blob: 17dddd1e054d5861824b7d31b6dcc5126e84f445 [file] [log] [blame]
<!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.0ce1fe55.js" as="script"><link rel="preload" href="/assets/js/3.5626571b.js" as="script"><link rel="preload" href="/assets/js/275.785fd825.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.a72c7dae.js"><link rel="prefetch" href="/assets/js/102.dfb385f3.js"><link rel="prefetch" href="/assets/js/103.3cb9e1be.js"><link rel="prefetch" href="/assets/js/104.522d3ff0.js"><link rel="prefetch" href="/assets/js/105.5ab143cb.js"><link rel="prefetch" href="/assets/js/106.7410be55.js"><link rel="prefetch" href="/assets/js/107.4b6fc970.js"><link rel="prefetch" href="/assets/js/108.f245629a.js"><link rel="prefetch" href="/assets/js/109.ae58680f.js"><link rel="prefetch" href="/assets/js/11.a080efae.js"><link rel="prefetch" href="/assets/js/110.3bee101b.js"><link rel="prefetch" href="/assets/js/111.03fb1ee4.js"><link rel="prefetch" href="/assets/js/112.0171a2e0.js"><link rel="prefetch" href="/assets/js/113.46505989.js"><link rel="prefetch" href="/assets/js/114.2fa2f181.js"><link rel="prefetch" href="/assets/js/115.fbfba1eb.js"><link rel="prefetch" href="/assets/js/116.afbd129c.js"><link rel="prefetch" href="/assets/js/117.a9624855.js"><link rel="prefetch" href="/assets/js/118.01244d82.js"><link rel="prefetch" href="/assets/js/119.36fd80be.js"><link rel="prefetch" href="/assets/js/12.30292c04.js"><link rel="prefetch" href="/assets/js/120.b489d365.js"><link rel="prefetch" href="/assets/js/121.3bdd405d.js"><link rel="prefetch" href="/assets/js/122.e8ff4d57.js"><link rel="prefetch" href="/assets/js/123.df016054.js"><link rel="prefetch" href="/assets/js/124.824251ee.js"><link rel="prefetch" href="/assets/js/125.68a30edd.js"><link rel="prefetch" href="/assets/js/126.6b0abad7.js"><link rel="prefetch" href="/assets/js/127.4cb256b7.js"><link rel="prefetch" href="/assets/js/128.285188c2.js"><link rel="prefetch" href="/assets/js/129.d5bb81f9.js"><link rel="prefetch" href="/assets/js/13.88849b9d.js"><link rel="prefetch" href="/assets/js/130.866c33c2.js"><link rel="prefetch" href="/assets/js/131.96da42f5.js"><link rel="prefetch" href="/assets/js/132.1ceb9f98.js"><link rel="prefetch" href="/assets/js/133.4c74e215.js"><link rel="prefetch" href="/assets/js/134.70817ed0.js"><link rel="prefetch" href="/assets/js/135.b893c04a.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/138.58faf437.js"><link rel="prefetch" href="/assets/js/139.5ffbc26e.js"><link rel="prefetch" href="/assets/js/14.e275d1c0.js"><link rel="prefetch" href="/assets/js/140.06fd42b3.js"><link rel="prefetch" href="/assets/js/141.d61183b2.js"><link rel="prefetch" href="/assets/js/142.80570522.js"><link rel="prefetch" href="/assets/js/143.c382b0b8.js"><link rel="prefetch" href="/assets/js/144.93007f46.js"><link rel="prefetch" href="/assets/js/145.1c62a4d0.js"><link rel="prefetch" href="/assets/js/146.e48d5d3f.js"><link rel="prefetch" href="/assets/js/147.fdd69e02.js"><link rel="prefetch" href="/assets/js/148.a56545f4.js"><link rel="prefetch" href="/assets/js/149.47acfbaf.js"><link rel="prefetch" href="/assets/js/15.0953eb10.js"><link rel="prefetch" href="/assets/js/150.973f7a4f.js"><link rel="prefetch" href="/assets/js/151.52b9bd4e.js"><link rel="prefetch" href="/assets/js/152.2dba0b31.js"><link rel="prefetch" href="/assets/js/153.16354cc9.js"><link rel="prefetch" href="/assets/js/154.21b3e81c.js"><link rel="prefetch" href="/assets/js/155.d4c854aa.js"><link rel="prefetch" href="/assets/js/156.35418505.js"><link rel="prefetch" href="/assets/js/157.de989c5f.js"><link rel="prefetch" href="/assets/js/158.2d4ad862.js"><link rel="prefetch" href="/assets/js/159.73d92fce.js"><link rel="prefetch" href="/assets/js/16.be3a02b8.js"><link rel="prefetch" href="/assets/js/160.86b5996e.js"><link rel="prefetch" href="/assets/js/161.1115b4c2.js"><link rel="prefetch" href="/assets/js/162.8e8f0b7a.js"><link rel="prefetch" href="/assets/js/163.5b7b3c3b.js"><link rel="prefetch" href="/assets/js/164.62e12d30.js"><link rel="prefetch" href="/assets/js/165.29bdf72b.js"><link rel="prefetch" href="/assets/js/166.6337999d.js"><link rel="prefetch" href="/assets/js/167.24ec612c.js"><link rel="prefetch" href="/assets/js/168.e3979906.js"><link rel="prefetch" href="/assets/js/169.f8620ad1.js"><link rel="prefetch" href="/assets/js/17.9b09b22d.js"><link rel="prefetch" href="/assets/js/170.963a59df.js"><link rel="prefetch" href="/assets/js/171.c66629ae.js"><link rel="prefetch" href="/assets/js/172.f03ac5e4.js"><link rel="prefetch" href="/assets/js/173.290ef6a3.js"><link rel="prefetch" href="/assets/js/174.bb8dd7b0.js"><link rel="prefetch" href="/assets/js/175.1f574749.js"><link rel="prefetch" href="/assets/js/176.483d45ae.js"><link rel="prefetch" href="/assets/js/177.1f8917c5.js"><link rel="prefetch" href="/assets/js/178.ca5b82c4.js"><link rel="prefetch" href="/assets/js/179.23e1b953.js"><link rel="prefetch" href="/assets/js/18.122d5826.js"><link rel="prefetch" href="/assets/js/180.d6609806.js"><link rel="prefetch" href="/assets/js/181.7b6deef5.js"><link rel="prefetch" href="/assets/js/182.b157bcef.js"><link rel="prefetch" href="/assets/js/183.fc45ef1f.js"><link rel="prefetch" href="/assets/js/184.5e948b32.js"><link rel="prefetch" href="/assets/js/185.59a533a9.js"><link rel="prefetch" href="/assets/js/186.0f0c43ae.js"><link rel="prefetch" href="/assets/js/187.6ff8df1b.js"><link rel="prefetch" href="/assets/js/188.25b531d8.js"><link rel="prefetch" href="/assets/js/189.8a164280.js"><link rel="prefetch" href="/assets/js/19.9187dec1.js"><link rel="prefetch" href="/assets/js/190.da803251.js"><link rel="prefetch" href="/assets/js/191.d41b5323.js"><link rel="prefetch" href="/assets/js/192.0bc2dfe6.js"><link rel="prefetch" href="/assets/js/193.cddd3be4.js"><link rel="prefetch" href="/assets/js/194.f7be5759.js"><link rel="prefetch" href="/assets/js/195.8a4d26c7.js"><link rel="prefetch" href="/assets/js/196.69252987.js"><link rel="prefetch" href="/assets/js/197.5ace5f08.js"><link rel="prefetch" href="/assets/js/198.a1dcce0c.js"><link rel="prefetch" href="/assets/js/199.793c8aa6.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/201.48f48797.js"><link rel="prefetch" href="/assets/js/202.d7f7dd0b.js"><link rel="prefetch" href="/assets/js/203.f2d66570.js"><link rel="prefetch" href="/assets/js/204.898ab824.js"><link rel="prefetch" href="/assets/js/205.548b05ec.js"><link rel="prefetch" href="/assets/js/206.22914a2c.js"><link rel="prefetch" href="/assets/js/207.6a13e9ee.js"><link rel="prefetch" href="/assets/js/208.acb612aa.js"><link rel="prefetch" href="/assets/js/209.cdc82615.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/211.15611bfc.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/214.766637ac.js"><link rel="prefetch" href="/assets/js/215.b3ec2479.js"><link rel="prefetch" href="/assets/js/216.6aa72a6d.js"><link rel="prefetch" href="/assets/js/217.bd6d9c4a.js"><link rel="prefetch" href="/assets/js/218.128ec60b.js"><link rel="prefetch" href="/assets/js/219.17f98efb.js"><link rel="prefetch" href="/assets/js/22.1e7200c8.js"><link rel="prefetch" href="/assets/js/220.6ecbd946.js"><link rel="prefetch" href="/assets/js/221.e8946ff5.js"><link rel="prefetch" href="/assets/js/222.a9c9ecd1.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.ee730a7f.js"><link rel="prefetch" href="/assets/js/226.c094a61b.js"><link rel="prefetch" href="/assets/js/227.0aded7a3.js"><link rel="prefetch" href="/assets/js/228.ac120f0d.js"><link rel="prefetch" href="/assets/js/229.812c8049.js"><link rel="prefetch" href="/assets/js/23.91ba0b88.js"><link rel="prefetch" href="/assets/js/230.501080a7.js"><link rel="prefetch" href="/assets/js/231.cf1146c1.js"><link rel="prefetch" href="/assets/js/232.4f6b6373.js"><link rel="prefetch" href="/assets/js/233.0e95edce.js"><link rel="prefetch" href="/assets/js/234.f84b642d.js"><link rel="prefetch" href="/assets/js/235.3805944b.js"><link rel="prefetch" href="/assets/js/236.b977dbf2.js"><link rel="prefetch" href="/assets/js/237.7630406d.js"><link rel="prefetch" href="/assets/js/238.694d8754.js"><link rel="prefetch" href="/assets/js/239.3fb83483.js"><link rel="prefetch" href="/assets/js/24.ae2f738e.js"><link rel="prefetch" href="/assets/js/240.9b363f24.js"><link rel="prefetch" href="/assets/js/241.a7a523e1.js"><link rel="prefetch" href="/assets/js/242.86e3c344.js"><link rel="prefetch" href="/assets/js/243.7598764a.js"><link rel="prefetch" href="/assets/js/244.3e90e4bc.js"><link rel="prefetch" href="/assets/js/245.a61d71ed.js"><link rel="prefetch" href="/assets/js/246.20d4e857.js"><link rel="prefetch" href="/assets/js/247.78cf01d5.js"><link rel="prefetch" href="/assets/js/248.4741dcd9.js"><link rel="prefetch" href="/assets/js/249.d15adfc9.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/251.9a48a958.js"><link rel="prefetch" href="/assets/js/252.811a7e8c.js"><link rel="prefetch" href="/assets/js/253.b0c50955.js"><link rel="prefetch" href="/assets/js/254.f315a0f9.js"><link rel="prefetch" href="/assets/js/255.f56babf3.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/258.9431d26e.js"><link rel="prefetch" href="/assets/js/259.c7d62dfa.js"><link rel="prefetch" href="/assets/js/26.2121ac8d.js"><link rel="prefetch" href="/assets/js/260.e9f192d6.js"><link rel="prefetch" href="/assets/js/261.3c8b8c14.js"><link rel="prefetch" href="/assets/js/262.8004896a.js"><link rel="prefetch" href="/assets/js/263.eee29284.js"><link rel="prefetch" href="/assets/js/264.cb79ef91.js"><link rel="prefetch" href="/assets/js/265.9a2f2a85.js"><link rel="prefetch" href="/assets/js/266.ca225af9.js"><link rel="prefetch" href="/assets/js/267.beea5d0a.js"><link rel="prefetch" href="/assets/js/268.f1583bf9.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/270.92f71014.js"><link rel="prefetch" href="/assets/js/271.4e2ab885.js"><link rel="prefetch" href="/assets/js/272.3f6ce0f3.js"><link rel="prefetch" href="/assets/js/273.c1b6e198.js"><link rel="prefetch" href="/assets/js/274.9b163077.js"><link rel="prefetch" href="/assets/js/276.4658b553.js"><link rel="prefetch" href="/assets/js/277.07c63ac9.js"><link rel="prefetch" href="/assets/js/278.8b7117be.js"><link rel="prefetch" href="/assets/js/279.2caa2bbe.js"><link rel="prefetch" href="/assets/js/28.0a801078.js"><link rel="prefetch" href="/assets/js/280.55ec4f01.js"><link rel="prefetch" href="/assets/js/281.abe12294.js"><link rel="prefetch" href="/assets/js/282.1eb0458c.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.ec6242a0.js"><link rel="prefetch" href="/assets/js/288.479655dd.js"><link rel="prefetch" href="/assets/js/289.659caaed.js"><link rel="prefetch" href="/assets/js/29.a31435b1.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.ace942a5.js"><link rel="prefetch" href="/assets/js/293.60efa2c4.js"><link rel="prefetch" href="/assets/js/294.db318cdf.js"><link rel="prefetch" href="/assets/js/295.7adfdd6a.js"><link rel="prefetch" href="/assets/js/296.084dabd5.js"><link rel="prefetch" href="/assets/js/297.9c1e3937.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/30.2a011d46.js"><link rel="prefetch" href="/assets/js/300.ecae56e5.js"><link rel="prefetch" href="/assets/js/301.7986fcfa.js"><link rel="prefetch" href="/assets/js/302.fbea453a.js"><link rel="prefetch" href="/assets/js/303.90b0c08b.js"><link rel="prefetch" href="/assets/js/304.ae9e278b.js"><link rel="prefetch" href="/assets/js/305.ca97e9f9.js"><link rel="prefetch" href="/assets/js/306.bd049505.js"><link rel="prefetch" href="/assets/js/307.e3d537d7.js"><link rel="prefetch" href="/assets/js/308.3e23d630.js"><link rel="prefetch" href="/assets/js/309.d083bb39.js"><link rel="prefetch" href="/assets/js/31.9af92350.js"><link rel="prefetch" href="/assets/js/310.e410f107.js"><link rel="prefetch" href="/assets/js/311.da17b546.js"><link rel="prefetch" href="/assets/js/312.10873f86.js"><link rel="prefetch" href="/assets/js/313.fc0e389d.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.e688278e.js"><link rel="prefetch" href="/assets/js/317.0719853c.js"><link rel="prefetch" href="/assets/js/318.bee76827.js"><link rel="prefetch" href="/assets/js/319.3734e844.js"><link rel="prefetch" href="/assets/js/32.c5d0178e.js"><link rel="prefetch" href="/assets/js/320.0bdbffa7.js"><link rel="prefetch" href="/assets/js/321.a656f950.js"><link rel="prefetch" href="/assets/js/322.421250b3.js"><link rel="prefetch" href="/assets/js/323.2efb7b59.js"><link rel="prefetch" href="/assets/js/324.5e31b5b7.js"><link rel="prefetch" href="/assets/js/325.017d4ac6.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.a8397efb.js"><link rel="prefetch" href="/assets/js/33.71e8ea0b.js"><link rel="prefetch" href="/assets/js/330.4d8e6aea.js"><link rel="prefetch" href="/assets/js/331.bc6db7fb.js"><link rel="prefetch" href="/assets/js/332.c7d955a8.js"><link rel="prefetch" href="/assets/js/333.2f5a4151.js"><link rel="prefetch" href="/assets/js/334.ff533799.js"><link rel="prefetch" href="/assets/js/335.a52d6bb0.js"><link rel="prefetch" href="/assets/js/336.dd48593b.js"><link rel="prefetch" href="/assets/js/337.91b7a655.js"><link rel="prefetch" href="/assets/js/338.e1fb9242.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/340.4378eed8.js"><link rel="prefetch" href="/assets/js/341.195a8b13.js"><link rel="prefetch" href="/assets/js/342.8058dc21.js"><link rel="prefetch" href="/assets/js/343.b5963f08.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.bcf05eb4.js"><link rel="prefetch" href="/assets/js/348.031e352c.js"><link rel="prefetch" href="/assets/js/349.b7348c86.js"><link rel="prefetch" href="/assets/js/35.5612ab6a.js"><link rel="prefetch" href="/assets/js/350.40896ba0.js"><link rel="prefetch" href="/assets/js/351.085e1aa5.js"><link rel="prefetch" href="/assets/js/352.5e157563.js"><link rel="prefetch" href="/assets/js/353.cfe4cf8b.js"><link rel="prefetch" href="/assets/js/354.2f911c8d.js"><link rel="prefetch" href="/assets/js/355.c6db4669.js"><link rel="prefetch" href="/assets/js/356.06b3fae5.js"><link rel="prefetch" href="/assets/js/357.eb9c2f7f.js"><link rel="prefetch" href="/assets/js/358.bb431ab1.js"><link rel="prefetch" href="/assets/js/359.91cac463.js"><link rel="prefetch" href="/assets/js/36.5a401e9f.js"><link rel="prefetch" href="/assets/js/360.eafce21a.js"><link rel="prefetch" href="/assets/js/361.38501bb2.js"><link rel="prefetch" href="/assets/js/362.7b397d7f.js"><link rel="prefetch" href="/assets/js/363.2e16cffe.js"><link rel="prefetch" href="/assets/js/364.d17737d3.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.ce39afbb.js"><link rel="prefetch" href="/assets/js/368.e46272ab.js"><link rel="prefetch" href="/assets/js/369.b07caead.js"><link rel="prefetch" href="/assets/js/37.15871763.js"><link rel="prefetch" href="/assets/js/370.01c84a7d.js"><link rel="prefetch" href="/assets/js/371.c1d1c747.js"><link rel="prefetch" href="/assets/js/372.205e1d0f.js"><link rel="prefetch" href="/assets/js/373.aa42888a.js"><link rel="prefetch" href="/assets/js/374.7e10d4da.js"><link rel="prefetch" href="/assets/js/375.1c735a6d.js"><link rel="prefetch" href="/assets/js/376.32e78885.js"><link rel="prefetch" href="/assets/js/377.fcf2fadd.js"><link rel="prefetch" href="/assets/js/378.18f444fd.js"><link rel="prefetch" href="/assets/js/379.879738d8.js"><link rel="prefetch" href="/assets/js/38.b02b6af6.js"><link rel="prefetch" href="/assets/js/380.105520b2.js"><link rel="prefetch" href="/assets/js/381.df41b097.js"><link rel="prefetch" href="/assets/js/382.a1239949.js"><link rel="prefetch" href="/assets/js/383.22938fc1.js"><link rel="prefetch" href="/assets/js/384.4e79e5eb.js"><link rel="prefetch" href="/assets/js/385.e7aa33d8.js"><link rel="prefetch" href="/assets/js/386.b037901f.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.fdbf3ddd.js"><link rel="prefetch" href="/assets/js/39.b5f4c79a.js"><link rel="prefetch" href="/assets/js/390.336a9553.js"><link rel="prefetch" href="/assets/js/391.22842119.js"><link rel="prefetch" href="/assets/js/392.577fed5c.js"><link rel="prefetch" href="/assets/js/393.cf98216d.js"><link rel="prefetch" href="/assets/js/394.a4ab2881.js"><link rel="prefetch" href="/assets/js/395.568f1de1.js"><link rel="prefetch" href="/assets/js/396.eabe4d04.js"><link rel="prefetch" href="/assets/js/397.14a239f0.js"><link rel="prefetch" href="/assets/js/398.ecadeab8.js"><link rel="prefetch" href="/assets/js/399.dea55ac6.js"><link rel="prefetch" href="/assets/js/4.a195f7b6.js"><link rel="prefetch" href="/assets/js/40.0f31bd56.js"><link rel="prefetch" href="/assets/js/400.3e52b52e.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.ee871365.js"><link rel="prefetch" href="/assets/js/405.57bc9408.js"><link rel="prefetch" href="/assets/js/406.7c793667.js"><link rel="prefetch" href="/assets/js/407.b6d62a2e.js"><link rel="prefetch" href="/assets/js/408.0873bd31.js"><link rel="prefetch" href="/assets/js/409.6cb23d39.js"><link rel="prefetch" href="/assets/js/41.f483212d.js"><link rel="prefetch" href="/assets/js/410.19de2693.js"><link rel="prefetch" href="/assets/js/411.21b2c909.js"><link rel="prefetch" href="/assets/js/412.98ab43f7.js"><link rel="prefetch" href="/assets/js/413.54a50c02.js"><link rel="prefetch" href="/assets/js/414.1f5da68b.js"><link rel="prefetch" href="/assets/js/415.a8a38d22.js"><link rel="prefetch" href="/assets/js/416.8512f96d.js"><link rel="prefetch" href="/assets/js/417.b82389ad.js"><link rel="prefetch" href="/assets/js/418.7f94375e.js"><link rel="prefetch" href="/assets/js/419.81e6d8e2.js"><link rel="prefetch" href="/assets/js/42.ffb032af.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/422.82169579.js"><link rel="prefetch" href="/assets/js/423.3edd713e.js"><link rel="prefetch" href="/assets/js/424.3a36d255.js"><link rel="prefetch" href="/assets/js/425.bf12e1f3.js"><link rel="prefetch" href="/assets/js/426.35170657.js"><link rel="prefetch" href="/assets/js/427.66eb3fe5.js"><link rel="prefetch" href="/assets/js/428.789479d6.js"><link rel="prefetch" href="/assets/js/429.8fd5e3a8.js"><link rel="prefetch" href="/assets/js/43.7406f914.js"><link rel="prefetch" href="/assets/js/430.02d54f8e.js"><link rel="prefetch" href="/assets/js/431.5b6ab928.js"><link rel="prefetch" href="/assets/js/432.6fcad8ff.js"><link rel="prefetch" href="/assets/js/433.44e82676.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.edaf4612.js"><link rel="prefetch" href="/assets/js/437.c4e29f95.js"><link rel="prefetch" href="/assets/js/438.db8053bc.js"><link rel="prefetch" href="/assets/js/439.b0661d24.js"><link rel="prefetch" href="/assets/js/44.3bea749e.js"><link rel="prefetch" href="/assets/js/440.eadeab90.js"><link rel="prefetch" href="/assets/js/441.2e885d78.js"><link rel="prefetch" href="/assets/js/442.9d8c820e.js"><link rel="prefetch" href="/assets/js/443.40d31ee9.js"><link rel="prefetch" href="/assets/js/444.4f0d0db9.js"><link rel="prefetch" href="/assets/js/445.5b5deffe.js"><link rel="prefetch" href="/assets/js/446.89603481.js"><link rel="prefetch" href="/assets/js/447.79221ab3.js"><link rel="prefetch" href="/assets/js/448.19cb412f.js"><link rel="prefetch" href="/assets/js/449.1f3f0541.js"><link rel="prefetch" href="/assets/js/45.244b7680.js"><link rel="prefetch" href="/assets/js/450.3eca4d3a.js"><link rel="prefetch" href="/assets/js/451.ae55be40.js"><link rel="prefetch" href="/assets/js/452.9cbb7afe.js"><link rel="prefetch" href="/assets/js/453.f3859daa.js"><link rel="prefetch" href="/assets/js/454.adeb5481.js"><link rel="prefetch" href="/assets/js/455.93f4a8e9.js"><link rel="prefetch" href="/assets/js/456.9f8ad05f.js"><link rel="prefetch" href="/assets/js/457.22496879.js"><link rel="prefetch" href="/assets/js/458.e9503d84.js"><link rel="prefetch" href="/assets/js/459.370e44e7.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/461.3b85e094.js"><link rel="prefetch" href="/assets/js/462.882326da.js"><link rel="prefetch" href="/assets/js/463.822487eb.js"><link rel="prefetch" href="/assets/js/464.5aa364f7.js"><link rel="prefetch" href="/assets/js/465.7422742d.js"><link rel="prefetch" href="/assets/js/466.c07cb7a4.js"><link rel="prefetch" href="/assets/js/467.47ef006b.js"><link rel="prefetch" href="/assets/js/468.89ef96ad.js"><link rel="prefetch" href="/assets/js/469.bfffaee9.js"><link rel="prefetch" href="/assets/js/47.13872d6f.js"><link rel="prefetch" href="/assets/js/470.b3ff2f13.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.aa6bd5ba.js"><link rel="prefetch" href="/assets/js/474.f1ac334b.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/477.8ebfc8cd.js"><link rel="prefetch" href="/assets/js/478.f467a198.js"><link rel="prefetch" href="/assets/js/479.5fb38387.js"><link rel="prefetch" href="/assets/js/48.bec9faeb.js"><link rel="prefetch" href="/assets/js/480.065bc2f4.js"><link rel="prefetch" href="/assets/js/481.8e611064.js"><link rel="prefetch" href="/assets/js/482.deef708e.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/485.39787d81.js"><link rel="prefetch" href="/assets/js/486.6fb72e6b.js"><link rel="prefetch" href="/assets/js/487.24cebed1.js"><link rel="prefetch" href="/assets/js/488.182ede16.js"><link rel="prefetch" href="/assets/js/489.00c3a33c.js"><link rel="prefetch" href="/assets/js/49.f271ac34.js"><link rel="prefetch" href="/assets/js/490.645a33e0.js"><link rel="prefetch" href="/assets/js/491.9fe59950.js"><link rel="prefetch" href="/assets/js/492.f29c2ae4.js"><link rel="prefetch" href="/assets/js/493.68095940.js"><link rel="prefetch" href="/assets/js/494.59430cc4.js"><link rel="prefetch" href="/assets/js/495.8a78704b.js"><link rel="prefetch" href="/assets/js/496.0d962a47.js"><link rel="prefetch" href="/assets/js/497.945b4bd3.js"><link rel="prefetch" href="/assets/js/498.90de0ef4.js"><link rel="prefetch" href="/assets/js/499.8e450b6e.js"><link rel="prefetch" href="/assets/js/5.2a4451ec.js"><link rel="prefetch" href="/assets/js/50.abf20f4e.js"><link rel="prefetch" href="/assets/js/500.aad8b0da.js"><link rel="prefetch" href="/assets/js/501.413d2da6.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.f933b9bf.js"><link rel="prefetch" href="/assets/js/507.ee0941f8.js"><link rel="prefetch" href="/assets/js/508.92e82e3e.js"><link rel="prefetch" href="/assets/js/509.57a208b7.js"><link rel="prefetch" href="/assets/js/51.65fecf2d.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/512.4a1b0e80.js"><link rel="prefetch" href="/assets/js/513.a093308f.js"><link rel="prefetch" href="/assets/js/514.dcd0f360.js"><link rel="prefetch" href="/assets/js/515.90705846.js"><link rel="prefetch" href="/assets/js/516.52b65bc6.js"><link rel="prefetch" href="/assets/js/517.bd0c91a6.js"><link rel="prefetch" href="/assets/js/518.aba293cf.js"><link rel="prefetch" href="/assets/js/519.9b2dd560.js"><link rel="prefetch" href="/assets/js/52.c17bb00d.js"><link rel="prefetch" href="/assets/js/520.8da09b22.js"><link rel="prefetch" href="/assets/js/521.b5667789.js"><link rel="prefetch" href="/assets/js/522.834a72cf.js"><link rel="prefetch" href="/assets/js/523.7968f7a9.js"><link rel="prefetch" href="/assets/js/524.c76179ea.js"><link rel="prefetch" href="/assets/js/525.7350bc28.js"><link rel="prefetch" href="/assets/js/526.2a0914f9.js"><link rel="prefetch" href="/assets/js/527.d1f03b8e.js"><link rel="prefetch" href="/assets/js/528.fee6a480.js"><link rel="prefetch" href="/assets/js/53.f1d91ca6.js"><link rel="prefetch" href="/assets/js/54.29e4a381.js"><link rel="prefetch" href="/assets/js/55.38876710.js"><link rel="prefetch" href="/assets/js/56.3a0eb98d.js"><link rel="prefetch" href="/assets/js/57.2f75fd9a.js"><link rel="prefetch" href="/assets/js/58.75b64521.js"><link rel="prefetch" href="/assets/js/59.7ac3776c.js"><link rel="prefetch" href="/assets/js/6.3450075a.js"><link rel="prefetch" href="/assets/js/60.53b7d88b.js"><link rel="prefetch" href="/assets/js/61.b70ccd57.js"><link rel="prefetch" href="/assets/js/62.eef65e9b.js"><link rel="prefetch" href="/assets/js/63.3a66528e.js"><link rel="prefetch" href="/assets/js/64.ca5c6060.js"><link rel="prefetch" href="/assets/js/65.5832f0ec.js"><link rel="prefetch" href="/assets/js/66.d486a91a.js"><link rel="prefetch" href="/assets/js/67.94140127.js"><link rel="prefetch" href="/assets/js/68.38ac76fc.js"><link rel="prefetch" href="/assets/js/69.1e5556d6.js"><link rel="prefetch" href="/assets/js/7.c5c54fb4.js"><link rel="prefetch" href="/assets/js/70.ce653ae5.js"><link rel="prefetch" href="/assets/js/71.dbdc4216.js"><link rel="prefetch" href="/assets/js/72.8010c02a.js"><link rel="prefetch" href="/assets/js/73.0478a06c.js"><link rel="prefetch" href="/assets/js/74.ba37e8e5.js"><link rel="prefetch" href="/assets/js/75.9e20de13.js"><link rel="prefetch" href="/assets/js/76.d444ceae.js"><link rel="prefetch" href="/assets/js/77.f0d86173.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/8.536033df.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/82.362d02a9.js"><link rel="prefetch" href="/assets/js/83.40c0f17c.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/86.47e65cb0.js"><link rel="prefetch" href="/assets/js/87.afc9310c.js"><link rel="prefetch" href="/assets/js/88.e6fe60dc.js"><link rel="prefetch" href="/assets/js/89.572d5413.js"><link rel="prefetch" href="/assets/js/9.2e3ff783.js"><link rel="prefetch" href="/assets/js/90.b9f22784.js"><link rel="prefetch" href="/assets/js/91.fbe69360.js"><link rel="prefetch" href="/assets/js/92.295618c2.js"><link rel="prefetch" href="/assets/js/93.6c148bcd.js"><link rel="prefetch" href="/assets/js/94.df22e216.js"><link rel="prefetch" href="/assets/js/95.b136c253.js"><link rel="prefetch" href="/assets/js/96.2a84236c.js"><link rel="prefetch" href="/assets/js/97.6767cf86.js"><link rel="prefetch" href="/assets/js/98.77656225.js"><link rel="prefetch" href="/assets/js/99.902cfc13.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 no-sidebar"><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" aria-current="page" class="nav-link router-link-exact-active router-link-active">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="/Development/ContributeGuide.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/Development/ContributeGuide.html" aria-current="page" class="nav-link router-link-exact-active router-link-active">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" aria-current="page" class="nav-link router-link-exact-active router-link-active">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="/Development/ContributeGuide.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/Development/ContributeGuide.html" aria-current="page" class="nav-link router-link-exact-active router-link-active">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> <!----> </aside> <main class="page"> <div class="content content__default"><h1 id="一、工作流程"><a href="#一、工作流程" class="header-anchor">#</a> 一、工作流程</h1> <h2 id="主要链接"><a href="#主要链接" class="header-anchor">#</a> 主要链接</h2> <p>IoTDB 官网:https://iotdb.apache.org/</p> <p>代码库:https://github.com/apache/iotdb/tree/master</p> <p>快速上手:http://iotdb.apache.org/UserGuide/master/Get%20Started/QuickStart.html</p> <p>Jira 任务管理:https://issues.apache.org/jira/projects/IOTDB/issues</p> <p>Wiki 文档管理:https://cwiki.apache.org/confluence/display/IOTDB/Home</p> <h2 id="订阅邮件列表"><a href="#订阅邮件列表" class="header-anchor">#</a> 订阅邮件列表</h2> <p>邮件列表是 Apache 项目进行技术讨论和用户沟通的地方,订阅邮件列表就可以收到邮件了。</p> <p>邮件列表地址:dev@iotdb.apache.org</p> <p>订阅方法:用想接收邮件的邮箱向 dev-subscribe@iotdb.apache.org 发一封邮件,主题内容不限,收到回复后,再次向确认地址发一封确认邮件(确认地址比较长,推荐qq邮箱)。</p> <p>其他邮件列表:</p> <ul><li>notifications@iotdb.apache.org (用于接收JIRA通知.)
<ul><li>如果你只想接收个别感兴趣的JIRA通知,你不需要订阅这个列表。你只需要在JIRA issue页面上点击&quot;开始关注这个issue&quot; 或者在这个issue上做评论就行了。</li></ul></li> <li>commits@iotdb.apache.org (任何代码改动都会通知到此处。该邮件列表邮件数量十分多,请注意。)</li> <li>reviews@iotdb.apache.org (任何代码审阅意见都会通知到此处。该邮件列表邮件数量十分多,请注意。)</li></ul> <h2 id="新功能、bug-反馈、改进等"><a href="#新功能、bug-反馈、改进等" class="header-anchor">#</a> 新功能、Bug 反馈、改进等</h2> <p>所有希望 IoTDB 做的功能或修的 bug,都可以在 Jira 上提 issue</p> <p>可以选择 issue 类型:bug、improvement、new feature等。新建的 issue 会自动向邮件列表中同步邮件,之后的讨论可在 jira 上留言,也可以在邮件列表进行。当问题解决后请关闭 issue。</p> <h2 id="邮件讨论内容-英文"><a href="#邮件讨论内容-英文" class="header-anchor">#</a> 邮件讨论内容(英文)</h2> <ul><li><p>第一次参与邮件列表可以简单介绍一下自己。(Hi, I'm xxx ...)</p></li> <li><p>开发功能前可以发邮件声明一下自己想做的任务。(Hi,I'm working on issue IOTDB-XXX,My plan is ...)</p></li></ul> <h2 id="贡献文档"><a href="#贡献文档" class="header-anchor">#</a> 贡献文档</h2> <p>IoTDB 所有官网上的内容都在项目根目录的 docs 中:</p> <ul><li>docs/SystemDesign: 系统设计文档-英文版</li> <li>docs/zh/SystemDesign: 系统设计文档-中文版</li> <li>docs/UserGuide: 用户手册-英文版</li> <li>docs/zh/UserGuide: 用户手册-中文版</li> <li>docs/Community: 社区-英文版</li> <li>docs/zh/Community: 社区-中文版</li> <li>docs/Development: 开发指南-英文版</li> <li>docs/zh/Development: 开发指南-中文版</li></ul> <p>官网上的版本和分支的对应关系:</p> <ul><li>In progress -&gt; master</li> <li>major_version.x -&gt; rel/major_version (如 0.9.x -&gt; rel/0.9)</li></ul> <p>注意事项:</p> <ul><li>Markdown 中的图片可上传至 https://github.com/thulab/iotdb/issues/543 获得 url</li></ul> <h2 id="代码格式化"><a href="#代码格式化" class="header-anchor">#</a> 代码格式化</h2> <p>我们使用 <a href="https://github.com/diffplug/spotless/tree/main/plugin-maven" target="_blank" rel="noopener noreferrer">Spotless
plugin<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><a href="https://github.com/google/google-java-format" target="_blank" rel="noopener noreferrer">google-java-format<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> 格式化Java代码. 你可以通过以下步骤将IDE配置为在保存时自动应用格式以IDEA为例):</p> <ol><li>下载 <a href="https://plugins.jetbrains.com/plugin/8527-google-java-format/versions/stable/83169" target="_blank" rel="noopener noreferrer">google-java-format-plugin v1.7.0.5<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>, 安装到IDEA(Preferences -&gt; plugins -&gt; search google-java-format),<a href="https://github.com/google/google-java-format#intellij-android-studio-and-other-jetbrains-ides" target="_blank" rel="noopener noreferrer">更详细的操作手册<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></li> <li>从磁盘安装 (Plugins -&gt; little gear icon -&gt; &quot;Install plugin from disk&quot; -&gt; Navigate to downloaded zip file)</li> <li>开启插件,并保持默认的GOOGLE格式 (2-space indents)</li> <li>在Spotless没有升级到18+之前,不要升级google-java-format插件</li> <li>安装 <a href="https://plugins.jetbrains.com/plugin/7642-save-actions" target="_blank" rel="noopener noreferrer">Save Actions 插件<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> , 并开启插件, 打开 &quot;Optimize imports&quot; and &quot;Reformat file&quot; 选项.</li> <li>在“Save Actions”设置页面中,将 &quot;File Path Inclusion&quot; 设置为.*.java”, 避免在编辑的其他文件时候发生意外的重新格式化</li></ol> <h2 id="贡献代码"><a href="#贡献代码" class="header-anchor">#</a> 贡献代码</h2> <p>可以到 jira 上领取现有 issue 或者自己创建 issue 再领取,评论说我要做这个 issue 就可以。</p> <ul><li>克隆仓库到自己的本地的仓库,clone到本地,关联apache仓库为上游 upstream 仓库。</li> <li>从 master 切出新的分支,分支名根据这个分支的功能决定,一般叫 f_new_feature(如f_storage_engine) 或者 fix_bug(如fix_query_cache_bug)</li> <li>在 idea 中添加code style为 根目录的 java-google-style.xml</li> <li>修改代码,增加测试用例(单元测试、集成测试)
<ul><li>集成测试参考: server/src/test/java/org/apache/iotdb/db/integration/IoTDBTimeZoneIT</li></ul></li> <li><code>mvn spotless:check</code> 检查代码样式,并用<code>mvn spotless:apply</code>修复样式</li> <li>提交 PR, 以 [IOTDB-jira号] 开头</li> <li>发邮件到 dev 邮件列表:(I've submitted a PR for issue IOTDB-xxx [link])</li> <li>根据其他人的审阅意见进行修改,继续更新,直到合并</li> <li>关闭 jira issue</li></ul> <h1 id="二、iotdb-调试方式"><a href="#二、iotdb-调试方式" class="header-anchor">#</a> 二、IoTDB 调试方式</h1> <h2 id="导入代码"><a href="#导入代码" class="header-anchor">#</a> 导入代码</h2> <h3 id="intellij-idea"><a href="#intellij-idea" class="header-anchor">#</a> Intellij idea</h3> <p>推荐使用 Intellij idea。<code>mvn clean package -DskipTests</code></p> <p>之后把 <code>antlr/target/generated-sources/antlr4</code><code>thrift/target/generated-sources/thrift</code> 标记为 <code>Source Root</code></p> <h3 id="eclipse"><a href="#eclipse" class="header-anchor">#</a> Eclipse</h3> <p>如果是 eclipse 2019 之前的版本,需要现在 IoTDB 根目录执行 <code>mvn eclipse:eclipse -DskipTests</code></p> <p>import -&gt; General -&gt; Existing Projects into Workspace -&gt; 选择 IoTDB 根目录</p> <p>如果 eclipse 2019 之后的版本</p> <p>import -&gt; Maven -&gt; Existing Maven Projects</p> <h2 id="调试代码"><a href="#调试代码" class="header-anchor">#</a> 调试代码</h2> <ul><li><p>服务器主函数:<code>server/src/main/java/org/apache/iotdb/db/service/IoTDB</code>,可以debug模式启动</p></li> <li><p>命令行界面:<code>cli/src/main/java/org/apache/iotdb/cli/</code>,linux 用 Cli,windows 用 WinCli,可以直接启动。启动时需要参数&quot;-h 127.0.0.1 -p 6667 -u root -pw root&quot;</p></li> <li><p>服务器的 rpc 实现(主要用来客户端和服务器通信,一般在这里开始打断点):<code>server/src/main/java/org/apache/iotdb/db/service/TSServiceImpl</code></p> <ul><li>jdbc所有语句:executeStatement(TSExecuteStatementReq req)</li> <li>jdbc查询语句:executeQueryStatement(TSExecuteStatementReq req)</li> <li>native写入接口:insertRecord(TSInsertRecordReq req)</li></ul></li> <li><p>存储引擎 org.apache.iotdb.db.engine.StorageEngine</p></li> <li><p>查询引擎 org.apache.iotdb.db.qp.Planner</p></li></ul> <h2 id="常见编译错误"><a href="#常见编译错误" class="header-anchor">#</a> 常见编译错误</h2> <ol><li>无法下载 thrift-* 等文件, 例如 <code>Could not get content org.apache.maven.wagon.TransferFailedException: Transfer failed for https://github.com/jt2594838/mvn-thrift-compiler/raw/master/thrift_0.12.0_0.13.0_linux.exe</code></li></ol> <p>这一般是网络问题,这时候需要手动下载上述文件:</p> <ul><li>根据以下网址手动下载上述文件;
<ul><li>https://github.com/jt2594838/mvn-thrift-compiler/blob/master/thrift_0.12.0_0.13.0_mac.exe</li> <li>https://github.com/jt2594838/mvn-thrift-compiler/raw/master/thrift_0.12.0_0.13.0_mac.exe</li></ul></li> <li>将该文件拷贝到thrift/target/tools/目录下</li> <li>重新执行maven的编译命令</li></ul></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.0ce1fe55.js" defer></script><script src="/assets/js/3.5626571b.js" defer></script><script src="/assets/js/275.785fd825.js" defer></script>
</body>
</html>