| <!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.ee5246b1.css" as="style"><link rel="preload" href="/assets/js/app.7887fc7d.js" as="script"><link rel="preload" href="/assets/js/3.e95317f3.js" as="script"><link rel="preload" href="/assets/js/95.c6ca097f.js" as="script"><link rel="prefetch" href="/assets/js/10.77e7d27b.js"><link rel="prefetch" href="/assets/js/100.3d23df55.js"><link rel="prefetch" href="/assets/js/101.be5221bb.js"><link rel="prefetch" href="/assets/js/102.19bbc744.js"><link rel="prefetch" href="/assets/js/103.d96ffb14.js"><link rel="prefetch" href="/assets/js/104.d0be0e25.js"><link rel="prefetch" href="/assets/js/105.cccf9779.js"><link rel="prefetch" href="/assets/js/106.f164036b.js"><link rel="prefetch" href="/assets/js/107.10805baa.js"><link rel="prefetch" href="/assets/js/108.f245629a.js"><link rel="prefetch" href="/assets/js/109.4dff92b4.js"><link rel="prefetch" href="/assets/js/11.242ea813.js"><link rel="prefetch" href="/assets/js/110.4961b1bd.js"><link rel="prefetch" href="/assets/js/111.a5f24104.js"><link rel="prefetch" href="/assets/js/112.44732d74.js"><link rel="prefetch" href="/assets/js/113.46505989.js"><link rel="prefetch" href="/assets/js/114.9dc83215.js"><link rel="prefetch" href="/assets/js/115.bf8fc271.js"><link rel="prefetch" href="/assets/js/116.b394d6f1.js"><link rel="prefetch" href="/assets/js/117.f9d2ec17.js"><link rel="prefetch" href="/assets/js/118.d8348dde.js"><link rel="prefetch" href="/assets/js/119.b14d7d0b.js"><link rel="prefetch" href="/assets/js/12.4c48405a.js"><link rel="prefetch" href="/assets/js/120.111f8b9d.js"><link rel="prefetch" href="/assets/js/121.bc24c094.js"><link rel="prefetch" href="/assets/js/122.f5abfd87.js"><link rel="prefetch" href="/assets/js/123.a17d7264.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.caaf5e01.js"><link rel="prefetch" href="/assets/js/127.caf2f898.js"><link rel="prefetch" href="/assets/js/128.8157fd11.js"><link rel="prefetch" href="/assets/js/129.95955430.js"><link rel="prefetch" href="/assets/js/13.43c63c4e.js"><link rel="prefetch" href="/assets/js/130.d515f028.js"><link rel="prefetch" href="/assets/js/131.e5ec8d01.js"><link rel="prefetch" href="/assets/js/132.717034ed.js"><link rel="prefetch" href="/assets/js/133.5ac0b1d4.js"><link rel="prefetch" href="/assets/js/134.d1975511.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/137.88ca76ee.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/14.939be0f9.js"><link rel="prefetch" href="/assets/js/140.1aca46a7.js"><link rel="prefetch" href="/assets/js/141.f4cd2178.js"><link rel="prefetch" href="/assets/js/142.0c7fb726.js"><link rel="prefetch" href="/assets/js/143.d12d3fbe.js"><link rel="prefetch" href="/assets/js/144.880c0628.js"><link rel="prefetch" href="/assets/js/145.1f702260.js"><link rel="prefetch" href="/assets/js/146.8efde8d7.js"><link rel="prefetch" href="/assets/js/147.953c18e2.js"><link rel="prefetch" href="/assets/js/148.d9d3a33c.js"><link rel="prefetch" href="/assets/js/149.47acfbaf.js"><link rel="prefetch" href="/assets/js/15.bf1d2930.js"><link rel="prefetch" href="/assets/js/150.973f7a4f.js"><link rel="prefetch" href="/assets/js/151.ed930766.js"><link rel="prefetch" href="/assets/js/152.5a2a8993.js"><link rel="prefetch" href="/assets/js/153.ecdeebf0.js"><link rel="prefetch" href="/assets/js/154.1586319b.js"><link rel="prefetch" href="/assets/js/155.8e74c6d3.js"><link rel="prefetch" href="/assets/js/156.5389615c.js"><link rel="prefetch" href="/assets/js/157.62020cad.js"><link rel="prefetch" href="/assets/js/158.b6155892.js"><link rel="prefetch" href="/assets/js/159.969149d7.js"><link rel="prefetch" href="/assets/js/16.8d99ed47.js"><link rel="prefetch" href="/assets/js/160.6a1268f8.js"><link rel="prefetch" href="/assets/js/161.6ac36ecc.js"><link rel="prefetch" href="/assets/js/162.5878c48c.js"><link rel="prefetch" href="/assets/js/163.5fcee302.js"><link rel="prefetch" href="/assets/js/164.1a75dcd9.js"><link rel="prefetch" href="/assets/js/165.29bdf72b.js"><link rel="prefetch" href="/assets/js/166.40a3f23d.js"><link rel="prefetch" href="/assets/js/167.a5ee4bdd.js"><link rel="prefetch" href="/assets/js/168.bdd4f4a4.js"><link rel="prefetch" href="/assets/js/169.ea447565.js"><link rel="prefetch" href="/assets/js/17.eb141f9f.js"><link rel="prefetch" href="/assets/js/170.d07644e9.js"><link rel="prefetch" href="/assets/js/171.2feecdf1.js"><link rel="prefetch" href="/assets/js/172.66678712.js"><link rel="prefetch" href="/assets/js/173.07bcc110.js"><link rel="prefetch" href="/assets/js/174.bb8dd7b0.js"><link rel="prefetch" href="/assets/js/175.52d930f3.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/178.043c73fd.js"><link rel="prefetch" href="/assets/js/179.b4a7265e.js"><link rel="prefetch" href="/assets/js/18.f11d7ed3.js"><link rel="prefetch" href="/assets/js/180.ca3f1a86.js"><link rel="prefetch" href="/assets/js/181.2801ac19.js"><link rel="prefetch" href="/assets/js/182.3dd5036d.js"><link rel="prefetch" href="/assets/js/183.dcdd2571.js"><link rel="prefetch" href="/assets/js/184.ee549c3e.js"><link rel="prefetch" href="/assets/js/185.3ab95b2e.js"><link rel="prefetch" href="/assets/js/186.6d321767.js"><link rel="prefetch" href="/assets/js/187.6ff8df1b.js"><link rel="prefetch" href="/assets/js/188.42ca4824.js"><link rel="prefetch" href="/assets/js/189.cb825031.js"><link rel="prefetch" href="/assets/js/19.9187dec1.js"><link rel="prefetch" href="/assets/js/190.c3ae726f.js"><link rel="prefetch" href="/assets/js/191.983f4a8f.js"><link rel="prefetch" href="/assets/js/192.b35094f0.js"><link rel="prefetch" href="/assets/js/193.a822adee.js"><link rel="prefetch" href="/assets/js/194.0b990bce.js"><link rel="prefetch" href="/assets/js/195.36a17d0f.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/198.32ed05b4.js"><link rel="prefetch" href="/assets/js/199.b912b711.js"><link rel="prefetch" href="/assets/js/20.cf088c3b.js"><link rel="prefetch" href="/assets/js/200.ae99c7c2.js"><link rel="prefetch" href="/assets/js/201.eab5c4ad.js"><link rel="prefetch" href="/assets/js/202.9e1d7395.js"><link rel="prefetch" href="/assets/js/203.ffe0369b.js"><link rel="prefetch" href="/assets/js/204.11e5dac0.js"><link rel="prefetch" href="/assets/js/205.e0a8b73d.js"><link rel="prefetch" href="/assets/js/206.c3aaf3f9.js"><link rel="prefetch" href="/assets/js/207.9364d8c0.js"><link rel="prefetch" href="/assets/js/208.042f2383.js"><link rel="prefetch" href="/assets/js/209.8e1f2635.js"><link rel="prefetch" href="/assets/js/21.acbfa763.js"><link rel="prefetch" href="/assets/js/210.fe9edc74.js"><link rel="prefetch" href="/assets/js/211.daebdc8c.js"><link rel="prefetch" href="/assets/js/212.32f34e4f.js"><link rel="prefetch" href="/assets/js/213.aea5843e.js"><link rel="prefetch" href="/assets/js/214.f1e6babb.js"><link rel="prefetch" href="/assets/js/215.25a1d355.js"><link rel="prefetch" href="/assets/js/216.6aa72a6d.js"><link rel="prefetch" href="/assets/js/217.ab7dbf81.js"><link rel="prefetch" href="/assets/js/218.79eaf6c1.js"><link rel="prefetch" href="/assets/js/219.50a9778c.js"><link rel="prefetch" href="/assets/js/22.1e7200c8.js"><link rel="prefetch" href="/assets/js/220.e390dce1.js"><link rel="prefetch" href="/assets/js/221.2f844304.js"><link rel="prefetch" href="/assets/js/222.dca39118.js"><link rel="prefetch" href="/assets/js/223.b09c67b8.js"><link rel="prefetch" href="/assets/js/224.68492758.js"><link rel="prefetch" href="/assets/js/225.20b107db.js"><link rel="prefetch" href="/assets/js/226.d1b27223.js"><link rel="prefetch" href="/assets/js/227.27f9e404.js"><link rel="prefetch" href="/assets/js/228.eaa4bf47.js"><link rel="prefetch" href="/assets/js/229.f6c27c20.js"><link rel="prefetch" href="/assets/js/23.91ba0b88.js"><link rel="prefetch" href="/assets/js/230.88081b9a.js"><link rel="prefetch" href="/assets/js/231.3571469f.js"><link rel="prefetch" href="/assets/js/232.cc478a93.js"><link rel="prefetch" href="/assets/js/233.0e95edce.js"><link rel="prefetch" href="/assets/js/234.abbd03b2.js"><link rel="prefetch" href="/assets/js/235.5fbd38f1.js"><link rel="prefetch" href="/assets/js/236.376ff47b.js"><link rel="prefetch" href="/assets/js/237.66598776.js"><link rel="prefetch" href="/assets/js/238.95a512b2.js"><link rel="prefetch" href="/assets/js/239.fd68bcfd.js"><link rel="prefetch" href="/assets/js/24.de37758e.js"><link rel="prefetch" href="/assets/js/240.192f46a6.js"><link rel="prefetch" href="/assets/js/241.5f8a330f.js"><link rel="prefetch" href="/assets/js/242.ede52a1f.js"><link rel="prefetch" href="/assets/js/243.844bbb27.js"><link rel="prefetch" href="/assets/js/244.2244501e.js"><link rel="prefetch" href="/assets/js/245.7a918f1b.js"><link rel="prefetch" href="/assets/js/246.d52fc54c.js"><link rel="prefetch" href="/assets/js/247.78cf01d5.js"><link rel="prefetch" href="/assets/js/248.3c20dee2.js"><link rel="prefetch" href="/assets/js/249.c0b8690e.js"><link rel="prefetch" href="/assets/js/25.6b7591da.js"><link rel="prefetch" href="/assets/js/250.75f19d18.js"><link rel="prefetch" href="/assets/js/251.2099ebdb.js"><link rel="prefetch" href="/assets/js/252.f9a1a66f.js"><link rel="prefetch" href="/assets/js/253.28cae5c9.js"><link rel="prefetch" href="/assets/js/254.f315a0f9.js"><link rel="prefetch" href="/assets/js/255.6ce72c1e.js"><link rel="prefetch" href="/assets/js/256.abcbc078.js"><link rel="prefetch" href="/assets/js/257.ea907563.js"><link rel="prefetch" href="/assets/js/258.83224265.js"><link rel="prefetch" href="/assets/js/259.3ebd3c85.js"><link rel="prefetch" href="/assets/js/26.108ee393.js"><link rel="prefetch" href="/assets/js/260.7ad9441d.js"><link rel="prefetch" href="/assets/js/261.cdbb6f97.js"><link rel="prefetch" href="/assets/js/262.18c2565a.js"><link rel="prefetch" href="/assets/js/263.70e3fd11.js"><link rel="prefetch" href="/assets/js/264.2cd313a5.js"><link rel="prefetch" href="/assets/js/265.b5bafd78.js"><link rel="prefetch" href="/assets/js/266.ca225af9.js"><link rel="prefetch" href="/assets/js/267.d5a13073.js"><link rel="prefetch" href="/assets/js/268.4baa57e6.js"><link rel="prefetch" href="/assets/js/269.b3d7da69.js"><link rel="prefetch" href="/assets/js/27.9e25f953.js"><link rel="prefetch" href="/assets/js/270.21cd9ffc.js"><link rel="prefetch" href="/assets/js/271.8f9420fc.js"><link rel="prefetch" href="/assets/js/272.e6242ac1.js"><link rel="prefetch" href="/assets/js/273.c90f2a89.js"><link rel="prefetch" href="/assets/js/274.cda8997d.js"><link rel="prefetch" href="/assets/js/275.785fd825.js"><link rel="prefetch" href="/assets/js/276.cdb78c5d.js"><link rel="prefetch" href="/assets/js/277.be1d9950.js"><link rel="prefetch" href="/assets/js/278.b1078ada.js"><link rel="prefetch" href="/assets/js/279.6f5f3180.js"><link rel="prefetch" href="/assets/js/28.3c32d4f2.js"><link rel="prefetch" href="/assets/js/280.70f3e9dc.js"><link rel="prefetch" href="/assets/js/281.b3e99172.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/284.0f05e581.js"><link rel="prefetch" href="/assets/js/285.c2a7d344.js"><link rel="prefetch" href="/assets/js/286.5840fbc6.js"><link rel="prefetch" href="/assets/js/287.717747bf.js"><link rel="prefetch" href="/assets/js/288.a1f73477.js"><link rel="prefetch" href="/assets/js/289.07f00c2e.js"><link rel="prefetch" href="/assets/js/29.015a0cef.js"><link rel="prefetch" href="/assets/js/290.b651e1bf.js"><link rel="prefetch" href="/assets/js/291.a43c067c.js"><link rel="prefetch" href="/assets/js/292.00248fba.js"><link rel="prefetch" href="/assets/js/293.c7435e67.js"><link rel="prefetch" href="/assets/js/294.2ea2e805.js"><link rel="prefetch" href="/assets/js/295.556d1ea9.js"><link rel="prefetch" href="/assets/js/296.d386f7e9.js"><link rel="prefetch" href="/assets/js/297.2697f10a.js"><link rel="prefetch" href="/assets/js/298.86533308.js"><link rel="prefetch" href="/assets/js/299.3c3e00ac.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/301.4528aa69.js"><link rel="prefetch" href="/assets/js/302.03d8c96e.js"><link rel="prefetch" href="/assets/js/303.75858153.js"><link rel="prefetch" href="/assets/js/304.1e5b798c.js"><link rel="prefetch" href="/assets/js/305.fc662c9f.js"><link rel="prefetch" href="/assets/js/306.bb5f543b.js"><link rel="prefetch" href="/assets/js/307.e3d537d7.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.f03e6756.js"><link rel="prefetch" href="/assets/js/312.adc2b837.js"><link rel="prefetch" href="/assets/js/313.6747e440.js"><link rel="prefetch" href="/assets/js/314.6c604674.js"><link rel="prefetch" href="/assets/js/315.71d939d3.js"><link rel="prefetch" href="/assets/js/316.f6d86b84.js"><link rel="prefetch" href="/assets/js/317.c15c2c4c.js"><link rel="prefetch" href="/assets/js/318.68313c3a.js"><link rel="prefetch" href="/assets/js/319.fea529b6.js"><link rel="prefetch" href="/assets/js/32.c5d0178e.js"><link rel="prefetch" href="/assets/js/320.7beb1ef0.js"><link rel="prefetch" href="/assets/js/321.20d5d1ab.js"><link rel="prefetch" href="/assets/js/322.2369f172.js"><link rel="prefetch" href="/assets/js/323.23a1d997.js"><link rel="prefetch" href="/assets/js/324.3267680b.js"><link rel="prefetch" href="/assets/js/325.9ce35f73.js"><link rel="prefetch" href="/assets/js/326.b247138d.js"><link rel="prefetch" href="/assets/js/327.982a62b1.js"><link rel="prefetch" href="/assets/js/328.0d29c6f4.js"><link rel="prefetch" href="/assets/js/329.08e04f5a.js"><link rel="prefetch" href="/assets/js/33.b678d537.js"><link rel="prefetch" href="/assets/js/330.292a71a2.js"><link rel="prefetch" href="/assets/js/331.f44d5ebe.js"><link rel="prefetch" href="/assets/js/332.3a435e40.js"><link rel="prefetch" href="/assets/js/333.e4ad8c98.js"><link rel="prefetch" href="/assets/js/334.6da4c229.js"><link rel="prefetch" href="/assets/js/335.5f95eecd.js"><link rel="prefetch" href="/assets/js/336.63a583ef.js"><link rel="prefetch" href="/assets/js/337.889f0746.js"><link rel="prefetch" href="/assets/js/338.bb9c8640.js"><link rel="prefetch" href="/assets/js/339.2369a49a.js"><link rel="prefetch" href="/assets/js/34.5dfe1291.js"><link rel="prefetch" href="/assets/js/340.1ae5772c.js"><link rel="prefetch" href="/assets/js/341.00b2a076.js"><link rel="prefetch" href="/assets/js/342.4177b892.js"><link rel="prefetch" href="/assets/js/343.016b202e.js"><link rel="prefetch" href="/assets/js/344.38018846.js"><link rel="prefetch" href="/assets/js/345.9614a406.js"><link rel="prefetch" href="/assets/js/346.ca7f71ab.js"><link rel="prefetch" href="/assets/js/347.ce80b7e2.js"><link rel="prefetch" href="/assets/js/348.ed7dd967.js"><link rel="prefetch" href="/assets/js/349.ceac5d17.js"><link rel="prefetch" href="/assets/js/35.5612ab6a.js"><link rel="prefetch" href="/assets/js/350.8296d2c0.js"><link rel="prefetch" href="/assets/js/351.b3867c0f.js"><link rel="prefetch" href="/assets/js/352.b89c0b78.js"><link rel="prefetch" href="/assets/js/353.5a538072.js"><link rel="prefetch" href="/assets/js/354.ed910222.js"><link rel="prefetch" href="/assets/js/355.ff6d2ad5.js"><link rel="prefetch" href="/assets/js/356.030c11ab.js"><link rel="prefetch" href="/assets/js/357.f592f8e4.js"><link rel="prefetch" href="/assets/js/358.fba3ea1c.js"><link rel="prefetch" href="/assets/js/359.71793f37.js"><link rel="prefetch" href="/assets/js/36.4e36f97e.js"><link rel="prefetch" href="/assets/js/360.f0233065.js"><link rel="prefetch" href="/assets/js/361.8562635d.js"><link rel="prefetch" href="/assets/js/362.f3b5d43e.js"><link rel="prefetch" href="/assets/js/363.4ed07cdb.js"><link rel="prefetch" href="/assets/js/364.ccb55b4f.js"><link rel="prefetch" href="/assets/js/365.c2fe6a65.js"><link rel="prefetch" href="/assets/js/366.705fb583.js"><link rel="prefetch" href="/assets/js/367.140df2b7.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/37.13b65e5d.js"><link rel="prefetch" href="/assets/js/370.da836e39.js"><link rel="prefetch" href="/assets/js/371.c1d1c747.js"><link rel="prefetch" href="/assets/js/372.31343bb2.js"><link rel="prefetch" href="/assets/js/373.aa42888a.js"><link rel="prefetch" href="/assets/js/374.d8c4c7f6.js"><link rel="prefetch" href="/assets/js/375.f88c3c53.js"><link rel="prefetch" href="/assets/js/376.a8fd27de.js"><link rel="prefetch" href="/assets/js/377.6dc96862.js"><link rel="prefetch" href="/assets/js/378.bfde20e4.js"><link rel="prefetch" href="/assets/js/379.879738d8.js"><link rel="prefetch" href="/assets/js/38.c6f83038.js"><link rel="prefetch" href="/assets/js/380.105520b2.js"><link rel="prefetch" href="/assets/js/381.8289dc7d.js"><link rel="prefetch" href="/assets/js/382.a1239949.js"><link rel="prefetch" href="/assets/js/383.04d48637.js"><link rel="prefetch" href="/assets/js/384.85cd434d.js"><link rel="prefetch" href="/assets/js/385.e7aa33d8.js"><link rel="prefetch" href="/assets/js/386.54457f90.js"><link rel="prefetch" href="/assets/js/387.3b662ff8.js"><link rel="prefetch" href="/assets/js/388.a441537c.js"><link rel="prefetch" href="/assets/js/389.61634031.js"><link rel="prefetch" href="/assets/js/39.977e55a2.js"><link rel="prefetch" href="/assets/js/390.f9402f44.js"><link rel="prefetch" href="/assets/js/391.da4afab5.js"><link rel="prefetch" href="/assets/js/392.10795946.js"><link rel="prefetch" href="/assets/js/393.c4574540.js"><link rel="prefetch" href="/assets/js/394.e1e83e03.js"><link rel="prefetch" href="/assets/js/395.130e1e4c.js"><link rel="prefetch" href="/assets/js/396.bd83e3b3.js"><link rel="prefetch" href="/assets/js/397.e8061a94.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/4.16ee65d3.js"><link rel="prefetch" href="/assets/js/40.83fa7936.js"><link rel="prefetch" href="/assets/js/400.d81bf0a6.js"><link rel="prefetch" href="/assets/js/401.a43a8121.js"><link rel="prefetch" href="/assets/js/402.39b8bbff.js"><link rel="prefetch" href="/assets/js/403.d18ffde3.js"><link rel="prefetch" href="/assets/js/404.7cdedcba.js"><link rel="prefetch" href="/assets/js/405.57bc9408.js"><link rel="prefetch" href="/assets/js/406.0221be18.js"><link rel="prefetch" href="/assets/js/407.b6d62a2e.js"><link rel="prefetch" href="/assets/js/408.a4e2800b.js"><link rel="prefetch" href="/assets/js/409.a48324e3.js"><link rel="prefetch" href="/assets/js/41.f483212d.js"><link rel="prefetch" href="/assets/js/410.407cdfc2.js"><link rel="prefetch" href="/assets/js/411.7495092e.js"><link rel="prefetch" href="/assets/js/412.0714380f.js"><link rel="prefetch" href="/assets/js/413.a678292f.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.d10b9516.js"><link rel="prefetch" href="/assets/js/418.d08b9633.js"><link rel="prefetch" href="/assets/js/419.f37696a2.js"><link rel="prefetch" href="/assets/js/42.d7b203f7.js"><link rel="prefetch" href="/assets/js/420.f9c6fd90.js"><link rel="prefetch" href="/assets/js/421.9f59b9c4.js"><link rel="prefetch" href="/assets/js/422.6dcf344f.js"><link rel="prefetch" href="/assets/js/423.b3b67451.js"><link rel="prefetch" href="/assets/js/424.97aa13f2.js"><link rel="prefetch" href="/assets/js/425.bf12e1f3.js"><link rel="prefetch" href="/assets/js/426.a1fd7ab6.js"><link rel="prefetch" href="/assets/js/427.b96b2653.js"><link rel="prefetch" href="/assets/js/428.35757cbb.js"><link rel="prefetch" href="/assets/js/429.78029bf3.js"><link rel="prefetch" href="/assets/js/43.27b35514.js"><link rel="prefetch" href="/assets/js/430.eebb256a.js"><link rel="prefetch" href="/assets/js/431.46569ccf.js"><link rel="prefetch" href="/assets/js/432.fdf7678a.js"><link rel="prefetch" href="/assets/js/433.c50bf30d.js"><link rel="prefetch" href="/assets/js/434.abe5ffe2.js"><link rel="prefetch" href="/assets/js/435.f7d1dc69.js"><link rel="prefetch" href="/assets/js/436.064bf5ec.js"><link rel="prefetch" href="/assets/js/437.6528d4b5.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.fee39d6b.js"><link rel="prefetch" href="/assets/js/440.af5c7db7.js"><link rel="prefetch" href="/assets/js/441.6cbb519b.js"><link rel="prefetch" href="/assets/js/442.5febb7ff.js"><link rel="prefetch" href="/assets/js/443.fd1843fd.js"><link rel="prefetch" href="/assets/js/444.76bdb4d8.js"><link rel="prefetch" href="/assets/js/445.372dde37.js"><link rel="prefetch" href="/assets/js/446.c5500da6.js"><link rel="prefetch" href="/assets/js/447.e57098da.js"><link rel="prefetch" href="/assets/js/448.e0a893f1.js"><link rel="prefetch" href="/assets/js/449.87a7d812.js"><link rel="prefetch" href="/assets/js/45.244b7680.js"><link rel="prefetch" href="/assets/js/450.d2ff1755.js"><link rel="prefetch" href="/assets/js/451.1fd0c1c8.js"><link rel="prefetch" href="/assets/js/452.79a84070.js"><link rel="prefetch" href="/assets/js/453.081be49a.js"><link rel="prefetch" href="/assets/js/454.215f5914.js"><link rel="prefetch" href="/assets/js/455.93f4a8e9.js"><link rel="prefetch" href="/assets/js/456.6f2ad166.js"><link rel="prefetch" href="/assets/js/457.02916722.js"><link rel="prefetch" href="/assets/js/458.693c4b3f.js"><link rel="prefetch" href="/assets/js/459.6c40344f.js"><link rel="prefetch" href="/assets/js/46.539f062d.js"><link rel="prefetch" href="/assets/js/460.1abdd421.js"><link rel="prefetch" href="/assets/js/461.17de88b4.js"><link rel="prefetch" href="/assets/js/462.4992918e.js"><link rel="prefetch" href="/assets/js/463.822487eb.js"><link rel="prefetch" href="/assets/js/464.06e06e5f.js"><link rel="prefetch" href="/assets/js/465.a8432b3e.js"><link rel="prefetch" href="/assets/js/466.9ba150b3.js"><link rel="prefetch" href="/assets/js/467.d63b0102.js"><link rel="prefetch" href="/assets/js/468.e44ca4ad.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.c54879d2.js"><link rel="prefetch" href="/assets/js/471.5a074990.js"><link rel="prefetch" href="/assets/js/472.c6ae75fe.js"><link rel="prefetch" href="/assets/js/473.a4ddaa83.js"><link rel="prefetch" href="/assets/js/474.9e1d826e.js"><link rel="prefetch" href="/assets/js/475.dfa78b34.js"><link rel="prefetch" href="/assets/js/476.d3d7903f.js"><link rel="prefetch" href="/assets/js/477.53ea6252.js"><link rel="prefetch" href="/assets/js/478.2fc6c06d.js"><link rel="prefetch" href="/assets/js/479.5273e3b0.js"><link rel="prefetch" href="/assets/js/48.ad2c2a29.js"><link rel="prefetch" href="/assets/js/480.2c5469ee.js"><link rel="prefetch" href="/assets/js/481.8db266f2.js"><link rel="prefetch" href="/assets/js/482.e99998c3.js"><link rel="prefetch" href="/assets/js/483.5a48543e.js"><link rel="prefetch" href="/assets/js/484.68f46df4.js"><link rel="prefetch" href="/assets/js/485.0cd6f0c8.js"><link rel="prefetch" href="/assets/js/486.7a12b540.js"><link rel="prefetch" href="/assets/js/487.bfd71fcd.js"><link rel="prefetch" href="/assets/js/488.60844ada.js"><link rel="prefetch" href="/assets/js/489.322a0427.js"><link rel="prefetch" href="/assets/js/49.a22d6593.js"><link rel="prefetch" href="/assets/js/490.ce5868c8.js"><link rel="prefetch" href="/assets/js/491.23af2e75.js"><link rel="prefetch" href="/assets/js/492.0364484b.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.a5be8561.js"><link rel="prefetch" href="/assets/js/498.90de0ef4.js"><link rel="prefetch" href="/assets/js/499.6816e90d.js"><link rel="prefetch" href="/assets/js/5.a65ff2f8.js"><link rel="prefetch" href="/assets/js/50.c39a397c.js"><link rel="prefetch" href="/assets/js/500.38aca106.js"><link rel="prefetch" href="/assets/js/501.023b470c.js"><link rel="prefetch" href="/assets/js/502.ddc19143.js"><link rel="prefetch" href="/assets/js/503.a19eff50.js"><link rel="prefetch" href="/assets/js/504.bb10c7b2.js"><link rel="prefetch" href="/assets/js/505.2fc64d4f.js"><link rel="prefetch" href="/assets/js/506.f478c1cd.js"><link rel="prefetch" href="/assets/js/507.5946b703.js"><link rel="prefetch" href="/assets/js/508.20b4604f.js"><link rel="prefetch" href="/assets/js/509.37ae4417.js"><link rel="prefetch" href="/assets/js/51.65940de1.js"><link rel="prefetch" href="/assets/js/510.e67b123c.js"><link rel="prefetch" href="/assets/js/511.dd751df9.js"><link rel="prefetch" href="/assets/js/512.76ccb56b.js"><link rel="prefetch" href="/assets/js/513.cea8c17a.js"><link rel="prefetch" href="/assets/js/514.586fc8e9.js"><link rel="prefetch" href="/assets/js/515.a3a47a93.js"><link rel="prefetch" href="/assets/js/516.f3a415a5.js"><link rel="prefetch" href="/assets/js/517.cc500f62.js"><link rel="prefetch" href="/assets/js/518.f98a7497.js"><link rel="prefetch" href="/assets/js/519.a3b03f32.js"><link rel="prefetch" href="/assets/js/52.d8e20165.js"><link rel="prefetch" href="/assets/js/520.939b81b9.js"><link rel="prefetch" href="/assets/js/521.3f02a2f9.js"><link rel="prefetch" href="/assets/js/522.834a72cf.js"><link rel="prefetch" href="/assets/js/523.8aed06fe.js"><link rel="prefetch" href="/assets/js/524.9ec10bf7.js"><link rel="prefetch" href="/assets/js/525.7e185062.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.f69e6824.js"><link rel="prefetch" href="/assets/js/54.28efaf2b.js"><link rel="prefetch" href="/assets/js/55.5aa8e649.js"><link rel="prefetch" href="/assets/js/56.2158a789.js"><link rel="prefetch" href="/assets/js/57.8c245fa0.js"><link rel="prefetch" href="/assets/js/58.449bd56c.js"><link rel="prefetch" href="/assets/js/59.d130f36b.js"><link rel="prefetch" href="/assets/js/6.3450075a.js"><link rel="prefetch" href="/assets/js/60.01d90e4c.js"><link rel="prefetch" href="/assets/js/61.a2162f6b.js"><link rel="prefetch" href="/assets/js/62.0bbeddb9.js"><link rel="prefetch" href="/assets/js/63.d71ce170.js"><link rel="prefetch" href="/assets/js/64.bfb9192d.js"><link rel="prefetch" href="/assets/js/65.59e05d0e.js"><link rel="prefetch" href="/assets/js/66.2e3b14b0.js"><link rel="prefetch" href="/assets/js/67.96bf3b2b.js"><link rel="prefetch" href="/assets/js/68.99808d36.js"><link rel="prefetch" href="/assets/js/69.ec126bd0.js"><link rel="prefetch" href="/assets/js/7.c5c54fb4.js"><link rel="prefetch" href="/assets/js/70.a4cfbe7e.js"><link rel="prefetch" href="/assets/js/71.c38f1727.js"><link rel="prefetch" href="/assets/js/72.d2f7dd9e.js"><link rel="prefetch" href="/assets/js/73.42d4e18f.js"><link rel="prefetch" href="/assets/js/74.898caca2.js"><link rel="prefetch" href="/assets/js/75.4a98fa3a.js"><link rel="prefetch" href="/assets/js/76.c9b253ae.js"><link rel="prefetch" href="/assets/js/77.04537ded.js"><link rel="prefetch" href="/assets/js/78.6ffe2cb8.js"><link rel="prefetch" href="/assets/js/79.dfb42a43.js"><link rel="prefetch" href="/assets/js/8.68d2fe5c.js"><link rel="prefetch" href="/assets/js/80.1bd71d11.js"><link rel="prefetch" href="/assets/js/81.f5c2a58b.js"><link rel="prefetch" href="/assets/js/82.d0bed0ec.js"><link rel="prefetch" href="/assets/js/83.59f67187.js"><link rel="prefetch" href="/assets/js/84.392513b9.js"><link rel="prefetch" href="/assets/js/85.b7e3ce8d.js"><link rel="prefetch" href="/assets/js/86.77e4cd7e.js"><link rel="prefetch" href="/assets/js/87.b5c9fdf9.js"><link rel="prefetch" href="/assets/js/88.917254e5.js"><link rel="prefetch" href="/assets/js/89.043c0beb.js"><link rel="prefetch" href="/assets/js/9.3d553ee1.js"><link rel="prefetch" href="/assets/js/90.067e4cf8.js"><link rel="prefetch" href="/assets/js/91.ee6572f6.js"><link rel="prefetch" href="/assets/js/92.f212e237.js"><link rel="prefetch" href="/assets/js/93.f4c32efe.js"><link rel="prefetch" href="/assets/js/94.7f1c1e2e.js"><link rel="prefetch" href="/assets/js/96.fdb9779d.js"><link rel="prefetch" href="/assets/js/97.2253256b.js"><link rel="prefetch" href="/assets/js/98.420029fd.js"><link rel="prefetch" href="/assets/js/99.f3420e41.js"><link rel="prefetch" href="/assets/js/vendors~docsearch.eff714eb.js"> |
| <link rel="stylesheet" href="/assets/css/0.styles.ee5246b1.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/QuickStart/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/Master/QuickStart/ServerFileList.html" aria-current="page" class="nav-link router-link-exact-active router-link-active">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/Master/QuickStart/ServerFileList.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/QuickStart/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/Master/QuickStart/ServerFileList.html" aria-current="page" class="nav-link router-link-exact-active router-link-active">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/Master/QuickStart/ServerFileList.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 (In progress)</span> <!----></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>IoTDB Introduction</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>Quick Start</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>Data Concept</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>CLI</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>Administration Management</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>IoTDB-SQL Language</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>API</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>UDF</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>Communication Service Protocol</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>Collaboration of Edge and Cloud</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>Cluster Setup</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>FAQ</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>Appendix</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"><blockquote><p>Here are all files generated or used by IoTDB</p> <p>Continuously Updating...</p></blockquote> <h1 id="stand-alone"><a href="#stand-alone" class="header-anchor">#</a> Stand-alone</h1> <h2 id="configuration-files"><a href="#configuration-files" class="header-anchor">#</a> Configuration Files</h2> <blockquote><p>under conf directory</p></blockquote> <ol><li>iotdb-engine.properties</li> <li>logback.xml</li> <li>iotdb-env.sh</li> <li>jmx.access</li> <li>jmx.password</li> <li>iotdb-sync-client.properties |
| <ul><li>only sync tool use it</li></ul></li></ol> <blockquote><p>under directory basedir/system/schema</p></blockquote> <ol><li>system.properties |
| <ul><li>record all immutable properties, will be checked when starting IoTDB to avoid system errors</li></ul></li></ol> <h2 id="state-related-files"><a href="#state-related-files" class="header-anchor">#</a> State Related Files</h2> <h3 id="metadata-related-files"><a href="#metadata-related-files" class="header-anchor">#</a> MetaData Related Files</h3> <blockquote><p>under directory basedir/system/schema</p></blockquote> <h4 id="meta"><a href="#meta" class="header-anchor">#</a> Meta</h4> <ol><li>mlog.bin |
| <ul><li>record the meta operation</li></ul></li> <li>mtree-1.snapshot |
| <ul><li>snapshot of metadata</li></ul></li> <li>mtree-1.snapshot.tmp |
| <ul><li>temp file, to avoid damaging the snapshot when updating it</li></ul></li></ol> <h4 id="tags-attributes"><a href="#tags-attributes" class="header-anchor">#</a> Tags&Attributes</h4> <ol><li>tlog.txt |
| <ul><li>store tags and attributes of each TimeSeries</li> <li>about 700 bytes for each TimeSeries</li></ul></li></ol> <h3 id="data-related-files"><a href="#data-related-files" class="header-anchor">#</a> Data Related Files</h3> <blockquote><p>under directory basedir/data/</p></blockquote> <h4 id="wal"><a href="#wal" class="header-anchor">#</a> WAL</h4> <blockquote><p>under directory basedir/wal</p></blockquote> <ol><li>{StorageGroupName}-{TsFileName}/wal1 |
| <ul><li>every storage group has several wal files, and every memtable has one associated wal file before it is flushed into a TsFile</li></ul></li></ol> <h4 id="tsfile"><a href="#tsfile" class="header-anchor">#</a> TsFile</h4> <blockquote><p>under directory data/sequence or unsequence/{StorageGroupName}/{TimePartitionId}/</p></blockquote> <ol><li>{time}-{version}-{mergeCnt}.tsfile |
| <ul><li>normal data file</li></ul></li> <li>{TsFileName}.tsfile.mod |
| <ul><li>modification file</li> <li>record delete operation</li></ul></li></ol> <h4 id="tsfileresource"><a href="#tsfileresource" class="header-anchor">#</a> TsFileResource</h4> <ol><li>{TsFileName}.tsfile.resource |
| <ul><li>descriptor and statistic file of a TsFile</li></ul></li> <li>{TsFileName}.tsfile.resource.temp |
| <ul><li>temp file</li> <li>avoid damaging the tsfile.resource when updating it</li></ul></li> <li>{TsFileName}.tsfile.resource.closing |
| <ul><li>close flag file, to mark a tsfile closing so during restarts we can continue to close it or reopen it</li></ul></li></ol> <h4 id="version"><a href="#version" class="header-anchor">#</a> Version</h4> <blockquote><p>under directory basedir/system/storage_groups/{StorageGroupName}/{TimePartitionId} or upgrade</p></blockquote> <ol><li>Version-{version} |
| <ul><li>version file, record the max version in fileName of a storage group</li></ul></li></ol> <h4 id="upgrade"><a href="#upgrade" class="header-anchor">#</a> Upgrade</h4> <blockquote><p>under directory basedir/system/upgrade</p></blockquote> <ol><li>upgrade.txt |
| <ul><li>record which files have been upgraded</li></ul></li></ol> <h4 id="merge"><a href="#merge" class="header-anchor">#</a> Merge</h4> <blockquote><p>under directory basedir/system/storage_groups/{StorageGroup}/</p></blockquote> <ol><li>merge.mods |
| <ul><li>modification file generated during a merge</li></ul></li> <li>merge.log |
| <ul><li>record the progress of a merge</li></ul></li> <li>tsfile.merge |
| <ul><li>temporary merge result file, an involved sequence tsfile may have one during a merge</li></ul></li></ol> <h4 id="authority"><a href="#authority" class="header-anchor">#</a> Authority</h4> <blockquote><p>under directory basedir/system/users/ |
| under directory basedir/system/roles/</p></blockquote> <h4 id="compressratio"><a href="#compressratio" class="header-anchor">#</a> CompressRatio</h4> <blockquote><p>under directory basedir/system/compression_ration</p></blockquote> <ol><li>Ration-{compressionRatioSum}-{calTimes} |
| <ul><li>record compression ratio of each tsfile</li></ul></li></ol> <hr> <h1 id="cluster-mode"><a href="#cluster-mode" class="header-anchor">#</a> Cluster-Mode</h1> <blockquote><p>Attention: the following files are newly added</p></blockquote> <h2 id="configuration-files-2"><a href="#configuration-files-2" class="header-anchor">#</a> Configuration Files</h2> <ol><li>iotdb-cluster.properties</li></ol> <h2 id="state-related-files-2"><a href="#state-related-files-2" class="header-anchor">#</a> State Related Files</h2> <blockquote><p>under directory basedir/</p></blockquote> <ol><li>node_identifier |
| <ul><li>the identifier of the local node in a cluster</li></ul></li> <li>partitions |
| <ul><li>partition table file, records the distribution of data</li></ul></li> <li>{time}_{random}.task |
| <ul><li>pullSnapshotTask file, record the slots and owners. When a node joins a cluster, |
| it will create pullSnapshotTask file to track which data to be pulled</li> <li>under directory basedir/raft/{nodeIdentifier}/snapshot_task/</li></ul></li></ol> <h2 id="raft-related-files"><a href="#raft-related-files" class="header-anchor">#</a> Raft Related Files</h2> <blockquote><p>under directory basedir/system/raftLog/{nodeIdentifier}/</p></blockquote> <h3 id="raft-log"><a href="#raft-log" class="header-anchor">#</a> Raft Log</h3> <ol><li>.data-{version} |
| <ul><li>raft committed logs, only save the latest 1000(configurable) committed logs</li></ul></li></ol> <h3 id="raft-meta"><a href="#raft-meta" class="header-anchor">#</a> Raft Meta</h3> <ol><li>logMeta |
| <ul><li>raft meta, like hardState and Meta |
| <ul><li>hardState: voteFor, term</li> <li>Meta: commitLogTerm, commitLogIndex, lastLogTerm, lastLogIndex</li> <li>...</li></ul></li></ul></li> <li>logMeta.tmp |
| <ul><li>temp file, to avoid damaging the logMeta when updating it</li></ul></li></ol> <h3 id="raft-catch-up"><a href="#raft-catch-up" class="header-anchor">#</a> Raft Catch Up</h3> <blockquote><p>under directory basedir/remote/{nodeIdentifier}/{storageGroupName}/{partitionNum}/</p></blockquote> <ol><li>{fileName}.tsfile |
| <ul><li>remote TsFile, will be loaded during snapshot installation</li></ul></li> <li>{fileName}.tsfile.mod |
| <ul><li>remote TsFile modification file, will be loaded during snapshot installation</li></ul></li></ol></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.7887fc7d.js" defer></script><script src="/assets/js/3.e95317f3.js" defer></script><script src="/assets/js/95.c6ca097f.js" defer></script> |
| </body> |
| </html> |
