| <!DOCTYPE html> |
| <html lang="en-US"> |
| <head> |
| <meta charset="utf-8"> |
| <meta name="viewport" content="width=device-width,initial-scale=1"> |
| <title> </title> |
| <meta name="generator" content="VuePress 1.8.2"> |
| <link rel="icon" href="/favicon.ico"> |
| <meta name="description" content=" "> |
| <meta name="Description" content="Apache IoTDB: Time Series Database for IoT"> |
| <meta name="Keywords" content="TSDB, time series, time series database, IoTDB, IoT database, IoT data management,时序数据库, 时间序列管理, IoTDB, 物联网数据库, 实时数据库, 物联网数据管理, 物联网数据"> |
| <meta name="baidu-site-verification" content="wfKETzB3OT"> |
| <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo"> |
| |
| <link rel="preload" href="/assets/css/0.styles.ccadf850.css" as="style"><link rel="preload" href="/assets/js/app.821c382f.js" as="script"><link rel="preload" href="/assets/js/3.5626571b.js" as="script"><link rel="preload" href="/assets/js/192.a281a87e.js" as="script"><link rel="prefetch" href="/assets/js/10.77e7d27b.js"><link rel="prefetch" href="/assets/js/100.ed95c785.js"><link rel="prefetch" href="/assets/js/101.824eb728.js"><link rel="prefetch" href="/assets/js/102.dfb385f3.js"><link rel="prefetch" href="/assets/js/103.b7b3c8f1.js"><link rel="prefetch" href="/assets/js/104.522d3ff0.js"><link rel="prefetch" href="/assets/js/105.b7388386.js"><link rel="prefetch" href="/assets/js/106.846b6bd8.js"><link rel="prefetch" href="/assets/js/107.2d9463c3.js"><link rel="prefetch" href="/assets/js/108.f245629a.js"><link rel="prefetch" href="/assets/js/109.69c25b06.js"><link rel="prefetch" href="/assets/js/11.a080efae.js"><link rel="prefetch" href="/assets/js/110.530a3a98.js"><link rel="prefetch" href="/assets/js/111.3b7a3ac1.js"><link rel="prefetch" href="/assets/js/112.f3812269.js"><link rel="prefetch" href="/assets/js/113.46505989.js"><link rel="prefetch" href="/assets/js/114.475c17a1.js"><link rel="prefetch" href="/assets/js/115.8b6c6d92.js"><link rel="prefetch" href="/assets/js/116.b394d6f1.js"><link rel="prefetch" href="/assets/js/117.31310d35.js"><link rel="prefetch" href="/assets/js/118.a42ab86c.js"><link rel="prefetch" href="/assets/js/119.07c43a65.js"><link rel="prefetch" href="/assets/js/12.30292c04.js"><link rel="prefetch" href="/assets/js/120.95c8a45a.js"><link rel="prefetch" href="/assets/js/121.163834bb.js"><link rel="prefetch" href="/assets/js/122.99015e01.js"><link rel="prefetch" href="/assets/js/123.b63b10d4.js"><link rel="prefetch" href="/assets/js/124.e5fcecb4.js"><link rel="prefetch" href="/assets/js/125.5d156960.js"><link rel="prefetch" href="/assets/js/126.21af8edc.js"><link rel="prefetch" href="/assets/js/127.94f1a74a.js"><link rel="prefetch" href="/assets/js/128.a5e03b1e.js"><link rel="prefetch" href="/assets/js/129.70d26ee1.js"><link rel="prefetch" href="/assets/js/13.ca90848f.js"><link rel="prefetch" href="/assets/js/130.866c33c2.js"><link rel="prefetch" href="/assets/js/131.e5ec8d01.js"><link rel="prefetch" href="/assets/js/132.1b2366a0.js"><link rel="prefetch" href="/assets/js/133.ad89487a.js"><link rel="prefetch" href="/assets/js/134.747a93d6.js"><link rel="prefetch" href="/assets/js/135.1e490c8b.js"><link rel="prefetch" href="/assets/js/136.8dacb951.js"><link rel="prefetch" href="/assets/js/137.4b220326.js"><link rel="prefetch" href="/assets/js/138.29265d0b.js"><link rel="prefetch" href="/assets/js/139.5ffbc26e.js"><link rel="prefetch" href="/assets/js/14.0518f057.js"><link rel="prefetch" href="/assets/js/140.bb3cd28c.js"><link rel="prefetch" href="/assets/js/141.f4cd2178.js"><link rel="prefetch" href="/assets/js/142.a070f8e2.js"><link rel="prefetch" href="/assets/js/143.9299561a.js"><link rel="prefetch" href="/assets/js/144.1f503a67.js"><link rel="prefetch" href="/assets/js/145.1c62a4d0.js"><link rel="prefetch" href="/assets/js/146.97d3e6eb.js"><link rel="prefetch" href="/assets/js/147.fdd69e02.js"><link rel="prefetch" href="/assets/js/148.542d0570.js"><link rel="prefetch" href="/assets/js/149.b6a0c0c4.js"><link rel="prefetch" href="/assets/js/15.0953eb10.js"><link rel="prefetch" href="/assets/js/150.47f1d515.js"><link rel="prefetch" href="/assets/js/151.52b9bd4e.js"><link rel="prefetch" href="/assets/js/152.d54e94e7.js"><link rel="prefetch" href="/assets/js/153.a3cb7b45.js"><link rel="prefetch" href="/assets/js/154.21b3e81c.js"><link rel="prefetch" href="/assets/js/155.8e74c6d3.js"><link rel="prefetch" href="/assets/js/156.f8866900.js"><link rel="prefetch" href="/assets/js/157.cceecfd1.js"><link rel="prefetch" href="/assets/js/158.f5424810.js"><link rel="prefetch" href="/assets/js/159.969149d7.js"><link rel="prefetch" href="/assets/js/16.be3a02b8.js"><link rel="prefetch" href="/assets/js/160.78670d5a.js"><link rel="prefetch" href="/assets/js/161.6ac36ecc.js"><link rel="prefetch" href="/assets/js/162.8e8f0b7a.js"><link rel="prefetch" href="/assets/js/163.be160611.js"><link rel="prefetch" href="/assets/js/164.f3391f5c.js"><link rel="prefetch" href="/assets/js/165.a50ca901.js"><link rel="prefetch" href="/assets/js/166.7e46ca06.js"><link rel="prefetch" href="/assets/js/167.e906027a.js"><link rel="prefetch" href="/assets/js/168.5dbef9ef.js"><link rel="prefetch" href="/assets/js/169.10dd3806.js"><link rel="prefetch" href="/assets/js/17.0dc295c9.js"><link rel="prefetch" href="/assets/js/170.6c329603.js"><link rel="prefetch" href="/assets/js/171.2feecdf1.js"><link rel="prefetch" href="/assets/js/172.95f87419.js"><link rel="prefetch" href="/assets/js/173.6f1d25bb.js"><link rel="prefetch" href="/assets/js/174.d86897c8.js"><link rel="prefetch" href="/assets/js/175.d5d0df6a.js"><link rel="prefetch" href="/assets/js/176.7eb83ad0.js"><link rel="prefetch" href="/assets/js/177.4e40876a.js"><link rel="prefetch" href="/assets/js/178.cae0d890.js"><link rel="prefetch" href="/assets/js/179.9b132ea4.js"><link rel="prefetch" href="/assets/js/18.6ec85d2f.js"><link rel="prefetch" href="/assets/js/180.88ff7121.js"><link rel="prefetch" href="/assets/js/181.f0d43fcc.js"><link rel="prefetch" href="/assets/js/182.7099cb48.js"><link rel="prefetch" href="/assets/js/183.edafdd83.js"><link rel="prefetch" href="/assets/js/184.4fc59e2c.js"><link rel="prefetch" href="/assets/js/185.36a5be8f.js"><link rel="prefetch" href="/assets/js/186.5dd1869c.js"><link rel="prefetch" href="/assets/js/187.3d35d396.js"><link rel="prefetch" href="/assets/js/188.c0bcf5ba.js"><link rel="prefetch" href="/assets/js/189.7a1a3e2e.js"><link rel="prefetch" href="/assets/js/19.515d3237.js"><link rel="prefetch" href="/assets/js/190.c3ae726f.js"><link rel="prefetch" href="/assets/js/191.d7e03656.js"><link rel="prefetch" href="/assets/js/193.df6d4718.js"><link rel="prefetch" href="/assets/js/194.b45804b4.js"><link rel="prefetch" href="/assets/js/195.8a4d26c7.js"><link rel="prefetch" href="/assets/js/196.e981220e.js"><link rel="prefetch" href="/assets/js/197.3444f6c7.js"><link rel="prefetch" href="/assets/js/198.0917f0fe.js"><link rel="prefetch" href="/assets/js/199.1c5dbeaf.js"><link rel="prefetch" href="/assets/js/20.43f89197.js"><link rel="prefetch" href="/assets/js/200.ae99c7c2.js"><link rel="prefetch" href="/assets/js/201.920840ef.js"><link rel="prefetch" href="/assets/js/202.9e1d7395.js"><link rel="prefetch" href="/assets/js/203.0480dc05.js"><link rel="prefetch" href="/assets/js/204.9e3b129d.js"><link rel="prefetch" href="/assets/js/205.8b96775b.js"><link rel="prefetch" href="/assets/js/206.16248e1d.js"><link rel="prefetch" href="/assets/js/207.08209c15.js"><link rel="prefetch" href="/assets/js/208.4e1a1fe8.js"><link rel="prefetch" href="/assets/js/209.684351e3.js"><link rel="prefetch" href="/assets/js/21.acbfa763.js"><link rel="prefetch" href="/assets/js/210.c7ec6d21.js"><link rel="prefetch" href="/assets/js/211.15611bfc.js"><link rel="prefetch" href="/assets/js/212.104e35e7.js"><link rel="prefetch" href="/assets/js/213.09979614.js"><link rel="prefetch" href="/assets/js/214.f1e6babb.js"><link rel="prefetch" href="/assets/js/215.047dc924.js"><link rel="prefetch" href="/assets/js/216.c7995b5f.js"><link rel="prefetch" href="/assets/js/217.2e6da777.js"><link rel="prefetch" href="/assets/js/218.79eaf6c1.js"><link rel="prefetch" href="/assets/js/219.83df5b4a.js"><link rel="prefetch" href="/assets/js/22.417af792.js"><link rel="prefetch" href="/assets/js/220.6dc448f7.js"><link rel="prefetch" href="/assets/js/221.9a9eebcd.js"><link rel="prefetch" href="/assets/js/222.dca39118.js"><link rel="prefetch" href="/assets/js/223.fb011059.js"><link rel="prefetch" href="/assets/js/224.cf6ca794.js"><link rel="prefetch" href="/assets/js/225.990885c8.js"><link rel="prefetch" href="/assets/js/226.e08365e2.js"><link rel="prefetch" href="/assets/js/227.31f28bb7.js"><link rel="prefetch" href="/assets/js/228.6de2676f.js"><link rel="prefetch" href="/assets/js/229.d5c30f16.js"><link rel="prefetch" href="/assets/js/23.6c7d7eea.js"><link rel="prefetch" href="/assets/js/230.88081b9a.js"><link rel="prefetch" href="/assets/js/231.a9d48e4f.js"><link rel="prefetch" href="/assets/js/232.3428e67a.js"><link rel="prefetch" href="/assets/js/233.6f3763a5.js"><link rel="prefetch" href="/assets/js/234.abbd03b2.js"><link rel="prefetch" href="/assets/js/235.ec25ed54.js"><link rel="prefetch" href="/assets/js/236.b977dbf2.js"><link rel="prefetch" href="/assets/js/237.66598776.js"><link rel="prefetch" href="/assets/js/238.694d8754.js"><link rel="prefetch" href="/assets/js/239.406e0531.js"><link rel="prefetch" href="/assets/js/24.a553bb19.js"><link rel="prefetch" href="/assets/js/240.854bedbf.js"><link rel="prefetch" href="/assets/js/241.5f8a330f.js"><link rel="prefetch" href="/assets/js/242.86e3c344.js"><link rel="prefetch" href="/assets/js/243.b561d8d3.js"><link rel="prefetch" href="/assets/js/244.f8b89521.js"><link rel="prefetch" href="/assets/js/245.d6222ec7.js"><link rel="prefetch" href="/assets/js/246.2b3fcc3e.js"><link rel="prefetch" href="/assets/js/247.43dfa612.js"><link rel="prefetch" href="/assets/js/248.4741dcd9.js"><link rel="prefetch" href="/assets/js/249.419ce16b.js"><link rel="prefetch" href="/assets/js/25.a807a864.js"><link rel="prefetch" href="/assets/js/250.f07ef0ee.js"><link rel="prefetch" href="/assets/js/251.c63f521d.js"><link rel="prefetch" href="/assets/js/252.811a7e8c.js"><link rel="prefetch" href="/assets/js/253.6d93c314.js"><link rel="prefetch" href="/assets/js/254.f315a0f9.js"><link rel="prefetch" href="/assets/js/255.18e2d69b.js"><link rel="prefetch" href="/assets/js/256.633166a4.js"><link rel="prefetch" href="/assets/js/257.ea907563.js"><link rel="prefetch" href="/assets/js/258.9431d26e.js"><link rel="prefetch" href="/assets/js/259.a02febe0.js"><link rel="prefetch" href="/assets/js/26.2121ac8d.js"><link rel="prefetch" href="/assets/js/260.a2e7e58f.js"><link rel="prefetch" href="/assets/js/261.cdbb6f97.js"><link rel="prefetch" href="/assets/js/262.8004896a.js"><link rel="prefetch" href="/assets/js/263.70e3fd11.js"><link rel="prefetch" href="/assets/js/264.a48b4ec3.js"><link rel="prefetch" href="/assets/js/265.34e42dc0.js"><link rel="prefetch" href="/assets/js/266.ca225af9.js"><link rel="prefetch" href="/assets/js/267.c1696137.js"><link rel="prefetch" href="/assets/js/268.4baa57e6.js"><link rel="prefetch" href="/assets/js/269.6e097d45.js"><link rel="prefetch" href="/assets/js/27.353617df.js"><link rel="prefetch" href="/assets/js/270.e5fa0340.js"><link rel="prefetch" href="/assets/js/271.7418d8b3.js"><link rel="prefetch" href="/assets/js/272.c03fdadb.js"><link rel="prefetch" href="/assets/js/273.c90f2a89.js"><link rel="prefetch" href="/assets/js/274.025000d2.js"><link rel="prefetch" href="/assets/js/275.785fd825.js"><link rel="prefetch" href="/assets/js/276.4658b553.js"><link rel="prefetch" href="/assets/js/277.be1d9950.js"><link rel="prefetch" href="/assets/js/278.969f62e9.js"><link rel="prefetch" href="/assets/js/279.b4687dca.js"><link rel="prefetch" href="/assets/js/28.de5fbffd.js"><link rel="prefetch" href="/assets/js/280.066a8f96.js"><link rel="prefetch" href="/assets/js/281.97979cbe.js"><link rel="prefetch" href="/assets/js/282.d209138a.js"><link rel="prefetch" href="/assets/js/283.c3249204.js"><link rel="prefetch" href="/assets/js/284.ac2bf191.js"><link rel="prefetch" href="/assets/js/285.bca6aa40.js"><link rel="prefetch" href="/assets/js/286.6cbe9274.js"><link rel="prefetch" href="/assets/js/287.088fa473.js"><link rel="prefetch" href="/assets/js/288.a1f73477.js"><link rel="prefetch" href="/assets/js/289.659caaed.js"><link rel="prefetch" href="/assets/js/29.91dc2824.js"><link rel="prefetch" href="/assets/js/290.f024ff5f.js"><link rel="prefetch" href="/assets/js/291.6e1a6c9b.js"><link rel="prefetch" href="/assets/js/292.598d841f.js"><link rel="prefetch" href="/assets/js/293.cd2df0cc.js"><link rel="prefetch" href="/assets/js/294.49874dd4.js"><link rel="prefetch" href="/assets/js/295.0dac4d0b.js"><link rel="prefetch" href="/assets/js/296.8f353ed4.js"><link rel="prefetch" href="/assets/js/297.3bb42d7a.js"><link rel="prefetch" href="/assets/js/298.91b1b31c.js"><link rel="prefetch" href="/assets/js/299.348f494c.js"><link rel="prefetch" href="/assets/js/30.03cf4852.js"><link rel="prefetch" href="/assets/js/300.9a839ae2.js"><link rel="prefetch" href="/assets/js/301.5972ea62.js"><link rel="prefetch" href="/assets/js/302.03d8c96e.js"><link rel="prefetch" href="/assets/js/303.10880519.js"><link rel="prefetch" href="/assets/js/304.0d8f585e.js"><link rel="prefetch" href="/assets/js/305.fc662c9f.js"><link rel="prefetch" href="/assets/js/306.fe8e18f6.js"><link rel="prefetch" href="/assets/js/307.32cbfa3d.js"><link rel="prefetch" href="/assets/js/308.85fb07ff.js"><link rel="prefetch" href="/assets/js/309.2ea57d84.js"><link rel="prefetch" href="/assets/js/31.4b8359e5.js"><link rel="prefetch" href="/assets/js/310.e410f107.js"><link rel="prefetch" href="/assets/js/311.6eaf26c4.js"><link rel="prefetch" href="/assets/js/312.c9ecb92c.js"><link rel="prefetch" href="/assets/js/313.826db8cd.js"><link rel="prefetch" href="/assets/js/314.7f57565d.js"><link rel="prefetch" href="/assets/js/315.8130feb6.js"><link rel="prefetch" href="/assets/js/316.41b61be0.js"><link rel="prefetch" href="/assets/js/317.a2ea3d95.js"><link rel="prefetch" href="/assets/js/318.5f3975f5.js"><link rel="prefetch" href="/assets/js/319.743e01f9.js"><link rel="prefetch" href="/assets/js/32.6fe577bc.js"><link rel="prefetch" href="/assets/js/320.f461a416.js"><link rel="prefetch" href="/assets/js/321.c7a56cb3.js"><link rel="prefetch" href="/assets/js/322.678b2aa6.js"><link rel="prefetch" href="/assets/js/323.c1402dc9.js"><link rel="prefetch" href="/assets/js/324.5e31b5b7.js"><link rel="prefetch" href="/assets/js/325.85d7b6f2.js"><link rel="prefetch" href="/assets/js/326.2aad02c9.js"><link rel="prefetch" href="/assets/js/327.a2797c70.js"><link rel="prefetch" href="/assets/js/328.eab6f5e8.js"><link rel="prefetch" href="/assets/js/329.1fcd30fb.js"><link rel="prefetch" href="/assets/js/33.d0eafbb9.js"><link rel="prefetch" href="/assets/js/330.d6814502.js"><link rel="prefetch" href="/assets/js/331.aaef2a2d.js"><link rel="prefetch" href="/assets/js/332.25c3698e.js"><link rel="prefetch" href="/assets/js/333.ff760597.js"><link rel="prefetch" href="/assets/js/334.4352a701.js"><link rel="prefetch" href="/assets/js/335.a08d4648.js"><link rel="prefetch" href="/assets/js/336.adbfcd2a.js"><link rel="prefetch" href="/assets/js/337.91b7a655.js"><link rel="prefetch" href="/assets/js/338.527a995c.js"><link rel="prefetch" href="/assets/js/339.17770dae.js"><link rel="prefetch" href="/assets/js/34.85849ed4.js"><link rel="prefetch" href="/assets/js/340.5e3f5af3.js"><link rel="prefetch" href="/assets/js/341.6f3254cc.js"><link rel="prefetch" href="/assets/js/342.eb19c5b2.js"><link rel="prefetch" href="/assets/js/343.86880c2b.js"><link rel="prefetch" href="/assets/js/344.b246b989.js"><link rel="prefetch" href="/assets/js/345.fc088fdc.js"><link rel="prefetch" href="/assets/js/346.b959a237.js"><link rel="prefetch" href="/assets/js/347.6936a722.js"><link rel="prefetch" href="/assets/js/348.d0bee38d.js"><link rel="prefetch" href="/assets/js/349.4d751508.js"><link rel="prefetch" href="/assets/js/35.5612ab6a.js"><link rel="prefetch" href="/assets/js/350.0e29054a.js"><link rel="prefetch" href="/assets/js/351.085e1aa5.js"><link rel="prefetch" href="/assets/js/352.6cc96e5d.js"><link rel="prefetch" href="/assets/js/353.cfe4cf8b.js"><link rel="prefetch" href="/assets/js/354.88283483.js"><link rel="prefetch" href="/assets/js/355.c6db4669.js"><link rel="prefetch" href="/assets/js/356.c5a04c75.js"><link rel="prefetch" href="/assets/js/357.698b5c48.js"><link rel="prefetch" href="/assets/js/358.a1284b35.js"><link rel="prefetch" href="/assets/js/359.04925c9a.js"><link rel="prefetch" href="/assets/js/36.4e36f97e.js"><link rel="prefetch" href="/assets/js/360.9daae8bf.js"><link rel="prefetch" href="/assets/js/361.f9736519.js"><link rel="prefetch" href="/assets/js/362.746e9925.js"><link rel="prefetch" href="/assets/js/363.c296153b.js"><link rel="prefetch" href="/assets/js/364.79bb95e0.js"><link rel="prefetch" href="/assets/js/365.19b72317.js"><link rel="prefetch" href="/assets/js/366.46fbd6f7.js"><link rel="prefetch" href="/assets/js/367.78a65da6.js"><link rel="prefetch" href="/assets/js/368.b734ee75.js"><link rel="prefetch" href="/assets/js/369.6a0f730e.js"><link rel="prefetch" href="/assets/js/37.33185238.js"><link rel="prefetch" href="/assets/js/370.ca1215ed.js"><link rel="prefetch" href="/assets/js/371.c1d1c747.js"><link rel="prefetch" href="/assets/js/372.b9e57899.js"><link rel="prefetch" href="/assets/js/373.aa42888a.js"><link rel="prefetch" href="/assets/js/374.6e77b7d2.js"><link rel="prefetch" href="/assets/js/375.f88c3c53.js"><link rel="prefetch" href="/assets/js/376.480dacf6.js"><link rel="prefetch" href="/assets/js/377.6f48920f.js"><link rel="prefetch" href="/assets/js/378.e839a0d7.js"><link rel="prefetch" href="/assets/js/379.fab165fa.js"><link rel="prefetch" href="/assets/js/38.b02b6af6.js"><link rel="prefetch" href="/assets/js/380.3b479eee.js"><link rel="prefetch" href="/assets/js/381.13c45e12.js"><link rel="prefetch" href="/assets/js/382.b9d10d79.js"><link rel="prefetch" href="/assets/js/383.22938fc1.js"><link rel="prefetch" href="/assets/js/384.aa932ca6.js"><link rel="prefetch" href="/assets/js/385.3bf09de9.js"><link rel="prefetch" href="/assets/js/386.8894c43f.js"><link rel="prefetch" href="/assets/js/387.3b662ff8.js"><link rel="prefetch" href="/assets/js/388.a1ae1ede.js"><link rel="prefetch" href="/assets/js/389.3dab322c.js"><link rel="prefetch" href="/assets/js/39.bdef8540.js"><link rel="prefetch" href="/assets/js/390.336a9553.js"><link rel="prefetch" href="/assets/js/391.da4afab5.js"><link rel="prefetch" href="/assets/js/392.c7097ee6.js"><link rel="prefetch" href="/assets/js/393.2add8d8b.js"><link rel="prefetch" href="/assets/js/394.01a05f68.js"><link rel="prefetch" href="/assets/js/395.f87beb80.js"><link rel="prefetch" href="/assets/js/396.1ea42313.js"><link rel="prefetch" href="/assets/js/397.3b2c4329.js"><link rel="prefetch" href="/assets/js/398.e19b2769.js"><link rel="prefetch" href="/assets/js/399.959cde76.js"><link rel="prefetch" href="/assets/js/4.a195f7b6.js"><link rel="prefetch" href="/assets/js/40.83fa7936.js"><link rel="prefetch" href="/assets/js/400.81bf6971.js"><link rel="prefetch" href="/assets/js/401.917f34b9.js"><link rel="prefetch" href="/assets/js/402.b9b6b243.js"><link rel="prefetch" href="/assets/js/403.d18ffde3.js"><link rel="prefetch" href="/assets/js/404.f05efd75.js"><link rel="prefetch" href="/assets/js/405.f0a294d4.js"><link rel="prefetch" href="/assets/js/406.3d6728bf.js"><link rel="prefetch" href="/assets/js/407.9db8bc05.js"><link rel="prefetch" href="/assets/js/408.ee74e96c.js"><link rel="prefetch" href="/assets/js/409.908ee17a.js"><link rel="prefetch" href="/assets/js/41.3693bb5f.js"><link rel="prefetch" href="/assets/js/410.19de2693.js"><link rel="prefetch" href="/assets/js/411.126a0e61.js"><link rel="prefetch" href="/assets/js/412.0714380f.js"><link rel="prefetch" href="/assets/js/413.548508ac.js"><link rel="prefetch" href="/assets/js/414.7e20a18c.js"><link rel="prefetch" href="/assets/js/415.8973dc73.js"><link rel="prefetch" href="/assets/js/416.ed747810.js"><link rel="prefetch" href="/assets/js/417.69aff868.js"><link rel="prefetch" href="/assets/js/418.d08b9633.js"><link rel="prefetch" href="/assets/js/419.7a29a575.js"><link rel="prefetch" href="/assets/js/42.d7b203f7.js"><link rel="prefetch" href="/assets/js/420.e1b32755.js"><link rel="prefetch" href="/assets/js/421.9f59b9c4.js"><link rel="prefetch" href="/assets/js/422.82338d23.js"><link rel="prefetch" href="/assets/js/423.78ae5544.js"><link rel="prefetch" href="/assets/js/424.58ec76aa.js"><link rel="prefetch" href="/assets/js/425.44ee0a9c.js"><link rel="prefetch" href="/assets/js/426.35170657.js"><link rel="prefetch" href="/assets/js/427.b96b2653.js"><link rel="prefetch" href="/assets/js/428.789479d6.js"><link rel="prefetch" href="/assets/js/429.cfd12490.js"><link rel="prefetch" href="/assets/js/43.f4a347ba.js"><link rel="prefetch" href="/assets/js/430.22ab1959.js"><link rel="prefetch" href="/assets/js/431.58e8895f.js"><link rel="prefetch" href="/assets/js/432.8f6c6e43.js"><link rel="prefetch" href="/assets/js/433.128fd68b.js"><link rel="prefetch" href="/assets/js/434.cb6df7fd.js"><link rel="prefetch" href="/assets/js/435.596e9910.js"><link rel="prefetch" href="/assets/js/436.2a426362.js"><link rel="prefetch" href="/assets/js/437.c4e29f95.js"><link rel="prefetch" href="/assets/js/438.60eead82.js"><link rel="prefetch" href="/assets/js/439.755047ee.js"><link rel="prefetch" href="/assets/js/44.b334ed25.js"><link rel="prefetch" href="/assets/js/440.eadeab90.js"><link rel="prefetch" href="/assets/js/441.2fd0022c.js"><link rel="prefetch" href="/assets/js/442.5febb7ff.js"><link rel="prefetch" href="/assets/js/443.40d31ee9.js"><link rel="prefetch" href="/assets/js/444.2ae6c97b.js"><link rel="prefetch" href="/assets/js/445.358eb5a0.js"><link rel="prefetch" href="/assets/js/446.f70aa844.js"><link rel="prefetch" href="/assets/js/447.e57098da.js"><link rel="prefetch" href="/assets/js/448.42fa449f.js"><link rel="prefetch" href="/assets/js/449.87a7d812.js"><link rel="prefetch" href="/assets/js/45.20484792.js"><link rel="prefetch" href="/assets/js/450.2d5c62cb.js"><link rel="prefetch" href="/assets/js/451.cfb7d1c7.js"><link rel="prefetch" href="/assets/js/452.d4ca93d8.js"><link rel="prefetch" href="/assets/js/453.f3859daa.js"><link rel="prefetch" href="/assets/js/454.bb599f94.js"><link rel="prefetch" href="/assets/js/455.164435bc.js"><link rel="prefetch" href="/assets/js/456.3a24aaab.js"><link rel="prefetch" href="/assets/js/457.be959948.js"><link rel="prefetch" href="/assets/js/458.94bcefe5.js"><link rel="prefetch" href="/assets/js/459.d4dbc24e.js"><link rel="prefetch" href="/assets/js/46.508f7d41.js"><link rel="prefetch" href="/assets/js/460.1abdd421.js"><link rel="prefetch" href="/assets/js/461.3b85e094.js"><link rel="prefetch" href="/assets/js/462.328088b4.js"><link rel="prefetch" href="/assets/js/463.8f458fe3.js"><link rel="prefetch" href="/assets/js/464.4799603d.js"><link rel="prefetch" href="/assets/js/465.4510e882.js"><link rel="prefetch" href="/assets/js/466.01245050.js"><link rel="prefetch" href="/assets/js/467.2ca7baa4.js"><link rel="prefetch" href="/assets/js/468.471e2d1f.js"><link rel="prefetch" href="/assets/js/469.bfffaee9.js"><link rel="prefetch" href="/assets/js/47.a8742825.js"><link rel="prefetch" href="/assets/js/470.97799d73.js"><link rel="prefetch" href="/assets/js/471.05120819.js"><link rel="prefetch" href="/assets/js/472.3892f52c.js"><link rel="prefetch" href="/assets/js/473.be27ddaa.js"><link rel="prefetch" href="/assets/js/474.9e1d826e.js"><link rel="prefetch" href="/assets/js/475.4bbf0340.js"><link rel="prefetch" href="/assets/js/476.43ad6812.js"><link rel="prefetch" href="/assets/js/477.79abdb61.js"><link rel="prefetch" href="/assets/js/478.99ac7b26.js"><link rel="prefetch" href="/assets/js/479.978b51aa.js"><link rel="prefetch" href="/assets/js/48.ad2c2a29.js"><link rel="prefetch" href="/assets/js/480.682076e4.js"><link rel="prefetch" href="/assets/js/481.592b3459.js"><link rel="prefetch" href="/assets/js/482.51200cc2.js"><link rel="prefetch" href="/assets/js/483.5a48543e.js"><link rel="prefetch" href="/assets/js/484.a7cb9e3e.js"><link rel="prefetch" href="/assets/js/485.a920105c.js"><link rel="prefetch" href="/assets/js/486.7a12b540.js"><link rel="prefetch" href="/assets/js/487.78f9b7c4.js"><link rel="prefetch" href="/assets/js/488.182ede16.js"><link rel="prefetch" href="/assets/js/489.7cdb000a.js"><link rel="prefetch" href="/assets/js/49.a22d6593.js"><link rel="prefetch" href="/assets/js/490.f80db158.js"><link rel="prefetch" href="/assets/js/491.a60a3324.js"><link rel="prefetch" href="/assets/js/492.db35e960.js"><link rel="prefetch" href="/assets/js/493.5bc91ef5.js"><link rel="prefetch" href="/assets/js/494.59430cc4.js"><link rel="prefetch" href="/assets/js/495.8f890f74.js"><link rel="prefetch" href="/assets/js/496.0d962a47.js"><link rel="prefetch" href="/assets/js/497.d01e6f25.js"><link rel="prefetch" href="/assets/js/498.91583855.js"><link rel="prefetch" href="/assets/js/499.dad0cd86.js"><link rel="prefetch" href="/assets/js/5.2a4451ec.js"><link rel="prefetch" href="/assets/js/50.7d8944cd.js"><link rel="prefetch" href="/assets/js/500.4fef98e6.js"><link rel="prefetch" href="/assets/js/501.70c8ab6c.js"><link rel="prefetch" href="/assets/js/502.647791b2.js"><link rel="prefetch" href="/assets/js/503.e27cca34.js"><link rel="prefetch" href="/assets/js/504.d255dfd4.js"><link rel="prefetch" href="/assets/js/505.8ebc01bb.js"><link rel="prefetch" href="/assets/js/506.96eff784.js"><link rel="prefetch" href="/assets/js/507.ee0941f8.js"><link rel="prefetch" href="/assets/js/508.eca87bfc.js"><link rel="prefetch" href="/assets/js/509.ac852d9e.js"><link rel="prefetch" href="/assets/js/51.fd01b1a1.js"><link rel="prefetch" href="/assets/js/510.f2c30f30.js"><link rel="prefetch" href="/assets/js/511.93c39252.js"><link rel="prefetch" href="/assets/js/512.6693c6d2.js"><link rel="prefetch" href="/assets/js/513.a093308f.js"><link rel="prefetch" href="/assets/js/514.586fc8e9.js"><link rel="prefetch" href="/assets/js/515.4b42a743.js"><link rel="prefetch" href="/assets/js/516.1776d737.js"><link rel="prefetch" href="/assets/js/517.34d50a8b.js"><link rel="prefetch" href="/assets/js/518.1ddd9cd6.js"><link rel="prefetch" href="/assets/js/519.4b8d67f9.js"><link rel="prefetch" href="/assets/js/52.10d8a15b.js"><link rel="prefetch" href="/assets/js/520.72b60177.js"><link rel="prefetch" href="/assets/js/521.208e1056.js"><link rel="prefetch" href="/assets/js/522.0b70667a.js"><link rel="prefetch" href="/assets/js/523.c5baafd0.js"><link rel="prefetch" href="/assets/js/524.a0faf49c.js"><link rel="prefetch" href="/assets/js/525.5e8c24b2.js"><link rel="prefetch" href="/assets/js/526.2a0914f9.js"><link rel="prefetch" href="/assets/js/527.ded91633.js"><link rel="prefetch" href="/assets/js/528.afaf3a7c.js"><link rel="prefetch" href="/assets/js/53.29fda513.js"><link rel="prefetch" href="/assets/js/54.1ec48dc5.js"><link rel="prefetch" href="/assets/js/55.38876710.js"><link rel="prefetch" href="/assets/js/56.aa94202c.js"><link rel="prefetch" href="/assets/js/57.4487fe4e.js"><link rel="prefetch" href="/assets/js/58.fce3a269.js"><link rel="prefetch" href="/assets/js/59.f956ceb1.js"><link rel="prefetch" href="/assets/js/6.3450075a.js"><link rel="prefetch" href="/assets/js/60.04e971a8.js"><link rel="prefetch" href="/assets/js/61.39ed191f.js"><link rel="prefetch" href="/assets/js/62.eef65e9b.js"><link rel="prefetch" href="/assets/js/63.49f75809.js"><link rel="prefetch" href="/assets/js/64.ca5c6060.js"><link rel="prefetch" href="/assets/js/65.caf7d783.js"><link rel="prefetch" href="/assets/js/66.5ec349a5.js"><link rel="prefetch" href="/assets/js/67.29edf638.js"><link rel="prefetch" href="/assets/js/68.de6ad154.js"><link rel="prefetch" href="/assets/js/69.71328eaf.js"><link rel="prefetch" href="/assets/js/7.c5c54fb4.js"><link rel="prefetch" href="/assets/js/70.5e78a4e5.js"><link rel="prefetch" href="/assets/js/71.64856643.js"><link rel="prefetch" href="/assets/js/72.8010c02a.js"><link rel="prefetch" href="/assets/js/73.498829e1.js"><link rel="prefetch" href="/assets/js/74.df0d04bd.js"><link rel="prefetch" href="/assets/js/75.a230e9c2.js"><link rel="prefetch" href="/assets/js/76.79d37682.js"><link rel="prefetch" href="/assets/js/77.d93d9983.js"><link rel="prefetch" href="/assets/js/78.1f320f90.js"><link rel="prefetch" href="/assets/js/79.036924ec.js"><link rel="prefetch" href="/assets/js/8.de5c69e7.js"><link rel="prefetch" href="/assets/js/80.293948a6.js"><link rel="prefetch" href="/assets/js/81.fcfc5c23.js"><link rel="prefetch" href="/assets/js/82.418c0deb.js"><link rel="prefetch" href="/assets/js/83.3720138d.js"><link rel="prefetch" href="/assets/js/84.e4ab62ab.js"><link rel="prefetch" href="/assets/js/85.a51ccec4.js"><link rel="prefetch" href="/assets/js/86.af367a23.js"><link rel="prefetch" href="/assets/js/87.208096b5.js"><link rel="prefetch" href="/assets/js/88.6d82fdfa.js"><link rel="prefetch" href="/assets/js/89.855e8d78.js"><link rel="prefetch" href="/assets/js/9.18fb6454.js"><link rel="prefetch" href="/assets/js/90.35f0b664.js"><link rel="prefetch" href="/assets/js/91.f05d3514.js"><link rel="prefetch" href="/assets/js/92.c427e959.js"><link rel="prefetch" href="/assets/js/93.301dbd74.js"><link rel="prefetch" href="/assets/js/94.df22e216.js"><link rel="prefetch" href="/assets/js/95.96ae29e6.js"><link rel="prefetch" href="/assets/js/96.2a84236c.js"><link rel="prefetch" href="/assets/js/97.9921cd09.js"><link rel="prefetch" href="/assets/js/98.ac175dbc.js"><link rel="prefetch" href="/assets/js/99.ed51aa2e.js"><link rel="prefetch" href="/assets/js/vendors~docsearch.eff714eb.js"> |
| <link rel="stylesheet" href="/assets/css/0.styles.ccadf850.css"> |
| </head> |
| <body> |
| <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12z"></path></svg></div> <a href="/" 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">Document</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/Master/Get Started/QuickStart.html" class="nav-link">In progress</a></li><li class="dropdown-item"><!----> <a href="/UserGuide/V0.11.x/Get Started/QuickStart.html" class="nav-link">V0.11.x</a></li><li class="dropdown-item"><!----> <a href="/UserGuide/V0.10.x/Get Started/QuickStart.html" class="nav-link">V0.10.x</a></li><li class="dropdown-item"><!----> <a href="/UserGuide/V0.9.x/0-Get Started/1-QuickStart.html" class="nav-link">V0.9.x</a></li><li class="dropdown-item"><!----> <a href="/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="/SystemDesign/Architecture/Architecture.html" class="nav-link">System design</a></div><div class="nav-item"><a href="/Download/" class="nav-link">Download</a></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Community</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="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Development</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/Development/VoteRelease.html" class="nav-link">How to vote</a></li><li class="dropdown-item"><!----> <a href="/Development/HowToCommit.html" class="nav-link">How to Commit</a></li><li class="dropdown-item"><!----> <a href="/Development/Committer.html" class="nav-link">Become a Committer</a></li><li class="dropdown-item"><!----> <a href="/Development/ContributeGuide.html" class="nav-link">ContributeGuide</a></li><li class="dropdown-item"><!----> <a href="/Development/format-changelist.html" class="nav-link">Changelist of TsFile</a></li><li class="dropdown-item"><!----> <a href="/Development/rpc-changelist.html" class="nav-link">Changelist of RPC</a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Blog</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/Blog/Index.html" class="nav-link">Overview</a></li><li class="dropdown-item"><!----> <a href="/Blog/Release0_93.html" class="nav-link">Some Notes on Release 0.9.3 and upcoming 0.10.0</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"> |
| Foundation |
| <!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/licenses/" class="nav-link external"> |
| License |
| <!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/security/" class="nav-link external"> |
| Security |
| <!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/foundation/sponsorship.html" class="nav-link external"> |
| Sponsorship |
| <!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/foundation/thanks.html" class="nav-link external"> |
| Thanks |
| <!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/events/current-event" class="nav-link external"> |
| Current Events |
| <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.11.x/System Tools/NodeTool.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.11.x/System Tools/NodeTool.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">Document</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/Master/Get Started/QuickStart.html" class="nav-link">In progress</a></li><li class="dropdown-item"><!----> <a href="/UserGuide/V0.11.x/Get Started/QuickStart.html" class="nav-link">V0.11.x</a></li><li class="dropdown-item"><!----> <a href="/UserGuide/V0.10.x/Get Started/QuickStart.html" class="nav-link">V0.10.x</a></li><li class="dropdown-item"><!----> <a href="/UserGuide/V0.9.x/0-Get Started/1-QuickStart.html" class="nav-link">V0.9.x</a></li><li class="dropdown-item"><!----> <a href="/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="/SystemDesign/Architecture/Architecture.html" class="nav-link">System design</a></div><div class="nav-item"><a href="/Download/" class="nav-link">Download</a></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Community</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="/Community/Community-Project Committers.html" class="nav-link">People</a></li><li class="dropdown-item"><!----> <a href="/Community/Community-Powered By.html" class="nav-link">Powered By</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">Resources</a></li><li class="dropdown-item"><!----> <a href="/Community/Feedback.html" class="nav-link">Feedback</a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Development</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/Development/VoteRelease.html" class="nav-link">How to vote</a></li><li class="dropdown-item"><!----> <a href="/Development/HowToCommit.html" class="nav-link">How to Commit</a></li><li class="dropdown-item"><!----> <a href="/Development/Committer.html" class="nav-link">Become a Committer</a></li><li class="dropdown-item"><!----> <a href="/Development/ContributeGuide.html" class="nav-link">ContributeGuide</a></li><li class="dropdown-item"><!----> <a href="/Development/format-changelist.html" class="nav-link">Changelist of TsFile</a></li><li class="dropdown-item"><!----> <a href="/Development/rpc-changelist.html" class="nav-link">Changelist of RPC</a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Blog</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/Blog/Index.html" class="nav-link">Overview</a></li><li class="dropdown-item"><!----> <a href="/Blog/Release0_93.html" class="nav-link">Some Notes on Release 0.9.3 and upcoming 0.10.0</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"> |
| Foundation |
| <!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/licenses/" class="nav-link external"> |
| License |
| <!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/security/" class="nav-link external"> |
| Security |
| <!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/foundation/sponsorship.html" class="nav-link external"> |
| Sponsorship |
| <!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/foundation/thanks.html" class="nav-link external"> |
| Thanks |
| <!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/events/current-event" class="nav-link external"> |
| Current Events |
| <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">Languages</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.11.x/System Tools/NodeTool.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.11.x/System Tools/NodeTool.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 open"><span>IoTDB User Guide (V0.11.x)</span> <!----></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>Get Started</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>Overview</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>Concept</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>Server</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>Client</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>Operation Manual</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>System Tools</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>Ecosystem Integration</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>Architecture</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>Comparison with TSDBs</span> <span class="arrow right"></span></p> <!----></section></li></ul> </aside> <main class="page"> <div class="content content__default"><h1 id="introduction"><a href="#introduction" class="header-anchor">#</a> Introduction</h1> <p>IoTDB cluster version provides nodetool, a shell tool for users to monitor the working status of the specified cluster. |
| Users can obtain the status of the cluster by running a variety of instructions.</p> <p>The following describes the usage and examples of each instruction, |
| where $IOTDB_CLUSTER_HOME indicates the path of the distributed IoTDB installation directory.</p> <h1 id="instructions"><a href="#instructions" class="header-anchor">#</a> Instructions</h1> <h2 id="get-started"><a href="#get-started" class="header-anchor">#</a> Get Started</h2> <p>The nodetool shell tool startup script is located at $IOTDB_CLUSTER_HOME/bin folder, |
| you can specify the IP address and port of the cluster during startup.</p> <p>IP is the IP (or hostname) of the node that you expect to connect to, |
| and port is the JMX service port specified when the IoTDB cluster is started.</p> <p>The default values are 127.0.0.1 and 31999, respectively.</p> <p>If you need to monitor the remote cluster or modify the JMX service port number, |
| set the actual IP and port with the <code>-h</code> and <code>-p</code> options.</p> <h2 id="explains"><a href="#explains" class="header-anchor">#</a> Explains</h2> <p>In a distributed system, a node is identified by node IP, metadata port and data port <IP:METAPORT:DATAPORT>.</p> <h3 id="show-the-ring-of-node"><a href="#show-the-ring-of-node" class="header-anchor">#</a> Show The Ring Of Node</h3> <p>Distributed IoTDB uses consistent hash to support data distribution.</p> <p>You can know each node in the cluster by command <code>ring</code>, which prints node ring information.</p> <p>1.Input</p> <blockquote><p>ring</p></blockquote> <p>2.Output</p> <blockquote><p>The output is a multi-line string, and each line of string is a key value pair, |
| where the key represents the node identifier, and the value represents the node (IP:METAPORT:DATAPORT), the format is <key -> value>.</p></blockquote> <p>3.Examples</p> <blockquote><p>Suppose that the current cluster runs on three nodes: 127.0.0.1:9003:40010, 127.0.0.1:9004:40011, and 127.0.0.1:9005:40012.</p></blockquote> <p>Examples of input instructions for different systems are as follows:</p> <p>Linux and MacOS:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>Shell > ./bin/nodetool.sh -h 127.0.0.1 -p 31999 ring |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Windows:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>Shell > .\bin\nodetool.bat -h 127.0.0.1 -p 31999 ring |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Press enter to execute the command.</p> <p>The output of the example instruction is as follows:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>Node Identifier Node |
| 330411070 -> 127.0.0.1:9003:40010 |
| 330454032 -> 127.0.0.1:9004:40011 |
| 330496472 -> 127.0.0.1:9005:40012 |
| </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></div></div><p>The above output shows that there are three nodes in the current cluster, |
| and the output results are ordered by their identifier ascendant.</p> <h3 id="query-data-partition-and-metadata-partition"><a href="#query-data-partition-and-metadata-partition" class="header-anchor">#</a> Query data partition and metadata partition</h3> <p>The time series metadata of distributed iotdb is divided into multiple data groups according to their storage groups, |
| in which the storage group and data partition are many to one relationship.</p> <p>That is, all metadata of a storage group only exists in the same data group, |
| and a data group may contain multiple storage groups.</p> <p>The data is divided into multiple data groups according to its storage group and timestamp, |
| and the time partition granularity is decided by a configuration (currently unavailable).</p> <p>The data partition is composed of several replica nodes to ensure high availability of data, |
| and one of the nodes plays the role of leader.</p> <p>Through this instruction, the user can know the metadata of a certain path, |
| and the nodes under which the data is stored.</p> <p>1.Input</p> <blockquote><p>The instruction for querying data partition information is <code>partition</code>. |
| The parameters are described as follows:</p></blockquote> <table><thead><tr><th>Parameter</th> <th>Description</th> <th>Examples</th></tr></thead> <tbody><tr><td>-m</td> <td>--metadata Query metadata partition, by default only query data partition</td> <td>-m</td></tr> <tr><td>-path</td> <td>--path Required parameter, the path to be queried. If the path has no corresponding storage group, the query fails</td> <td>-path root.guangzhou.d1</td></tr> <tr><td>-st</td> <td>--StartTime The system uses the current partition time by default</td> <td>-st 1576724778159</td></tr> <tr><td>-et</td> <td>--EndTime It is used when querying data partition.<br>The end time is the current system time by default. <br> If the end time is less than the start time, the end time is the start time by default</td> <td>-et 1576724778159</td></tr></tbody></table> <p>2.Output</p> <blockquote><p>The output is a multi-line string, and each line of string is a key-value pair, where the key represents the partition, |
| and the value represents the data group in the format of < key -> value>.</p></blockquote> <p>3.Examples</p> <blockquote><p>Suppose that the current cluster runs on three nodes: 127.0.0.1:9003:40010, 127.0.0.1:9004:40011, and 127.0.0.1:9005:40012.</p> <p>The number of copies is 2 and there are 3 storage groups:{ root.beijing , root.shanghai , root.guangzhou}.</p></blockquote> <ul><li>Partition of query data (default time range, time partition interval is one day)</li></ul> <p>Linux and MacOS:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>Shell > ./bin/nodetool.sh -h 127.0.0.1 -p 31999 partition -path root.guangzhou.d1 |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Windows:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>Shell > .\bin\nodetool.bat -h 127.0.0.1 -p 31999 partition -path root.guangzhou.d1 |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Press enter to execute the command.</p> <p>The output of the example instruction is as follows:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>DATA<root.guangzhou.d1, 1576723735188, 1576723735188> -> [127.0.0.1:9003:40010, 127.0.0.1:9004:40011] |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><ul><li>Partition of query data (specified time range, time partition interval is one day)</li></ul> <p>Linux and MacOS:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>Shell > ./bin/nodetool.sh -h 127.0.0.1 -p 31999 partition -path root.guangzhou.d1 -st 1576624778159 -et 1576724778159 |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Windows:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>Shell > .\bin\nodetool.bat -h 127.0.0.1 -p 31999 partition -path root.guangzhou.d1 -st 1576624778159 -et 1576724778159 |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Press enter to execute the command.</p> <p>The output of the example instruction is as follows:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>DATA<root.guangzhou.d1, 1576627200000, 1576713599999> -> [127.0.0.1:9005:40012, 127.0.0.1:9003:40010] |
| DATA<root.guangzhou.d1, 1576713600000, 1576724778159> -> [127.0.0.1:9003:40010, 127.0.0.1:9004:40011] |
| DATA<root.guangzhou.d1, 1576624778159, 1576627199999> -> [127.0.0.1:9004:40011, 127.0.0.1:9005:40012] |
| </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></div></div><ul><li>Query metadata partition</li></ul> <p>Linux and MacOS:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>Shell > ./bin/nodetool.sh -h 127.0.0.1 -p 31999 partition -path root.guangzhou.d1 -m |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Windows:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>Shell > .\bin\nodetool.bat -h 127.0.0.1 -p 31999 partition -path root.guangzhou.d1 -m |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Press enter to execute the command.</p> <p>The output of the example instruction is as follows:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>DATA<root.guangzhou.d1, 1576723735188, 1576723735188> -> [127.0.0.1:9003:40010, 127.0.0.1:9004:40011] |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>The above output shows that the data group to which root.guangzhou.d1 belongs contains two nodes, |
| of which 127.0.0.1:9003:40010 is the header node.</p> <h3 id="query-the-number-of-slots-managed-by-the-node"><a href="#query-the-number-of-slots-managed-by-the-node" class="header-anchor">#</a> Query the number of slots managed by the node</h3> <p>Distributed IoTDB divides data into a fixed number of (10000 by default) slots, |
| and the leader of the cluster management group divides the slots among data groups.</p> <p>Through this instruction, you can know the number of slots managed by each data group.</p> <ol><li>Input</li></ol> <blockquote><p>The command to query the data partition information corresponding to the node is <code>host</code>.</p> <p>The parameters are described as follows:</p></blockquote> <table><thead><tr><th>Parameter</th> <th>Description</th> <th>Examples</th></tr></thead> <tbody><tr><td>-a or --all</td> <td>Query the number of slots managed by all data groups. By default only data groups of the query node are shown</td> <td>-a</td></tr></tbody></table> <p>2.Output</p> <blockquote><p>The output is a multi-line string, in which each line is a key-value pair, where the key represents the data group, |
| and the value represents the number of slots managed, and the format is <key -> value>.</p></blockquote> <p>3.Examples</p> <blockquote><p>Suppose that the current cluster runs on three nodes: 127.0.0.1:9003:40010, 127.0.0.1:9004:40011, and 127.0.0.1:9005:40012, |
| and the number of copies is 2.</p></blockquote> <ul><li>Default Partition Group</li></ul> <p>Linux and MacOS:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>Shell > ./bin/nodetool.sh -h 127.0.0.1 -p 31999 host |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Windows:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>Shell > .\bin\nodetool.bat -h 127.0.0.1 -p 31999 host |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Press enter to execute the command.</p> <p>The output of the example instruction is as follows:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>Raft group Slot Number |
| (127.0.0.1:9003:40010, 127.0.0.1:9004:40011) -> 3333 |
| (127.0.0.1:9005:40012, 127.0.0.1:9003:40010) -> 3334 |
| </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></div></div><ul><li>All Partition Groups</li></ul> <p>Linux and MacOS:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>Shell > ./bin/nodetool.sh -h 127.0.0.1 -p 31999 host -a |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Windows:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>Shell > .\bin\nodetool.bat -h 127.0.0.1 -p 31999 host -a |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Press enter to execute the command.</p> <p>The output of the example instruction is as follows:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>Raft group Slot Number |
| (127.0.0.1:9003:40010, 127.0.0.1:9004:40011) -> 3333 |
| (127.0.0.1:9004:40011, 127.0.0.1:9005:40012) -> 3333 |
| (127.0.0.1:9005:40012, 127.0.0.1:9003:40010) -> 3334 |
| </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></div></div><h3 id="query-node-status"><a href="#query-node-status" class="header-anchor">#</a> Query node status</h3> <p>Distributed IoTDB contains multiple nodes. |
| For any node, there is a possibility that it cannot provide services normally due to network or hardware problems.</p> <p>Through this instruction, you can know the current status of all nodes in the cluster.</p> <p>1.Input</p> <blockquote><p>status</p></blockquote> <p>2.Output</p> <blockquote><p>The output is a multi-line string, where each line is a key-value pair, where the key represents the node (IP: METAPORT:DATAPORT), |
| the value indicates the status of the node, "on" is normal, "off" is abnormal, and the format is < key -> value>.</p></blockquote> <p>3.Examples</p> <blockquote><p>Suppose that the current cluster runs on three nodes: 127.0.0.1:9003:40010, 127.0.0.1:9004:40011, and 127.0.0.1:9005:40012, |
| and the number of copies is 2.</p></blockquote> <p>Linux and MacOS:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>Shell > ./bin/nodetool.sh -h 127.0.0.1 -p 31999 status |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Windows:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>Shell > .\bin\nodetool.bat -h 127.0.0.1 -p 31999 status |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>Press enter to execute the command.</p> <p>The output of the example instruction is as follows:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>Node Status |
| 127.0.0.1:9003:40010 -> on |
| 127.0.0.1:9005:40012 -> off |
| 127.0.0.1:9004:40011 -> on |
| |
| </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></div></div><p>The above output indicates that 127.0.0.1:9003:40010 nodes and 127.0.0.1:9004:40011 nodes are in normal state, |
| and 127.0.0.1:9005:40012 nodes cannot provide services.</p></div> <!----> <p style="text-align: center;">Copyright © 2021 The Apache Software Foundation.<br> |
| Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444"> |
| Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br> |
| see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div> |
| <script src="/assets/js/app.821c382f.js" defer></script><script src="/assets/js/3.5626571b.js" defer></script><script src="/assets/js/192.a281a87e.js" defer></script> |
| </body> |
| </html> |