| <!DOCTYPE html> |
| <html lang="zh-CN"> |
| <head> |
| <meta charset="utf-8"> |
| <meta name="viewport" content="width=device-width,initial-scale=1"> |
| <title> </title> |
| <meta name="generator" content="VuePress 1.8.2"> |
| <link rel="icon" href="/favicon.ico"> |
| <meta name="description" content=" "> |
| <meta name="Description" content="Apache IoTDB: Time Series Database for IoT"> |
| <meta name="Keywords" content="TSDB, time series, time series database, IoTDB, IoT database, IoT data management,时序数据库, 时间序列管理, IoTDB, 物联网数据库, 实时数据库, 物联网数据管理, 物联网数据"> |
| <meta name="baidu-site-verification" content="wfKETzB3OT"> |
| <meta name="google-site-verification" content="mZWAoRY0yj_HAr-s47zHCGHzx5Ju-RVm5wDbPnwQYFo"> |
| |
| <link rel="preload" href="/assets/css/0.styles.ccadf850.css" as="style"><link rel="preload" href="/assets/js/app.821c382f.js" as="script"><link rel="preload" href="/assets/js/3.5626571b.js" as="script"><link rel="preload" href="/assets/js/524.a0faf49c.js" as="script"><link rel="prefetch" href="/assets/js/10.77e7d27b.js"><link rel="prefetch" href="/assets/js/100.ed95c785.js"><link rel="prefetch" href="/assets/js/101.824eb728.js"><link rel="prefetch" href="/assets/js/102.dfb385f3.js"><link rel="prefetch" href="/assets/js/103.b7b3c8f1.js"><link rel="prefetch" href="/assets/js/104.522d3ff0.js"><link rel="prefetch" href="/assets/js/105.b7388386.js"><link rel="prefetch" href="/assets/js/106.846b6bd8.js"><link rel="prefetch" href="/assets/js/107.2d9463c3.js"><link rel="prefetch" href="/assets/js/108.f245629a.js"><link rel="prefetch" href="/assets/js/109.69c25b06.js"><link rel="prefetch" href="/assets/js/11.a080efae.js"><link rel="prefetch" href="/assets/js/110.530a3a98.js"><link rel="prefetch" href="/assets/js/111.3b7a3ac1.js"><link rel="prefetch" href="/assets/js/112.f3812269.js"><link rel="prefetch" href="/assets/js/113.46505989.js"><link rel="prefetch" href="/assets/js/114.475c17a1.js"><link rel="prefetch" href="/assets/js/115.8b6c6d92.js"><link rel="prefetch" href="/assets/js/116.b394d6f1.js"><link rel="prefetch" href="/assets/js/117.31310d35.js"><link rel="prefetch" href="/assets/js/118.a42ab86c.js"><link rel="prefetch" href="/assets/js/119.07c43a65.js"><link rel="prefetch" href="/assets/js/12.30292c04.js"><link rel="prefetch" href="/assets/js/120.95c8a45a.js"><link rel="prefetch" href="/assets/js/121.163834bb.js"><link rel="prefetch" href="/assets/js/122.99015e01.js"><link rel="prefetch" href="/assets/js/123.b63b10d4.js"><link rel="prefetch" href="/assets/js/124.e5fcecb4.js"><link rel="prefetch" href="/assets/js/125.5d156960.js"><link rel="prefetch" href="/assets/js/126.21af8edc.js"><link rel="prefetch" href="/assets/js/127.94f1a74a.js"><link rel="prefetch" href="/assets/js/128.a5e03b1e.js"><link rel="prefetch" href="/assets/js/129.70d26ee1.js"><link rel="prefetch" href="/assets/js/13.ca90848f.js"><link rel="prefetch" href="/assets/js/130.866c33c2.js"><link rel="prefetch" href="/assets/js/131.e5ec8d01.js"><link rel="prefetch" href="/assets/js/132.1b2366a0.js"><link rel="prefetch" href="/assets/js/133.ad89487a.js"><link rel="prefetch" href="/assets/js/134.747a93d6.js"><link rel="prefetch" href="/assets/js/135.1e490c8b.js"><link rel="prefetch" href="/assets/js/136.8dacb951.js"><link rel="prefetch" href="/assets/js/137.4b220326.js"><link rel="prefetch" href="/assets/js/138.29265d0b.js"><link rel="prefetch" href="/assets/js/139.5ffbc26e.js"><link rel="prefetch" href="/assets/js/14.0518f057.js"><link rel="prefetch" href="/assets/js/140.bb3cd28c.js"><link rel="prefetch" href="/assets/js/141.f4cd2178.js"><link rel="prefetch" href="/assets/js/142.a070f8e2.js"><link rel="prefetch" href="/assets/js/143.9299561a.js"><link rel="prefetch" href="/assets/js/144.1f503a67.js"><link rel="prefetch" href="/assets/js/145.1c62a4d0.js"><link rel="prefetch" href="/assets/js/146.97d3e6eb.js"><link rel="prefetch" href="/assets/js/147.fdd69e02.js"><link rel="prefetch" href="/assets/js/148.542d0570.js"><link rel="prefetch" href="/assets/js/149.b6a0c0c4.js"><link rel="prefetch" href="/assets/js/15.0953eb10.js"><link rel="prefetch" href="/assets/js/150.47f1d515.js"><link rel="prefetch" href="/assets/js/151.52b9bd4e.js"><link rel="prefetch" href="/assets/js/152.d54e94e7.js"><link rel="prefetch" href="/assets/js/153.a3cb7b45.js"><link rel="prefetch" href="/assets/js/154.21b3e81c.js"><link rel="prefetch" href="/assets/js/155.8e74c6d3.js"><link rel="prefetch" href="/assets/js/156.f8866900.js"><link rel="prefetch" href="/assets/js/157.cceecfd1.js"><link rel="prefetch" href="/assets/js/158.f5424810.js"><link rel="prefetch" href="/assets/js/159.969149d7.js"><link rel="prefetch" href="/assets/js/16.be3a02b8.js"><link rel="prefetch" href="/assets/js/160.78670d5a.js"><link rel="prefetch" href="/assets/js/161.6ac36ecc.js"><link rel="prefetch" href="/assets/js/162.8e8f0b7a.js"><link rel="prefetch" href="/assets/js/163.be160611.js"><link rel="prefetch" href="/assets/js/164.f3391f5c.js"><link rel="prefetch" href="/assets/js/165.a50ca901.js"><link rel="prefetch" href="/assets/js/166.7e46ca06.js"><link rel="prefetch" href="/assets/js/167.e906027a.js"><link rel="prefetch" href="/assets/js/168.5dbef9ef.js"><link rel="prefetch" href="/assets/js/169.10dd3806.js"><link rel="prefetch" href="/assets/js/17.0dc295c9.js"><link rel="prefetch" href="/assets/js/170.6c329603.js"><link rel="prefetch" href="/assets/js/171.2feecdf1.js"><link rel="prefetch" href="/assets/js/172.95f87419.js"><link rel="prefetch" href="/assets/js/173.6f1d25bb.js"><link rel="prefetch" href="/assets/js/174.d86897c8.js"><link rel="prefetch" href="/assets/js/175.d5d0df6a.js"><link rel="prefetch" href="/assets/js/176.7eb83ad0.js"><link rel="prefetch" href="/assets/js/177.4e40876a.js"><link rel="prefetch" href="/assets/js/178.cae0d890.js"><link rel="prefetch" href="/assets/js/179.9b132ea4.js"><link rel="prefetch" href="/assets/js/18.6ec85d2f.js"><link rel="prefetch" href="/assets/js/180.88ff7121.js"><link rel="prefetch" href="/assets/js/181.f0d43fcc.js"><link rel="prefetch" href="/assets/js/182.7099cb48.js"><link rel="prefetch" href="/assets/js/183.edafdd83.js"><link rel="prefetch" href="/assets/js/184.4fc59e2c.js"><link rel="prefetch" href="/assets/js/185.36a5be8f.js"><link rel="prefetch" href="/assets/js/186.5dd1869c.js"><link rel="prefetch" href="/assets/js/187.3d35d396.js"><link rel="prefetch" href="/assets/js/188.c0bcf5ba.js"><link rel="prefetch" href="/assets/js/189.7a1a3e2e.js"><link rel="prefetch" href="/assets/js/19.515d3237.js"><link rel="prefetch" href="/assets/js/190.c3ae726f.js"><link rel="prefetch" href="/assets/js/191.d7e03656.js"><link rel="prefetch" href="/assets/js/192.a281a87e.js"><link rel="prefetch" href="/assets/js/193.df6d4718.js"><link rel="prefetch" href="/assets/js/194.b45804b4.js"><link rel="prefetch" href="/assets/js/195.8a4d26c7.js"><link rel="prefetch" href="/assets/js/196.e981220e.js"><link rel="prefetch" href="/assets/js/197.3444f6c7.js"><link rel="prefetch" href="/assets/js/198.0917f0fe.js"><link rel="prefetch" href="/assets/js/199.1c5dbeaf.js"><link rel="prefetch" href="/assets/js/20.43f89197.js"><link rel="prefetch" href="/assets/js/200.ae99c7c2.js"><link rel="prefetch" href="/assets/js/201.920840ef.js"><link rel="prefetch" href="/assets/js/202.9e1d7395.js"><link rel="prefetch" href="/assets/js/203.0480dc05.js"><link rel="prefetch" href="/assets/js/204.9e3b129d.js"><link rel="prefetch" href="/assets/js/205.8b96775b.js"><link rel="prefetch" href="/assets/js/206.16248e1d.js"><link rel="prefetch" href="/assets/js/207.08209c15.js"><link rel="prefetch" href="/assets/js/208.4e1a1fe8.js"><link rel="prefetch" href="/assets/js/209.684351e3.js"><link rel="prefetch" href="/assets/js/21.acbfa763.js"><link rel="prefetch" href="/assets/js/210.c7ec6d21.js"><link rel="prefetch" href="/assets/js/211.15611bfc.js"><link rel="prefetch" href="/assets/js/212.104e35e7.js"><link rel="prefetch" href="/assets/js/213.09979614.js"><link rel="prefetch" href="/assets/js/214.f1e6babb.js"><link rel="prefetch" href="/assets/js/215.047dc924.js"><link rel="prefetch" href="/assets/js/216.c7995b5f.js"><link rel="prefetch" href="/assets/js/217.2e6da777.js"><link rel="prefetch" href="/assets/js/218.79eaf6c1.js"><link rel="prefetch" href="/assets/js/219.83df5b4a.js"><link rel="prefetch" href="/assets/js/22.417af792.js"><link rel="prefetch" href="/assets/js/220.6dc448f7.js"><link rel="prefetch" href="/assets/js/221.9a9eebcd.js"><link rel="prefetch" href="/assets/js/222.dca39118.js"><link rel="prefetch" href="/assets/js/223.fb011059.js"><link rel="prefetch" href="/assets/js/224.cf6ca794.js"><link rel="prefetch" href="/assets/js/225.990885c8.js"><link rel="prefetch" href="/assets/js/226.e08365e2.js"><link rel="prefetch" href="/assets/js/227.31f28bb7.js"><link rel="prefetch" href="/assets/js/228.6de2676f.js"><link rel="prefetch" href="/assets/js/229.d5c30f16.js"><link rel="prefetch" href="/assets/js/23.6c7d7eea.js"><link rel="prefetch" href="/assets/js/230.88081b9a.js"><link rel="prefetch" href="/assets/js/231.a9d48e4f.js"><link rel="prefetch" href="/assets/js/232.3428e67a.js"><link rel="prefetch" href="/assets/js/233.6f3763a5.js"><link rel="prefetch" href="/assets/js/234.abbd03b2.js"><link rel="prefetch" href="/assets/js/235.ec25ed54.js"><link rel="prefetch" href="/assets/js/236.b977dbf2.js"><link rel="prefetch" href="/assets/js/237.66598776.js"><link rel="prefetch" href="/assets/js/238.694d8754.js"><link rel="prefetch" href="/assets/js/239.406e0531.js"><link rel="prefetch" href="/assets/js/24.a553bb19.js"><link rel="prefetch" href="/assets/js/240.854bedbf.js"><link rel="prefetch" href="/assets/js/241.5f8a330f.js"><link rel="prefetch" href="/assets/js/242.86e3c344.js"><link rel="prefetch" href="/assets/js/243.b561d8d3.js"><link rel="prefetch" href="/assets/js/244.f8b89521.js"><link rel="prefetch" href="/assets/js/245.d6222ec7.js"><link rel="prefetch" href="/assets/js/246.2b3fcc3e.js"><link rel="prefetch" href="/assets/js/247.43dfa612.js"><link rel="prefetch" href="/assets/js/248.4741dcd9.js"><link rel="prefetch" href="/assets/js/249.419ce16b.js"><link rel="prefetch" href="/assets/js/25.a807a864.js"><link rel="prefetch" href="/assets/js/250.f07ef0ee.js"><link rel="prefetch" href="/assets/js/251.c63f521d.js"><link rel="prefetch" href="/assets/js/252.811a7e8c.js"><link rel="prefetch" href="/assets/js/253.6d93c314.js"><link rel="prefetch" href="/assets/js/254.f315a0f9.js"><link rel="prefetch" href="/assets/js/255.18e2d69b.js"><link rel="prefetch" href="/assets/js/256.633166a4.js"><link rel="prefetch" href="/assets/js/257.ea907563.js"><link rel="prefetch" href="/assets/js/258.9431d26e.js"><link rel="prefetch" href="/assets/js/259.a02febe0.js"><link rel="prefetch" href="/assets/js/26.2121ac8d.js"><link rel="prefetch" href="/assets/js/260.a2e7e58f.js"><link rel="prefetch" href="/assets/js/261.cdbb6f97.js"><link rel="prefetch" href="/assets/js/262.8004896a.js"><link rel="prefetch" href="/assets/js/263.70e3fd11.js"><link rel="prefetch" href="/assets/js/264.a48b4ec3.js"><link rel="prefetch" href="/assets/js/265.34e42dc0.js"><link rel="prefetch" href="/assets/js/266.ca225af9.js"><link rel="prefetch" href="/assets/js/267.c1696137.js"><link rel="prefetch" href="/assets/js/268.4baa57e6.js"><link rel="prefetch" href="/assets/js/269.6e097d45.js"><link rel="prefetch" href="/assets/js/27.353617df.js"><link rel="prefetch" href="/assets/js/270.e5fa0340.js"><link rel="prefetch" href="/assets/js/271.7418d8b3.js"><link rel="prefetch" href="/assets/js/272.c03fdadb.js"><link rel="prefetch" href="/assets/js/273.c90f2a89.js"><link rel="prefetch" href="/assets/js/274.025000d2.js"><link rel="prefetch" href="/assets/js/275.785fd825.js"><link rel="prefetch" href="/assets/js/276.4658b553.js"><link rel="prefetch" href="/assets/js/277.be1d9950.js"><link rel="prefetch" href="/assets/js/278.969f62e9.js"><link rel="prefetch" href="/assets/js/279.b4687dca.js"><link rel="prefetch" href="/assets/js/28.de5fbffd.js"><link rel="prefetch" href="/assets/js/280.066a8f96.js"><link rel="prefetch" href="/assets/js/281.97979cbe.js"><link rel="prefetch" href="/assets/js/282.d209138a.js"><link rel="prefetch" href="/assets/js/283.c3249204.js"><link rel="prefetch" href="/assets/js/284.ac2bf191.js"><link rel="prefetch" href="/assets/js/285.bca6aa40.js"><link rel="prefetch" href="/assets/js/286.6cbe9274.js"><link rel="prefetch" href="/assets/js/287.088fa473.js"><link rel="prefetch" href="/assets/js/288.a1f73477.js"><link rel="prefetch" href="/assets/js/289.659caaed.js"><link rel="prefetch" href="/assets/js/29.91dc2824.js"><link rel="prefetch" href="/assets/js/290.f024ff5f.js"><link rel="prefetch" href="/assets/js/291.6e1a6c9b.js"><link rel="prefetch" href="/assets/js/292.598d841f.js"><link rel="prefetch" href="/assets/js/293.cd2df0cc.js"><link rel="prefetch" href="/assets/js/294.49874dd4.js"><link rel="prefetch" href="/assets/js/295.0dac4d0b.js"><link rel="prefetch" href="/assets/js/296.8f353ed4.js"><link rel="prefetch" href="/assets/js/297.3bb42d7a.js"><link rel="prefetch" href="/assets/js/298.91b1b31c.js"><link rel="prefetch" href="/assets/js/299.348f494c.js"><link rel="prefetch" href="/assets/js/30.03cf4852.js"><link rel="prefetch" href="/assets/js/300.9a839ae2.js"><link rel="prefetch" href="/assets/js/301.5972ea62.js"><link rel="prefetch" href="/assets/js/302.03d8c96e.js"><link rel="prefetch" href="/assets/js/303.10880519.js"><link rel="prefetch" href="/assets/js/304.0d8f585e.js"><link rel="prefetch" href="/assets/js/305.fc662c9f.js"><link rel="prefetch" href="/assets/js/306.fe8e18f6.js"><link rel="prefetch" href="/assets/js/307.32cbfa3d.js"><link rel="prefetch" href="/assets/js/308.85fb07ff.js"><link rel="prefetch" href="/assets/js/309.2ea57d84.js"><link rel="prefetch" href="/assets/js/31.4b8359e5.js"><link rel="prefetch" href="/assets/js/310.e410f107.js"><link rel="prefetch" href="/assets/js/311.6eaf26c4.js"><link rel="prefetch" href="/assets/js/312.c9ecb92c.js"><link rel="prefetch" href="/assets/js/313.826db8cd.js"><link rel="prefetch" href="/assets/js/314.7f57565d.js"><link rel="prefetch" href="/assets/js/315.8130feb6.js"><link rel="prefetch" href="/assets/js/316.41b61be0.js"><link rel="prefetch" href="/assets/js/317.a2ea3d95.js"><link rel="prefetch" href="/assets/js/318.5f3975f5.js"><link rel="prefetch" href="/assets/js/319.743e01f9.js"><link rel="prefetch" href="/assets/js/32.6fe577bc.js"><link rel="prefetch" href="/assets/js/320.f461a416.js"><link rel="prefetch" href="/assets/js/321.c7a56cb3.js"><link rel="prefetch" href="/assets/js/322.678b2aa6.js"><link rel="prefetch" href="/assets/js/323.c1402dc9.js"><link rel="prefetch" href="/assets/js/324.5e31b5b7.js"><link rel="prefetch" href="/assets/js/325.85d7b6f2.js"><link rel="prefetch" href="/assets/js/326.2aad02c9.js"><link rel="prefetch" href="/assets/js/327.a2797c70.js"><link rel="prefetch" href="/assets/js/328.eab6f5e8.js"><link rel="prefetch" href="/assets/js/329.1fcd30fb.js"><link rel="prefetch" href="/assets/js/33.d0eafbb9.js"><link rel="prefetch" href="/assets/js/330.d6814502.js"><link rel="prefetch" href="/assets/js/331.aaef2a2d.js"><link rel="prefetch" href="/assets/js/332.25c3698e.js"><link rel="prefetch" href="/assets/js/333.ff760597.js"><link rel="prefetch" href="/assets/js/334.4352a701.js"><link rel="prefetch" href="/assets/js/335.a08d4648.js"><link rel="prefetch" href="/assets/js/336.adbfcd2a.js"><link rel="prefetch" href="/assets/js/337.91b7a655.js"><link rel="prefetch" href="/assets/js/338.527a995c.js"><link rel="prefetch" href="/assets/js/339.17770dae.js"><link rel="prefetch" href="/assets/js/34.85849ed4.js"><link rel="prefetch" href="/assets/js/340.5e3f5af3.js"><link rel="prefetch" href="/assets/js/341.6f3254cc.js"><link rel="prefetch" href="/assets/js/342.eb19c5b2.js"><link rel="prefetch" href="/assets/js/343.86880c2b.js"><link rel="prefetch" href="/assets/js/344.b246b989.js"><link rel="prefetch" href="/assets/js/345.fc088fdc.js"><link rel="prefetch" href="/assets/js/346.b959a237.js"><link rel="prefetch" href="/assets/js/347.6936a722.js"><link rel="prefetch" href="/assets/js/348.d0bee38d.js"><link rel="prefetch" href="/assets/js/349.4d751508.js"><link rel="prefetch" href="/assets/js/35.5612ab6a.js"><link rel="prefetch" href="/assets/js/350.0e29054a.js"><link rel="prefetch" href="/assets/js/351.085e1aa5.js"><link rel="prefetch" href="/assets/js/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/525.5e8c24b2.js"><link rel="prefetch" href="/assets/js/526.2a0914f9.js"><link rel="prefetch" href="/assets/js/527.ded91633.js"><link rel="prefetch" href="/assets/js/528.afaf3a7c.js"><link rel="prefetch" href="/assets/js/53.29fda513.js"><link rel="prefetch" href="/assets/js/54.1ec48dc5.js"><link rel="prefetch" href="/assets/js/55.38876710.js"><link rel="prefetch" href="/assets/js/56.aa94202c.js"><link rel="prefetch" href="/assets/js/57.4487fe4e.js"><link rel="prefetch" href="/assets/js/58.fce3a269.js"><link rel="prefetch" href="/assets/js/59.f956ceb1.js"><link rel="prefetch" href="/assets/js/6.3450075a.js"><link rel="prefetch" href="/assets/js/60.04e971a8.js"><link rel="prefetch" href="/assets/js/61.39ed191f.js"><link rel="prefetch" href="/assets/js/62.eef65e9b.js"><link rel="prefetch" href="/assets/js/63.49f75809.js"><link rel="prefetch" href="/assets/js/64.ca5c6060.js"><link rel="prefetch" href="/assets/js/65.caf7d783.js"><link rel="prefetch" href="/assets/js/66.5ec349a5.js"><link rel="prefetch" href="/assets/js/67.29edf638.js"><link rel="prefetch" href="/assets/js/68.de6ad154.js"><link rel="prefetch" href="/assets/js/69.71328eaf.js"><link rel="prefetch" href="/assets/js/7.c5c54fb4.js"><link rel="prefetch" href="/assets/js/70.5e78a4e5.js"><link rel="prefetch" href="/assets/js/71.64856643.js"><link rel="prefetch" href="/assets/js/72.8010c02a.js"><link rel="prefetch" href="/assets/js/73.498829e1.js"><link rel="prefetch" href="/assets/js/74.df0d04bd.js"><link rel="prefetch" href="/assets/js/75.a230e9c2.js"><link rel="prefetch" href="/assets/js/76.79d37682.js"><link rel="prefetch" href="/assets/js/77.d93d9983.js"><link rel="prefetch" href="/assets/js/78.1f320f90.js"><link rel="prefetch" href="/assets/js/79.036924ec.js"><link rel="prefetch" href="/assets/js/8.de5c69e7.js"><link rel="prefetch" href="/assets/js/80.293948a6.js"><link rel="prefetch" href="/assets/js/81.fcfc5c23.js"><link rel="prefetch" href="/assets/js/82.418c0deb.js"><link rel="prefetch" href="/assets/js/83.3720138d.js"><link rel="prefetch" href="/assets/js/84.e4ab62ab.js"><link rel="prefetch" href="/assets/js/85.a51ccec4.js"><link rel="prefetch" href="/assets/js/86.af367a23.js"><link rel="prefetch" href="/assets/js/87.208096b5.js"><link rel="prefetch" href="/assets/js/88.6d82fdfa.js"><link rel="prefetch" href="/assets/js/89.855e8d78.js"><link rel="prefetch" href="/assets/js/9.18fb6454.js"><link rel="prefetch" href="/assets/js/90.35f0b664.js"><link rel="prefetch" href="/assets/js/91.f05d3514.js"><link rel="prefetch" href="/assets/js/92.c427e959.js"><link rel="prefetch" href="/assets/js/93.301dbd74.js"><link rel="prefetch" href="/assets/js/94.df22e216.js"><link rel="prefetch" href="/assets/js/95.96ae29e6.js"><link rel="prefetch" href="/assets/js/96.2a84236c.js"><link rel="prefetch" href="/assets/js/97.9921cd09.js"><link rel="prefetch" href="/assets/js/98.ac175dbc.js"><link rel="prefetch" href="/assets/js/99.ed51aa2e.js"><link rel="prefetch" href="/assets/js/vendors~docsearch.eff714eb.js"> |
| <link rel="stylesheet" href="/assets/css/0.styles.ccadf850.css"> |
| </head> |
| <body> |
| <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12z"></path></svg></div> <a href="/zh/" class="home-link router-link-active"><img src="/img/logo.png" alt=" " class="logo"></a> <div class="links"><div class="search-box"><input aria-label="Search" autocomplete="off" spellcheck="false" value=""> <!----></div> <nav class="nav-links can-hide"><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">文档</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/zh/UserGuide/Master/Get Started/QuickStart.html" class="nav-link">In progress</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.11.x/Get Started/QuickStart.html" class="nav-link">V0.11.x</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.10.x/Get Started/QuickStart.html" class="nav-link">V0.10.x</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.9.x/0-Get Started/1-QuickStart.html" class="nav-link">V0.9.x</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.8.x/0-Get Started/1-QuickStart.html" class="nav-link">V0.8.x</a></li></ul></div></div><div class="nav-item"><a href="/zh/SystemDesign/Architecture/Architecture.html" class="nav-link">系统设计</a></div><div class="nav-item"><a href="/zh/Download/" class="nav-link">下载</a></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">社区</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="https://cwiki.apache.org/confluence/display/iotdb" class="nav-link external"> |
| Wiki |
| <!----></a></li><li class="dropdown-item"><!----> <a href="/zh/Community/Community-Project Committers.html" class="nav-link">开发人员</a></li><li class="dropdown-item"><!----> <a href="/zh/Community/Community-Powered By.html" class="nav-link">技术支持</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">活动与报告</a></li><li class="dropdown-item"><!----> <a href="/zh/Community/Feedback.html" class="nav-link">交流与反馈</a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">开发</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/zh/Development/VoteRelease.html" class="nav-link">如何投票</a></li><li class="dropdown-item"><!----> <a href="/zh/Development/HowToCommit.html" class="nav-link">如何提交代码</a></li><li class="dropdown-item"><!----> <a href="/zh/Development/Committer.html" class="nav-link">成为Committer</a></li><li class="dropdown-item"><!----> <a href="/zh/Development/ContributeGuide.html" class="nav-link">项目开发指南</a></li><li class="dropdown-item"><!----> <a href="/zh/Development/format-changelist.html" class="nav-link">TsFile的更改列表</a></li><li class="dropdown-item"><!----> <a href="/zh/Development/rpc-changelist.html" class="nav-link">RPC变更清单</a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">ASF</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="http://www.apache.org/" class="nav-link external"> |
| 基金会 |
| <!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/licenses/" class="nav-link external"> |
| 许可证 |
| <!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/security/" class="nav-link external"> |
| 安全 |
| <!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/foundation/sponsorship.html" class="nav-link external"> |
| 赞助 |
| <!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/foundation/thanks.html" class="nav-link external"> |
| 致谢 |
| <!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/events/current-event" class="nav-link external"> |
| 活动 |
| <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">语言</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.9.x/7-Ecosystem Integration/5-Hive TsFile.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.9.x/7-Ecosystem Integration/5-Hive TsFile.html" class="nav-link">简体中文</a></li></ul></div></div> <a href="https://github.com/apache/iotdb.git" target="_blank" rel="noopener noreferrer" class="repo-link"> |
| gitHub |
| <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></a></nav></div></header> <div class="sidebar-mask"></div> <aside class="sidebar"><nav class="nav-links"><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">文档</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/zh/UserGuide/Master/Get Started/QuickStart.html" class="nav-link">In progress</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.11.x/Get Started/QuickStart.html" class="nav-link">V0.11.x</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.10.x/Get Started/QuickStart.html" class="nav-link">V0.10.x</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.9.x/0-Get Started/1-QuickStart.html" class="nav-link">V0.9.x</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.8.x/0-Get Started/1-QuickStart.html" class="nav-link">V0.8.x</a></li></ul></div></div><div class="nav-item"><a href="/zh/SystemDesign/Architecture/Architecture.html" class="nav-link">系统设计</a></div><div class="nav-item"><a href="/zh/Download/" class="nav-link">下载</a></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">社区</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="https://cwiki.apache.org/confluence/display/iotdb" class="nav-link external"> |
| Wiki |
| <!----></a></li><li class="dropdown-item"><!----> <a href="/zh/Community/Community-Project Committers.html" class="nav-link">开发人员</a></li><li class="dropdown-item"><!----> <a href="/zh/Community/Community-Powered By.html" class="nav-link">技术支持</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">活动与报告</a></li><li class="dropdown-item"><!----> <a href="/zh/Community/Feedback.html" class="nav-link">交流与反馈</a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">开发</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/zh/Development/VoteRelease.html" class="nav-link">如何投票</a></li><li class="dropdown-item"><!----> <a href="/zh/Development/HowToCommit.html" class="nav-link">如何提交代码</a></li><li class="dropdown-item"><!----> <a href="/zh/Development/Committer.html" class="nav-link">成为Committer</a></li><li class="dropdown-item"><!----> <a href="/zh/Development/ContributeGuide.html" class="nav-link">项目开发指南</a></li><li class="dropdown-item"><!----> <a href="/zh/Development/format-changelist.html" class="nav-link">TsFile的更改列表</a></li><li class="dropdown-item"><!----> <a href="/zh/Development/rpc-changelist.html" class="nav-link">RPC变更清单</a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">ASF</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="http://www.apache.org/" class="nav-link external"> |
| 基金会 |
| <!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/licenses/" class="nav-link external"> |
| 许可证 |
| <!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/security/" class="nav-link external"> |
| 安全 |
| <!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/foundation/sponsorship.html" class="nav-link external"> |
| 赞助 |
| <!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/foundation/thanks.html" class="nav-link external"> |
| 致谢 |
| <!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/events/current-event" class="nav-link external"> |
| 活动 |
| <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">语言</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/V0.9.x/7-Ecosystem Integration/5-Hive TsFile.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.9.x/7-Ecosystem Integration/5-Hive TsFile.html" class="nav-link">简体中文</a></li></ul></div></div> <a href="https://github.com/apache/iotdb.git" target="_blank" rel="noopener noreferrer" class="repo-link"> |
| gitHub |
| <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></a></nav> <ul class="sidebar-links"><li><section class="sidebar-group depth-0"><p class="sidebar-heading"><span>IoTDB用户手册 (V0.9.x)</span> <!----></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>0-开始</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>1-概览</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>2-概念</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>3-服务器端</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>4-客户端</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>5-操作指南</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>6-系统工具</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading open"><span>7-生态集成</span> <span class="arrow down"></span></p> <ul class="sidebar-links sidebar-group-items"><li><a href="/zh/UserGuide/V0.9.x/7-Ecosystem Integration/1-Grafana.html" class="sidebar-link">Grafana</a></li><li><a href="/zh/UserGuide/V0.9.x/7-Ecosystem Integration/2-MapReduce TsFile.html" class="sidebar-link">MapReduce TsFile</a></li><li><a href="/zh/UserGuide/V0.9.x/7-Ecosystem Integration/3-Spark TsFile.html" class="sidebar-link">Spark TsFile</a></li><li><a href="/zh/UserGuide/V0.9.x/7-Ecosystem Integration/4-Spark IoTDB.html" class="sidebar-link">Spark IoTDB</a></li><li><a href="/zh/UserGuide/V0.9.x/7-Ecosystem Integration/5-Hive TsFile.html" class="active sidebar-link">Hive TsFile</a></li></ul></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>8-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="tsfile的hive连接器使用手册"><a href="#tsfile的hive连接器使用手册" class="header-anchor">#</a> TsFile的Hive连接器使用手册</h1> <h2 id="概要"><a href="#概要" class="header-anchor">#</a> 概要</h2> <ul><li>TsFile的Hive连接器使用手册 |
| <ul><li>什么是TsFile的Hive连接器</li> <li>系统环境要求</li> <li>数据类型对应关系</li> <li>为Hive添加依赖jar包</li> <li>创建Tsfile-backed的Hive表</li> <li>从Tsfile-backed的Hive表中查询 |
| <ul><li>选择查询语句示例</li> <li>聚合查询语句示例</li></ul></li> <li>后续工作</li></ul></li></ul> <h2 id="什么是tsfile的hive连接器"><a href="#什么是tsfile的hive连接器" class="header-anchor">#</a> 什么是TsFile的Hive连接器</h2> <p>TsFile的Hive连接器实现了对Hive读取外部Tsfile类型的文件格式的支持， |
| 使用户能够通过Hive操作Tsfile。</p> <p>有了这个连接器，用户可以</p> <ul><li>将单个Tsfile文件加载进Hive，不论文件是存储在本地文件系统或者是HDFS中</li> <li>将某个特定目录下的所有文件加载进Hive，不论文件是存储在本地文件系统或者是HDFS中</li> <li>使用HQL查询tsfile</li> <li>到现在为止, 写操作在hive-connector中还没有被支持. 所以, HQL中的insert操作是不被允许的</li></ul> <h2 id="系统环境要求"><a href="#系统环境要求" class="header-anchor">#</a> 系统环境要求</h2> <table><thead><tr><th>Hadoop Version</th> <th>Hive Version</th> <th>Java Version</th> <th>TsFile</th></tr></thead> <tbody><tr><td><code>2.7.3</code> or <code>3.2.1</code></td> <td><code>2.3.6</code> or <code>3.1.2</code></td> <td><code>1.8</code></td> <td><code>0.9.3</code></td></tr></tbody></table> <blockquote><p>注意：关于如何下载和使用Tsfile, 请参考以下链接: <a href="https://github.com/apache/incubator-iotdb/tree/master/tsfile" target="_blank" rel="noopener noreferrer">https://github.com/apache/incubator-iotdb/tree/master/tsfile<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></a>。</p></blockquote> <h2 id="数据类型对应关系"><a href="#数据类型对应关系" class="header-anchor">#</a> 数据类型对应关系</h2> <table><thead><tr><th>TsFile 数据类型</th> <th>Hive 数据类型</th></tr></thead> <tbody><tr><td>BOOLEAN</td> <td>Boolean</td></tr> <tr><td>INT32</td> <td>INT</td></tr> <tr><td>INT64</td> <td>BIGINT</td></tr> <tr><td>FLOAT</td> <td>Float</td></tr> <tr><td>DOUBLE</td> <td>Double</td></tr> <tr><td>TEXT</td> <td>STRING</td></tr></tbody></table> <h2 id="为hive添加依赖jar包"><a href="#为hive添加依赖jar包" class="header-anchor">#</a> 为Hive添加依赖jar包</h2> <p>为了在Hive中使用Tsfile的hive连接器，我们需要把hive连接器的jar导入进hive。</p> <p>从 <a href="https://github.com/apache/incubator-iotdb" target="_blank" rel="noopener noreferrer">https://github.com/apache/incubator-iotdb<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>下载完iotdb后, 你可以使用 <code>mvn clean package -pl hive-connector -am -Dmaven.test.skip=true</code>命令得到一个 <code>hive-connector-X.X.X-jar-with-dependencies.jar</code>。</p> <p>然后在hive的命令行中，使用<code>add jar XXX</code>命令添加依赖。例如:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>hive> add jar /Users/hive/incubator-iotdb/hive-connector/target/hive-connector-0.9.3-jar-with-dependencies.jar; |
| |
| Added [/Users/hive/incubator-iotdb/hive-connector/target/hive-connector-0.9.3-jar-with-dependencies.jar] to class path |
| Added resources: [/Users/hive/incubator-iotdb/hive-connector/target/hive-connector-0.9.3-jar-with-dependencies.jar] |
| </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><h2 id="创建tsfile-backed的hive表"><a href="#创建tsfile-backed的hive表" class="header-anchor">#</a> 创建Tsfile-backed的Hive表</h2> <p>为了创建一个Tsfile-backed的表，需要将<code>serde</code>指定为<code>org.apache.iotdb.hive.TsFileSerDe</code>， |
| 将<code>inputformat</code>指定为<code>org.apache.iotdb.hive.TSFHiveInputFormat</code>， |
| 将<code>outputformat</code>指定为<code>org.apache.iotdb.hive.TSFHiveOutputFormat</code>。</p> <p>同时要提供一个只包含两个字段的Schema，这两个字段分别是<code>time_stamp</code>和<code>sensor_id</code>。 |
| <code>time_stamp</code>代表的是时间序列的时间值，<code>sensor_id</code>是你想要从tsfile文件中提取出来分析的传感器名称，比如说<code>sensor_1</code>。 |
| 表的名字可以是hive所支持的任何表名。</p> <p>需要提供一个路径供hive-connector从其中拉取最新的数据。</p> <p>这个路径必须是一个指定的文件夹，这个文件夹可以在你的本地文件系统上，也可以在HDFS上，如果你启动了Hadoop的话。 |
| 如果是本地文件系统，要以这样的形式<code>file:///data/data/sequence/root.baic2.WWS.leftfrontdoor/</code></p> <p>最后需要在<code>TBLPROPERTIES</code>里指明<code>device_id</code></p> <p>例如：</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>CREATE EXTERNAL TABLE IF NOT EXISTS only_sensor_1( |
| time_stamp TIMESTAMP, |
| sensor_1 BIGINT) |
| ROW FORMAT SERDE 'org.apache.iotdb.hive.TsFileSerDe' |
| STORED AS |
| INPUTFORMAT 'org.apache.iotdb.hive.TSFHiveInputFormat' |
| OUTPUTFORMAT 'org.apache.iotdb.hive.TSFHiveOutputFormat' |
| LOCATION '/data/data/sequence/root.baic2.WWS.leftfrontdoor/' |
| TBLPROPERTIES ('device_id'='root.baic2.WWS.leftfrontdoor.plc1'); |
| </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>在这个例子里，我们从<code>/data/data/sequence/root.baic2.WWS.leftfrontdoor/</code>中拉取<code>root.baic2.WWS.leftfrontdoor.plc1.sensor_1</code>的数据。 |
| 这个表可能产生如下描述：</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>hive> describe only_sensor_1; |
| OK |
| time_stamp timestamp from deserializer |
| sensor_1 bigint from deserializer |
| Time taken: 0.053 seconds, Fetched: 2 row(s) |
| </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>到目前为止, Tsfile-backed的表已经可以像hive中其他表一样被操作了。</p> <h2 id="从tsfile-backed的hive表中查询"><a href="#从tsfile-backed的hive表中查询" class="header-anchor">#</a> 从Tsfile-backed的Hive表中查询</h2> <p>在做任何查询之前，我们需要通过如下命令，在hive中设置<code>hive.input.format</code>：</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>hive> set hive.input.format=org.apache.hadoop.hive.ql.io.HiveInputFormat; |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>现在，我们已经在hive中有了一个名为<code>only_sensor_1</code>的外部表。 |
| 我们可以使用HQL做任何查询来分析其中的数据。</p> <p>例如:</p> <h3 id="选择查询语句示例"><a href="#选择查询语句示例" class="header-anchor">#</a> 选择查询语句示例</h3> <div class="language- line-numbers-mode"><pre class="language-text"><code>hive> select * from only_sensor_1 limit 10; |
| OK |
| 1 1000000 |
| 2 1000001 |
| 3 1000002 |
| 4 1000003 |
| 5 1000004 |
| 6 1000005 |
| 7 1000006 |
| 8 1000007 |
| 9 1000008 |
| 10 1000009 |
| Time taken: 1.464 seconds, Fetched: 10 row(s) |
| </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><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number">12</span><br><span class="line-number">13</span><br></div></div><h3 id="聚合查询语句示例"><a href="#聚合查询语句示例" class="header-anchor">#</a> 聚合查询语句示例</h3> <div class="language- line-numbers-mode"><pre class="language-text"><code>hive> select count(*) from only_sensor_1; |
| WARNING: Hive-on-MR is deprecated in Hive 2 and may not be available in the future versions. Consider using a different execution engine (i.e. spark, tez) or using Hive 1.X releases. |
| Query ID = jackietien_20191016202416_d1e3e233-d367-4453-b39a-2aac9327a3b6 |
| Total jobs = 1 |
| Launching Job 1 out of 1 |
| Number of reduce tasks determined at compile time: 1 |
| In order to change the average load for a reducer (in bytes): |
| set hive.exec.reducers.bytes.per.reducer=<number> |
| In order to limit the maximum number of reducers: |
| set hive.exec.reducers.max=<number> |
| In order to set a constant number of reducers: |
| set mapreduce.job.reduces=<number> |
| Job running in-process (local Hadoop) |
| 2019-10-16 20:24:18,305 Stage-1 map = 0%, reduce = 0% |
| 2019-10-16 20:24:27,443 Stage-1 map = 100%, reduce = 100% |
| Ended Job = job_local867757288_0002 |
| MapReduce Jobs Launched: |
| Stage-Stage-1: HDFS Read: 0 HDFS Write: 0 SUCCESS |
| Total MapReduce CPU Time Spent: 0 msec |
| OK |
| 1000000 |
| Time taken: 11.334 seconds, Fetched: 1 row(s) |
| </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><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number">12</span><br><span class="line-number">13</span><br><span class="line-number">14</span><br><span class="line-number">15</span><br><span class="line-number">16</span><br><span class="line-number">17</span><br><span class="line-number">18</span><br><span class="line-number">19</span><br><span class="line-number">20</span><br><span class="line-number">21</span><br><span class="line-number">22</span><br></div></div><h2 id="后续工作"><a href="#后续工作" class="header-anchor">#</a> 后续工作</h2> <p>我们现在仅支持查询操作，写操作的支持还在开发中...</p></div> <div class="page-nav"><p class="inner"><span class="prev"> |
| ← |
| <a href="/zh/UserGuide/V0.9.x/7-Ecosystem Integration/4-Spark IoTDB.html" class="prev"> |
| Spark IoTDB |
| </a></span> <span class="next"><a href="/zh/UserGuide/V0.9.x/8-System Design/1-Hierarchy.html"> |
| 层次结构 |
| </a> |
| → |
| </span></p></div> <p style="text-align: center;">Copyright © 2021 The Apache Software Foundation.<br> |
| Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444"> |
| Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br> |
| see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div> |
| <script src="/assets/js/app.821c382f.js" defer></script><script src="/assets/js/3.5626571b.js" defer></script><script src="/assets/js/524.a0faf49c.js" defer></script> |
| </body> |
| </html> |
