rel="prefetch" href="/assets/js/354.86e99815.js"><link rel="prefetch" href="/assets/js/355.269ce5c5.js"><link rel="prefetch" href="/assets/js/356.290aeb24.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.e0051705.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.af72f786.js"><link rel="prefetch" href="/assets/js/363.47a05623.js"><link rel="prefetch" href="/assets/js/364.4fd36582.js"><link rel="prefetch" href="/assets/js/365.2a61268d.js"><link rel="prefetch" href="/assets/js/366.4c1f28a4.js"><link rel="prefetch" href="/assets/js/367.c2c6ea52.js"><link rel="prefetch" href="/assets/js/368.fcec98aa.js"><link rel="prefetch" href="/assets/js/369.319f7d9c.js"><link rel="prefetch" href="/assets/js/37.3351af87.js"><link rel="prefetch" href="/assets/js/370.28b63199.js"><link rel="prefetch" href="/assets/js/371.3ba0d58a.js"><link rel="prefetch" href="/assets/js/372.967bc3e0.js"><link rel="prefetch" href="/assets/js/373.d577b9f0.js"><link rel="prefetch" href="/assets/js/374.911c4a39.js"><link rel="prefetch" href="/assets/js/375.bb841a15.js"><link rel="prefetch" href="/assets/js/376.f1a1a23d.js"><link rel="prefetch" href="/assets/js/377.5c4fc729.js"><link rel="prefetch" href="/assets/js/378.272d8307.js"><link rel="prefetch" href="/assets/js/379.ef16c521.js"><link rel="prefetch" href="/assets/js/38.2a8a54bb.js"><link rel="prefetch" href="/assets/js/380.40ed01db.js"><link rel="prefetch" href="/assets/js/381.cd4c8153.js"><link rel="prefetch" href="/assets/js/382.becd5567.js"><link rel="prefetch" href="/assets/js/383.7e98022d.js"><link rel="prefetch" href="/assets/js/384.39179664.js"><link rel="prefetch" href="/assets/js/385.3ca55ccf.js"><link rel="prefetch" href="/assets/js/386.07ea344a.js"><link rel="prefetch" href="/assets/js/387.2f599730.js"><link rel="prefetch" href="/assets/js/388.da5e7587.js"><link rel="prefetch" href="/assets/js/389.d70d34ac.js"><link rel="prefetch" href="/assets/js/39.c4ffbab0.js"><link rel="prefetch" href="/assets/js/390.d0e96c54.js"><link rel="prefetch" href="/assets/js/391.29f8395a.js"><link rel="prefetch" href="/assets/js/392.28382439.js"><link rel="prefetch" href="/assets/js/393.55d01b57.js"><link rel="prefetch" href="/assets/js/394.9238cc28.js"><link rel="prefetch" href="/assets/js/395.8f23b199.js"><link rel="prefetch" href="/assets/js/396.58bc040b.js"><link rel="prefetch" href="/assets/js/397.dc8c7352.js"><link rel="prefetch" href="/assets/js/398.13484bba.js"><link rel="prefetch" href="/assets/js/399.a177630e.js"><link rel="prefetch" href="/assets/js/4.06d2a3f5.js"><link rel="prefetch" href="/assets/js/40.ea5c8866.js"><link rel="prefetch" href="/assets/js/400.a619f5c0.js"><link rel="prefetch" href="/assets/js/401.fbc38248.js"><link rel="prefetch" href="/assets/js/402.11c5e2ca.js"><link rel="prefetch" href="/assets/js/403.e6c8d321.js"><link rel="prefetch" href="/assets/js/404.24f2588c.js"><link rel="prefetch" href="/assets/js/405.83f6961a.js"><link rel="prefetch" href="/assets/js/406.11f70cce.js"><link rel="prefetch" href="/assets/js/407.c5c902cf.js"><link rel="prefetch" href="/assets/js/408.31aeca70.js"><link rel="prefetch" href="/assets/js/409.89c89e6b.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.c8813216.js"><link rel="prefetch" href="/assets/js/412.d3598aa1.js"><link rel="prefetch" href="/assets/js/413.06b59480.js"><link rel="prefetch" href="/assets/js/414.5e05b986.js"><link rel="prefetch" href="/assets/js/415.c13be721.js"><link rel="prefetch" href="/assets/js/416.82f034d9.js"><link rel="prefetch" href="/assets/js/417.9f332851.js"><link rel="prefetch" href="/assets/js/418.2aac3009.js"><link rel="prefetch" href="/assets/js/419.114734a8.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/421.034d8e57.js"><link rel="prefetch" href="/assets/js/422.58fd02e5.js"><link rel="prefetch" href="/assets/js/423.0efb5cca.js"><link rel="prefetch" href="/assets/js/424.7871b00a.js"><link rel="prefetch" href="/assets/js/425.ab76fd47.js"><link rel="prefetch" href="/assets/js/426.ba1f7c69.js"><link rel="prefetch" href="/assets/js/427.06cbe3f9.js"><link rel="prefetch" href="/assets/js/428.f5ca9583.js"><link rel="prefetch" href="/assets/js/429.8c736500.js"><link rel="prefetch" href="/assets/js/43.cf663bf1.js"><link rel="prefetch" href="/assets/js/430.04ed435e.js"><link rel="prefetch" href="/assets/js/431.f1807bfb.js"><link rel="prefetch" href="/assets/js/432.c88f993e.js"><link rel="prefetch" href="/assets/js/433.dea58f16.js"><link rel="prefetch" href="/assets/js/434.5f5eb5b5.js"><link rel="prefetch" href="/assets/js/435.9f553cea.js"><link rel="prefetch" href="/assets/js/436.b2fa1e45.js"><link rel="prefetch" href="/assets/js/437.e721bf62.js"><link rel="prefetch" href="/assets/js/439.87de6183.js"><link rel="prefetch" href="/assets/js/44.0e34047e.js"><link rel="prefetch" href="/assets/js/440.b895f1fe.js"><link rel="prefetch" href="/assets/js/441.3bce664b.js"><link rel="prefetch" href="/assets/js/442.16738a41.js"><link rel="prefetch" href="/assets/js/443.ff133e10.js"><link rel="prefetch" href="/assets/js/444.ff74799d.js"><link rel="prefetch" href="/assets/js/445.c1359c2d.js"><link rel="prefetch" href="/assets/js/446.c6c8be6f.js"><link rel="prefetch" href="/assets/js/447.00d171da.js"><link rel="prefetch" href="/assets/js/448.909b4b97.js"><link rel="prefetch" href="/assets/js/449.cb2c50b5.js"><link rel="prefetch" href="/assets/js/45.fb861863.js"><link rel="prefetch" href="/assets/js/450.61e823d9.js"><link rel="prefetch" href="/assets/js/451.cf106469.js"><link rel="prefetch" href="/assets/js/452.4142ea87.js"><link rel="prefetch" href="/assets/js/453.763b41fe.js"><link rel="prefetch" href="/assets/js/454.7695e869.js"><link rel="prefetch" href="/assets/js/455.85fd227a.js"><link rel="prefetch" href="/assets/js/456.a3713c52.js"><link rel="prefetch" href="/assets/js/457.3b4f3457.js"><link rel="prefetch" href="/assets/js/458.cc0418be.js"><link rel="prefetch" href="/assets/js/459.487e6931.js"><link rel="prefetch" href="/assets/js/46.3d64cb2a.js"><link rel="prefetch" href="/assets/js/460.7037e334.js"><link rel="prefetch" href="/assets/js/461.4ec26bd9.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/464.479f97ec.js"><link rel="prefetch" href="/assets/js/465.9865dd17.js"><link rel="prefetch" href="/assets/js/466.2658343a.js"><link rel="prefetch" href="/assets/js/467.f4113a48.js"><link rel="prefetch" href="/assets/js/468.a457ddc3.js"><link rel="prefetch" href="/assets/js/469.fb64e2cf.js"><link rel="prefetch" href="/assets/js/47.2d120101.js"><link rel="prefetch" href="/assets/js/470.ffd1b69f.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.a43755e2.js"><link rel="prefetch" href="/assets/js/475.9886be94.js"><link rel="prefetch" href="/assets/js/476.98d25300.js"><link rel="prefetch" href="/assets/js/477.79fcb3ec.js"><link rel="prefetch" href="/assets/js/478.deb95543.js"><link rel="prefetch" href="/assets/js/479.88dbb260.js"><link rel="prefetch" href="/assets/js/48.d24599f6.js"><link rel="prefetch" href="/assets/js/480.f3da57b5.js"><link rel="prefetch" href="/assets/js/481.1dc3925b.js"><link rel="prefetch" href="/assets/js/482.1f68aca9.js"><link rel="prefetch" href="/assets/js/483.7991d894.js"><link rel="prefetch" href="/assets/js/484.b90c8dd7.js"><link rel="prefetch" href="/assets/js/485.a8e29149.js"><link rel="prefetch" href="/assets/js/486.1508e319.js"><link rel="prefetch" href="/assets/js/487.ef949cb1.js"><link rel="prefetch" href="/assets/js/488.12c89fbc.js"><link rel="prefetch" href="/assets/js/489.4af006de.js"><link rel="prefetch" href="/assets/js/49.fee95252.js"><link rel="prefetch" href="/assets/js/490.07d9feec.js"><link rel="prefetch" href="/assets/js/491.f398cc80.js"><link rel="prefetch" href="/assets/js/492.edfa0751.js"><link rel="prefetch" href="/assets/js/493.0dfe1427.js"><link rel="prefetch" href="/assets/js/494.0e40615c.js"><link rel="prefetch" href="/assets/js/495.c694d5b0.js"><link rel="prefetch" href="/assets/js/496.6829b739.js"><link rel="prefetch" href="/assets/js/497.e63d4aba.js"><link rel="prefetch" href="/assets/js/498.90b4d684.js"><link rel="prefetch" href="/assets/js/499.8affb1f6.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/500.422ac304.js"><link rel="prefetch" href="/assets/js/501.e940222f.js"><link rel="prefetch" href="/assets/js/502.a60a7a7b.js"><link rel="prefetch" href="/assets/js/503.b87275e9.js"><link rel="prefetch" href="/assets/js/504.8bbaed70.js"><link rel="prefetch" href="/assets/js/505.015161fc.js"><link rel="prefetch" href="/assets/js/506.da89059a.js"><link rel="prefetch" href="/assets/js/507.16e7589a.js"><link rel="prefetch" href="/assets/js/508.66eca07a.js"><link rel="prefetch" href="/assets/js/509.aca32857.js"><link rel="prefetch" href="/assets/js/51.82e12c0c.js"><link rel="prefetch" href="/assets/js/510.df62eeaa.js"><link rel="prefetch" href="/assets/js/511.90fa4bae.js"><link rel="prefetch" href="/assets/js/512.65dc78dd.js"><link rel="prefetch" href="/assets/js/513.58636693.js"><link rel="prefetch" href="/assets/js/514.fbf49aea.js"><link rel="prefetch" href="/assets/js/515.c6c2bee5.js"><link rel="prefetch" href="/assets/js/516.71cffffc.js"><link rel="prefetch" href="/assets/js/517.9f3641fe.js"><link rel="prefetch" href="/assets/js/518.93d929fe.js"><link rel="prefetch" href="/assets/js/519.a42b6832.js"><link rel="prefetch" href="/assets/js/52.07f45a2d.js"><link rel="prefetch" href="/assets/js/520.c4253a4c.js"><link rel="prefetch" href="/assets/js/521.d42a7277.js"><link rel="prefetch" href="/assets/js/522.8d30661f.js"><link rel="prefetch" href="/assets/js/523.80a78c0e.js"><link rel="prefetch" href="/assets/js/524.262578ab.js"><link rel="prefetch" href="/assets/js/525.c30e8403.js"><link rel="prefetch" href="/assets/js/53.93b1709a.js"><link rel="prefetch" href="/assets/js/54.848b2264.js"><link rel="prefetch" href="/assets/js/55.8aa2cf33.js"><link rel="prefetch" href="/assets/js/56.f33c89be.js"><link rel="prefetch" href="/assets/js/57.fd7859a4.js"><link rel="prefetch" href="/assets/js/58.9164317e.js"><link rel="prefetch" href="/assets/js/59.2121c943.js"><link rel="prefetch" href="/assets/js/6.d37d398a.js"><link rel="prefetch" href="/assets/js/60.cd75b6b6.js"><link rel="prefetch" href="/assets/js/61.baeaa6d0.js"><link rel="prefetch" href="/assets/js/62.fe42a718.js"><link rel="prefetch" href="/assets/js/63.1966bf15.js"><link rel="prefetch" href="/assets/js/64.52136b1f.js"><link rel="prefetch" href="/assets/js/65.88e74e5c.js"><link rel="prefetch" href="/assets/js/66.705c68a4.js"><link rel="prefetch" href="/assets/js/67.7e97b055.js"><link rel="prefetch" href="/assets/js/68.05fa411c.js"><link rel="prefetch" href="/assets/js/69.69962e06.js"><link rel="prefetch" href="/assets/js/7.8c733af6.js"><link rel="prefetch" href="/assets/js/70.c6b85272.js"><link rel="prefetch" href="/assets/js/71.d58561d2.js"><link rel="prefetch" href="/assets/js/72.056ba678.js"><link rel="prefetch" href="/assets/js/73.0fa59ff6.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/77.15e15bb9.js"><link rel="prefetch" href="/assets/js/78.7d3229e6.js"><link rel="prefetch" href="/assets/js/79.994c527d.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/81.1858fc7e.js"><link rel="prefetch" href="/assets/js/82.203909da.js"><link rel="prefetch" href="/assets/js/83.a6794b4c.js"><link rel="prefetch" href="/assets/js/84.13db35cf.js"><link rel="prefetch" href="/assets/js/85.95403ad3.js"><link rel="prefetch" href="/assets/js/86.624df956.js"><link rel="prefetch" href="/assets/js/87.c6b315a7.js"><link rel="prefetch" href="/assets/js/88.d61bfb24.js"><link rel="prefetch" href="/assets/js/89.f3c224d1.js"><link rel="prefetch" href="/assets/js/9.30a5e737.js"><link rel="prefetch" href="/assets/js/90.890241fd.js"><link rel="prefetch" href="/assets/js/91.5eeaa770.js"><link rel="prefetch" href="/assets/js/92.bf0bf8a0.js"><link rel="prefetch" href="/assets/js/93.f297b955.js"><link rel="prefetch" href="/assets/js/94.78cb0956.js"><link rel="prefetch" href="/assets/js/95.11940531.js"><link rel="prefetch" href="/assets/js/96.31d21962.js"><link rel="prefetch" href="/assets/js/97.bf5a9c12.js"><link rel="prefetch" href="/assets/js/98.2284725e.js"><link rel="prefetch" href="/assets/js/99.f620605e.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/V0.11.x/Server/Cluster Setup.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.11.x/Server/Cluster Setup.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/V0.11.x/Server/Cluster Setup.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.11.x/Server/Cluster Setup.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 (V0.11.x)</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/V0.11.x/Server/Download.html" class="sidebar-link">下载</a></li><li><a href="/zh/UserGuide/V0.11.x/Server/Single Node Setup.html" class="sidebar-link">单节点安装</a></li><li><a href="/zh/UserGuide/V0.11.x/Server/Cluster Setup.html" class="active sidebar-link">集群设置</a></li><li><a href="/zh/UserGuide/V0.11.x/Server/Config Manual.html" class="sidebar-link">配置手册</a></li><li><a href="/zh/UserGuide/V0.11.x/Server/Docker Image.html" class="sidebar-link">Docker镜像</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="集群设置"><a href="#集群设置" class="header-anchor">#</a> 集群设置</h1> <p>安装环境请参考<a href="/zh/UserGuide/V0.11.x/Get Started/QuickStart.html">安装环境</a></p> <h2 id="集群环境搭建"><a href="#集群环境搭建" class="header-anchor">#</a> 集群环境搭建</h2> <p>您可以搭建伪分布式模式或是分布式模式的集群，伪分布式模式和分布式模式的主要区别是配置文件中<code>seed_nodes</code>的不同，配置项含义请参考<a href="#%E9%85%8D%E7%BD%AE%E9%A1%B9">配置项</a>。 |
| 启动其中一个节点的服务，需要执行如下命令：</p> <div class="language-bash line-numbers-mode"><pre class="language-bash"><code><span class="token comment"># Unix/OS X</span> |
| <span class="token operator">></span> <span class="token function">nohup</span> sbin/start-node.sh <span class="token operator">></span>/dev/null <span class="token operator"><span class="token file-descriptor important">2</span>></span><span class="token file-descriptor important">&1</span> <span class="token operator">&</span> |
| or |
| <span class="token operator">></span> <span class="token function">nohup</span> sbin/start-node.sh -c <span class="token operator"><</span>conf_path<span class="token operator">></span> -internal_meta_port <span class="token number">9003</span> <span class="token operator">></span>/dev/null <span class="token operator"><span class="token file-descriptor important">2</span>></span><span class="token file-descriptor important">&1</span> <span class="token operator">&</span> |
| |
| <span class="token comment"># Windows</span> |
| <span class="token operator">></span> <span class="token function">nohup</span> sbin/start-node.bat |
| or |
| <span class="token operator">></span> <span class="token function">nohup</span> sbin/start-node.bat -c <span class="token operator"><</span>conf_path<span class="token operator">></span> -internal_meta_port <span class="token number">9003</span> |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br></div></div><p><code>-c <conf_path></code>使用<code>conf_path</code>文件夹里面的配置文件覆盖默认配置文件; <code>-internal_meta_port 9003</code>覆盖特定配置项<code>internal_meta_port</code>的配置， |
| 目前支持的启动覆盖原有配置的配置项有： |
| <code>internal_meta_port、internal_data_port、cluster_rpc_port、seed_nodes</code>。当配置文件和配置项都被指定的时候，指定配置项的配置会覆盖配置文件中的配置。</p> <h2 id="配置项"><a href="#配置项" class="header-anchor">#</a> 配置项</h2> <p>为方便IoTDB Server的配置与管理，IoTDB Server为用户提供三种配置项，使得您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4个文件，分别为：<code>iotdb-cluster.properties</code>、<code>iotdb-engine.properties</code>、<code>logback.xml</code> 和 <code>cluster-env.sh</code>(Unix系统)/<code>cluster-env.bat</code>(Windows系统), 您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>cluster-env.sh</code>/<code>cluster-env.bat</code>：环境配置项的默认配置文件。您可以在文件中配置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。您可以在文件中配置IoTDB引擎运行时的相关参数。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前的缓存大小(<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> <li><p><code>logback.xml</code>: 日志配置文件，比如日志级别等。</p></li> <li><p><code>iotdb-cluster.properties</code>: IoTDB集群所需要的一些配置。</p></li></ul> <p><code>iotdb-engine.properties</code>、<code>cluster-env.sh</code>/<code>cluster-env.bat</code> 两个配置文件详细说明请参考<a href="/zh/UserGuide/V0.11.x/Server/Config Manual.html">配置手册</a>，下面描述的配置项是在<code>iotdb-cluster.properties</code>文件中的。</p> <ul><li>internal_meta_port</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">internal_meta_port</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">IoTDB meta服务端口，用于元数据组（又称集群管理组）通信，元数据组管理集群配置和存储组信息<strong>IoTDB将为每个meta服务自动创建心跳端口。默认meta服务心跳端口为<code>internal_meta_port+1</code>，请确认这两个端口不是系统保留端口并且未被占用</strong></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;">9003</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，集群建立后不可再修改</td></tr></tbody></table> <ul><li>internal_data_port</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">internal_data_port</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">IoTDB data服务端口，用于数据组通信，数据组管理数据模式和数据的存储<strong>IoTDB将为每个data服务自动创建心跳端口。默认的data服务心跳端口为<code>internal_data_port+1</code>。请确认这两个端口不是系统保留端口并且未被占用</strong></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;">40010</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，集群建立后不可再修改</td></tr></tbody></table> <ul><li>cluster_rpc_port</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">cluster_rpc_port</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">与客户端（JDBC，Session API， CLI等）通信的端口，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;">Int32</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">55560</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>seed_nodes</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">seed_nodes</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">集群中节点的地址，<code>{IP/DOMAIN}:internal\_meta\_port:internal\_data\_port</code>格式，用逗号分割；对于伪分布式模式，可以都填写<code>localhost</code>，或是<code>127.0.0.1</code> 或是混合填写，但是不能够出现真实的ip地址；对于分布式模式，支持填写real ip 或是hostname，但是不能够出现<code>localhost</code>或是<code>127.0.0.1</code>。当使用<code>start-node.sh(.bat)</code>启动节点时，此配置意味着形成初始群集的节点，每个节点的<code>seed_nodes</code>应该一致，否则群集将初始化失败；当使用<code>add-node.sh(.bat)</code>添加节点到集群中时，此配置项可以是集群中已经存在的任何节点，不需要是用<code>start-node.sh(bat)</code>构建初始集群的节点。</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;">127.0.0.1:9003:40010,127.0.0.1:9005:40012,127.0.0.1:9007:40014</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;">是否开启thrift压缩通信，<strong>注意这个参数要各个节点保持一致，也要与客户端保持一致，同时也要与<code>iotdb-engine.properties</code>中<code>rpc_thrift_compression_enable</code>参数保持一致</strong></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，需要整个集群同时更改</td></tr></tbody></table> <ul><li>default_replica_num</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">default_replica_num</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">集群副本数</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;">2</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务器生效，集群建立后不可更改</td></tr></tbody></table> <ul><li>cluster_name</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">cluster_name</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">集群名称，集群名称用以标识不同的集群，<strong>一个集群中所有节点的cluster_name都应相同</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;">default</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>connection_timeout_ms</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">connection_timeout_ms</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">同一个raft组各个节点之间的心跳超时时间，单位毫秒</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Int32</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">20000</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>read_operation_timeout_ms</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">read_operation_timeout_ms</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">读取操作超时时间，仅用于内部通信，不适用于整个操作，单位毫秒</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Int32</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">30000</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务器生效</td></tr></tbody></table> <ul><li>write_operation_timeout_ms</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">write_operation_timeout_ms</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">写入操作超时时间，仅用于内部通信，不适用于整个操作，单位毫秒</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Int32</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">30000</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务器生效</td></tr></tbody></table> <ul><li>min_num_of_logs_in_mem</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">min_num_of_logs_in_mem</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">删除日志操作执行后，内存中保留的最多的提交的日志的数量。增大这个值将减少在CatchUp使用快照的机会，但也会增加内存占用量</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;">100</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务器生效</td></tr></tbody></table> <ul><li>max_num_of_logs_in_mem</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">max_num_of_logs_in_mem</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">当内存中已提交的日志条数达到这个值之后，就会触发删除日志的操作，增大这个值将减少在CatchUp使用快照的机会，但也会增加内存占用量</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;">1000</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务器生效</td></tr></tbody></table> <ul><li>log_deletion_check_interval_second</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">log_deletion_check_interval_second</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">检查删除日志任务的时间间隔，每次删除日志任务将会把已提交日志超过min_num_of_logs_in_mem条的最老部分删除，单位秒</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Int32</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">60</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_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;">是否支持自动创建schema，<strong>这个值会覆盖<code>iotdb-engine.properties</code>中<code>enable_auto_create_schema</code>的配置</strong></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>consistency_level</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">consistency_level</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">读一致性，目前支持3种一致性：strong、mid、weak。strong consistency每次操作都会尝试与Leader同步以获取最新的数据，如果失败（超时），则直接向用户返回错误； mid consistency每次操作将首先尝试与Leader进行同步，但是如果失败（超时），它将使用本地当前数据向用户提供服务； weak consistency不会与Leader进行同步，而只是使用本地数据向用户提供服务</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">strong、mid、weak</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">mid</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>is_enable_raft_log_persistence</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">is_enable_raft_log_persistence</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">是否开启raft log持久化</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> <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<code>printgc</code>参数：</p> <div class="language-bash line-numbers-mode"><pre class="language-bash"><code><span class="token function">nohup</span> sbin/start-node.sh printgc <span class="token operator">></span>/dev/null <span class="token operator"><span class="token file-descriptor important">2</span>></span><span class="token file-descriptor important">&1</span> <span class="token operator">&</span> |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>或者</p> <div class="language-bash line-numbers-mode"><pre class="language-bash"><code>sbin<span class="token punctuation">\</span>start-node.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/</code>下面。</p></div> <div class="page-nav"><p class="inner"><span class="prev"> |
| ← |
| <a href="/zh/UserGuide/V0.11.x/Server/Single Node Setup.html" class="prev"> |
| 单节点安装 |
| </a></span> <span class="next"><a href="/zh/UserGuide/V0.11.x/Server/Config Manual.html"> |
| 配置手册 |
| </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.04ff6ebb.js" defer></script><script src="/assets/js/3.49f0f20a.js" defer></script><script src="/assets/js/438.e51e3319.js" defer></script> |
| </body> |
| </html> |
