| <!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.238820fa.js" as="script"><link rel="preload" href="/assets/js/3.5626571b.js" as="script"><link rel="preload" href="/assets/js/356.c60a3daf.js" as="script"><link rel="prefetch" href="/assets/js/10.77e7d27b.js"><link rel="prefetch" href="/assets/js/100.529e31b1.js"><link rel="prefetch" href="/assets/js/101.ab370749.js"><link rel="prefetch" href="/assets/js/102.4db55384.js"><link rel="prefetch" href="/assets/js/103.fb8b72e5.js"><link rel="prefetch" href="/assets/js/104.8ec98589.js"><link rel="prefetch" href="/assets/js/105.07dec41c.js"><link rel="prefetch" href="/assets/js/106.4271d632.js"><link rel="prefetch" href="/assets/js/107.0114e0e9.js"><link rel="prefetch" href="/assets/js/108.e8e6f5a7.js"><link rel="prefetch" href="/assets/js/109.c9dff2b1.js"><link rel="prefetch" href="/assets/js/11.242ea813.js"><link rel="prefetch" href="/assets/js/110.335be980.js"><link rel="prefetch" href="/assets/js/111.f74c85e1.js"><link rel="prefetch" href="/assets/js/112.6931e30d.js"><link rel="prefetch" href="/assets/js/113.30edd688.js"><link rel="prefetch" href="/assets/js/114.f0655b17.js"><link rel="prefetch" href="/assets/js/115.ad06c96b.js"><link rel="prefetch" href="/assets/js/116.b6f26e1b.js"><link rel="prefetch" href="/assets/js/117.0c0007d4.js"><link rel="prefetch" href="/assets/js/118.9b679109.js"><link rel="prefetch" href="/assets/js/119.5d87cba0.js"><link rel="prefetch" href="/assets/js/12.643b0fb0.js"><link rel="prefetch" href="/assets/js/120.a37fa9a1.js"><link rel="prefetch" href="/assets/js/121.9ed1a642.js"><link rel="prefetch" href="/assets/js/122.44d2e30f.js"><link rel="prefetch" href="/assets/js/123.098f1a87.js"><link rel="prefetch" href="/assets/js/124.3a1dcf58.js"><link rel="prefetch" href="/assets/js/125.47c9fe1b.js"><link rel="prefetch" href="/assets/js/126.33911dd9.js"><link rel="prefetch" href="/assets/js/127.110bc389.js"><link rel="prefetch" href="/assets/js/128.313aeb76.js"><link rel="prefetch" href="/assets/js/129.11b747a6.js"><link rel="prefetch" href="/assets/js/13.ca90848f.js"><link rel="prefetch" href="/assets/js/130.27448489.js"><link rel="prefetch" href="/assets/js/131.9e590a1b.js"><link rel="prefetch" href="/assets/js/132.5bd44b31.js"><link rel="prefetch" href="/assets/js/133.de3f629f.js"><link rel="prefetch" href="/assets/js/134.7ce27e40.js"><link rel="prefetch" href="/assets/js/135.06b43884.js"><link rel="prefetch" href="/assets/js/136.b66a9821.js"><link rel="prefetch" href="/assets/js/137.93d81f2a.js"><link rel="prefetch" href="/assets/js/138.0401fa9a.js"><link rel="prefetch" href="/assets/js/139.0cbf43e0.js"><link rel="prefetch" href="/assets/js/14.939be0f9.js"><link rel="prefetch" href="/assets/js/140.702d4f02.js"><link rel="prefetch" href="/assets/js/141.5739ba5c.js"><link rel="prefetch" href="/assets/js/142.30128e53.js"><link rel="prefetch" href="/assets/js/143.8daf3f82.js"><link rel="prefetch" href="/assets/js/144.9a2bfcbe.js"><link rel="prefetch" href="/assets/js/145.54dd8613.js"><link rel="prefetch" href="/assets/js/146.adcff95e.js"><link rel="prefetch" href="/assets/js/147.fc4cf49d.js"><link rel="prefetch" href="/assets/js/148.1e9ba5bb.js"><link rel="prefetch" href="/assets/js/149.2b3d832d.js"><link rel="prefetch" href="/assets/js/15.0953eb10.js"><link rel="prefetch" href="/assets/js/150.bf2f7fd5.js"><link rel="prefetch" href="/assets/js/151.cd47eb0c.js"><link rel="prefetch" href="/assets/js/152.dcafafa2.js"><link rel="prefetch" href="/assets/js/153.7cdf2243.js"><link rel="prefetch" href="/assets/js/154.cd96137b.js"><link rel="prefetch" href="/assets/js/155.56c02f22.js"><link rel="prefetch" href="/assets/js/156.06915b4b.js"><link rel="prefetch" href="/assets/js/157.48c78886.js"><link rel="prefetch" href="/assets/js/158.cd306550.js"><link rel="prefetch" href="/assets/js/159.58b191bd.js"><link rel="prefetch" href="/assets/js/16.17c1f643.js"><link rel="prefetch" href="/assets/js/160.d9e7ebc3.js"><link rel="prefetch" href="/assets/js/161.8693d8a8.js"><link rel="prefetch" href="/assets/js/162.3b57337d.js"><link rel="prefetch" href="/assets/js/163.8c7d6f48.js"><link rel="prefetch" href="/assets/js/164.c233423f.js"><link rel="prefetch" href="/assets/js/165.c518b320.js"><link rel="prefetch" href="/assets/js/166.856ede39.js"><link rel="prefetch" href="/assets/js/167.4ab12a09.js"><link rel="prefetch" href="/assets/js/168.2cde6c08.js"><link rel="prefetch" href="/assets/js/169.e20bebf9.js"><link rel="prefetch" href="/assets/js/17.eb141f9f.js"><link rel="prefetch" href="/assets/js/170.926395d5.js"><link rel="prefetch" href="/assets/js/171.03b885f5.js"><link rel="prefetch" href="/assets/js/172.b198072c.js"><link rel="prefetch" href="/assets/js/173.72a81752.js"><link rel="prefetch" href="/assets/js/174.a5021f16.js"><link rel="prefetch" href="/assets/js/175.96ef1cbc.js"><link rel="prefetch" href="/assets/js/176.35f2d232.js"><link rel="prefetch" href="/assets/js/177.e46b5dad.js"><link rel="prefetch" href="/assets/js/178.42d5b053.js"><link rel="prefetch" href="/assets/js/179.3dc534c6.js"><link rel="prefetch" href="/assets/js/18.6ec85d2f.js"><link rel="prefetch" href="/assets/js/180.32503609.js"><link rel="prefetch" href="/assets/js/181.8f570e9b.js"><link rel="prefetch" href="/assets/js/182.5f870020.js"><link rel="prefetch" href="/assets/js/183.87f069d1.js"><link rel="prefetch" href="/assets/js/184.6b62bd9f.js"><link rel="prefetch" href="/assets/js/185.75a93f73.js"><link rel="prefetch" href="/assets/js/186.3679d30d.js"><link rel="prefetch" href="/assets/js/187.aadc1931.js"><link rel="prefetch" href="/assets/js/188.45ec75f2.js"><link rel="prefetch" href="/assets/js/189.c53b81b5.js"><link rel="prefetch" href="/assets/js/19.e46591ce.js"><link rel="prefetch" href="/assets/js/190.6c104cdc.js"><link rel="prefetch" href="/assets/js/191.7063bd59.js"><link rel="prefetch" href="/assets/js/192.1bf1a5f5.js"><link rel="prefetch" href="/assets/js/193.6ddaf5dc.js"><link rel="prefetch" href="/assets/js/194.f1cbfa0a.js"><link rel="prefetch" href="/assets/js/195.5e2b8a0c.js"><link rel="prefetch" href="/assets/js/196.beb9ab4a.js"><link rel="prefetch" href="/assets/js/197.1556443f.js"><link rel="prefetch" href="/assets/js/198.98c140d2.js"><link rel="prefetch" href="/assets/js/199.9f89fe8b.js"><link rel="prefetch" href="/assets/js/20.cf088c3b.js"><link rel="prefetch" href="/assets/js/200.a38be93c.js"><link rel="prefetch" href="/assets/js/201.c6d6883b.js"><link rel="prefetch" href="/assets/js/202.c32388f7.js"><link rel="prefetch" href="/assets/js/203.080586a5.js"><link rel="prefetch" href="/assets/js/204.a3b3ce92.js"><link rel="prefetch" href="/assets/js/205.8f527d4d.js"><link rel="prefetch" href="/assets/js/206.8b9ca96c.js"><link rel="prefetch" href="/assets/js/207.3bd5713f.js"><link rel="prefetch" href="/assets/js/208.1439d3fc.js"><link rel="prefetch" href="/assets/js/209.4e32a62b.js"><link rel="prefetch" href="/assets/js/21.7c4456b0.js"><link rel="prefetch" href="/assets/js/210.77bcc075.js"><link rel="prefetch" href="/assets/js/211.8189d726.js"><link rel="prefetch" href="/assets/js/212.1c2fddcb.js"><link rel="prefetch" href="/assets/js/213.0d1809ce.js"><link rel="prefetch" href="/assets/js/214.8cf08cfc.js"><link rel="prefetch" href="/assets/js/215.445138b6.js"><link rel="prefetch" href="/assets/js/216.736e26f0.js"><link rel="prefetch" href="/assets/js/217.9f9f800c.js"><link rel="prefetch" href="/assets/js/218.f999e184.js"><link rel="prefetch" href="/assets/js/219.cce97cb4.js"><link rel="prefetch" href="/assets/js/22.0d791f94.js"><link rel="prefetch" href="/assets/js/220.d72b3bb1.js"><link rel="prefetch" href="/assets/js/221.2fabcfa0.js"><link rel="prefetch" href="/assets/js/222.c60237eb.js"><link rel="prefetch" href="/assets/js/223.33c59f6f.js"><link rel="prefetch" href="/assets/js/224.d802bbc8.js"><link rel="prefetch" href="/assets/js/225.9b6f0752.js"><link rel="prefetch" href="/assets/js/226.f1c6f02f.js"><link rel="prefetch" href="/assets/js/227.6ba50795.js"><link rel="prefetch" href="/assets/js/228.5ca269b2.js"><link rel="prefetch" href="/assets/js/229.5f664035.js"><link rel="prefetch" href="/assets/js/23.02b0d4f9.js"><link rel="prefetch" href="/assets/js/230.eb3c9a16.js"><link rel="prefetch" href="/assets/js/231.6c30d669.js"><link rel="prefetch" href="/assets/js/232.48fe4a62.js"><link rel="prefetch" href="/assets/js/233.79e20921.js"><link rel="prefetch" href="/assets/js/234.d9207163.js"><link rel="prefetch" href="/assets/js/235.a260e741.js"><link rel="prefetch" href="/assets/js/236.eddd7a79.js"><link rel="prefetch" href="/assets/js/237.1f78f678.js"><link rel="prefetch" href="/assets/js/238.d148c482.js"><link rel="prefetch" href="/assets/js/239.a96f58b0.js"><link rel="prefetch" href="/assets/js/24.4d74510d.js"><link rel="prefetch" href="/assets/js/240.acfe152e.js"><link rel="prefetch" href="/assets/js/241.fd6e7595.js"><link rel="prefetch" href="/assets/js/242.5ac048d7.js"><link rel="prefetch" href="/assets/js/243.644d916a.js"><link rel="prefetch" href="/assets/js/244.d297b0df.js"><link rel="prefetch" href="/assets/js/245.bf64d7c9.js"><link rel="prefetch" href="/assets/js/246.812992e0.js"><link rel="prefetch" href="/assets/js/247.ce5bf8e3.js"><link rel="prefetch" href="/assets/js/248.24f61f9d.js"><link rel="prefetch" href="/assets/js/249.cb26fe62.js"><link rel="prefetch" href="/assets/js/25.77e4633a.js"><link rel="prefetch" href="/assets/js/250.2b4e72ca.js"><link rel="prefetch" href="/assets/js/251.22448820.js"><link rel="prefetch" href="/assets/js/252.c42d15d8.js"><link rel="prefetch" href="/assets/js/253.6a0b34fb.js"><link rel="prefetch" href="/assets/js/254.6d43bbe7.js"><link rel="prefetch" href="/assets/js/255.c1779bd2.js"><link rel="prefetch" href="/assets/js/256.2491ce33.js"><link rel="prefetch" href="/assets/js/257.4e74c883.js"><link rel="prefetch" href="/assets/js/258.f4b72fd8.js"><link rel="prefetch" href="/assets/js/259.cb673ff6.js"><link rel="prefetch" href="/assets/js/26.0057d37b.js"><link rel="prefetch" href="/assets/js/260.ee4d1603.js"><link rel="prefetch" href="/assets/js/261.acea6a9e.js"><link rel="prefetch" href="/assets/js/262.f1795204.js"><link rel="prefetch" href="/assets/js/263.4645793a.js"><link rel="prefetch" href="/assets/js/264.944c3e31.js"><link rel="prefetch" href="/assets/js/265.0b20ef16.js"><link rel="prefetch" href="/assets/js/266.19b6f2a1.js"><link rel="prefetch" href="/assets/js/267.311d8bfe.js"><link rel="prefetch" href="/assets/js/268.013f92f7.js"><link rel="prefetch" href="/assets/js/269.706a27e5.js"><link rel="prefetch" href="/assets/js/27.81294b57.js"><link rel="prefetch" href="/assets/js/270.5738b0d4.js"><link rel="prefetch" href="/assets/js/271.c904365e.js"><link rel="prefetch" href="/assets/js/272.f8360cab.js"><link rel="prefetch" href="/assets/js/273.41299e77.js"><link rel="prefetch" href="/assets/js/274.256ac066.js"><link rel="prefetch" href="/assets/js/275.451e4cf2.js"><link rel="prefetch" href="/assets/js/276.7a7fa215.js"><link rel="prefetch" href="/assets/js/277.099ab9e3.js"><link rel="prefetch" href="/assets/js/278.cd5468c2.js"><link rel="prefetch" href="/assets/js/279.a3fb5857.js"><link rel="prefetch" href="/assets/js/28.de5fbffd.js"><link rel="prefetch" href="/assets/js/280.07397c6f.js"><link rel="prefetch" href="/assets/js/281.306ef4dc.js"><link rel="prefetch" href="/assets/js/282.7d9902e6.js"><link rel="prefetch" href="/assets/js/283.a3840d95.js"><link rel="prefetch" href="/assets/js/284.ad23d7fe.js"><link rel="prefetch" href="/assets/js/285.a9956e24.js"><link rel="prefetch" href="/assets/js/286.f89618b5.js"><link rel="prefetch" href="/assets/js/287.50ca7d5c.js"><link rel="prefetch" href="/assets/js/288.8b780706.js"><link rel="prefetch" href="/assets/js/289.789f44e7.js"><link rel="prefetch" href="/assets/js/29.a31435b1.js"><link rel="prefetch" href="/assets/js/290.c79f804a.js"><link rel="prefetch" href="/assets/js/291.a7de9125.js"><link rel="prefetch" href="/assets/js/292.e00b421d.js"><link rel="prefetch" href="/assets/js/293.f8a3f8ec.js"><link rel="prefetch" href="/assets/js/294.5a435ddd.js"><link rel="prefetch" href="/assets/js/295.d86115ff.js"><link rel="prefetch" href="/assets/js/296.37cf874d.js"><link rel="prefetch" href="/assets/js/297.f3763ada.js"><link rel="prefetch" href="/assets/js/298.06671875.js"><link rel="prefetch" href="/assets/js/299.51a44544.js"><link rel="prefetch" href="/assets/js/30.60649b66.js"><link rel="prefetch" href="/assets/js/300.b75afdd6.js"><link rel="prefetch" href="/assets/js/301.a77c3315.js"><link rel="prefetch" href="/assets/js/302.cc106050.js"><link rel="prefetch" href="/assets/js/303.652968ce.js"><link rel="prefetch" href="/assets/js/304.9a83ed47.js"><link rel="prefetch" href="/assets/js/305.2090f106.js"><link rel="prefetch" href="/assets/js/306.a2443383.js"><link rel="prefetch" href="/assets/js/307.9236e6dd.js"><link rel="prefetch" href="/assets/js/308.ee661372.js"><link rel="prefetch" href="/assets/js/309.e63cf5b1.js"><link rel="prefetch" href="/assets/js/31.4b8359e5.js"><link rel="prefetch" href="/assets/js/310.490f907f.js"><link rel="prefetch" href="/assets/js/311.307894fd.js"><link rel="prefetch" href="/assets/js/312.265f7257.js"><link rel="prefetch" href="/assets/js/313.56c40b4a.js"><link rel="prefetch" href="/assets/js/314.e2ad4a63.js"><link rel="prefetch" href="/assets/js/315.45e20c4b.js"><link rel="prefetch" href="/assets/js/316.1d785829.js"><link rel="prefetch" href="/assets/js/317.1de6d257.js"><link rel="prefetch" href="/assets/js/318.bbfe9a69.js"><link rel="prefetch" href="/assets/js/319.eb7b75c1.js"><link rel="prefetch" href="/assets/js/32.c5d0178e.js"><link rel="prefetch" href="/assets/js/320.927a38b4.js"><link rel="prefetch" href="/assets/js/321.5e6f3098.js"><link rel="prefetch" href="/assets/js/322.5aae6989.js"><link rel="prefetch" href="/assets/js/323.e4fd51b3.js"><link rel="prefetch" href="/assets/js/324.443fc2c9.js"><link rel="prefetch" href="/assets/js/325.85ec5f57.js"><link rel="prefetch" href="/assets/js/326.b973a1f4.js"><link rel="prefetch" href="/assets/js/327.974ddc21.js"><link rel="prefetch" href="/assets/js/328.5292a7df.js"><link rel="prefetch" href="/assets/js/329.c7ddf3b9.js"><link rel="prefetch" href="/assets/js/33.b678d537.js"><link rel="prefetch" href="/assets/js/330.e9385de6.js"><link rel="prefetch" href="/assets/js/331.a726ee38.js"><link rel="prefetch" href="/assets/js/332.1d9d1a04.js"><link rel="prefetch" href="/assets/js/333.b035db36.js"><link rel="prefetch" href="/assets/js/334.847a98ce.js"><link rel="prefetch" href="/assets/js/335.2c5d7f93.js"><link rel="prefetch" href="/assets/js/336.9c1a7d2f.js"><link rel="prefetch" href="/assets/js/337.4150a41e.js"><link rel="prefetch" href="/assets/js/338.e93c5425.js"><link rel="prefetch" href="/assets/js/339.5ad5e1fd.js"><link rel="prefetch" href="/assets/js/34.5412189e.js"><link rel="prefetch" href="/assets/js/340.f0fa3c52.js"><link rel="prefetch" href="/assets/js/341.a0aad3d5.js"><link rel="prefetch" href="/assets/js/342.6b443937.js"><link rel="prefetch" href="/assets/js/343.fae30f87.js"><link rel="prefetch" href="/assets/js/344.2b4309dc.js"><link rel="prefetch" href="/assets/js/345.e5daabbb.js"><link rel="prefetch" href="/assets/js/346.c54a57fe.js"><link rel="prefetch" href="/assets/js/347.9e2c6c1d.js"><link rel="prefetch" href="/assets/js/348.53daceee.js"><link rel="prefetch" href="/assets/js/349.c7d6efc9.js"><link rel="prefetch" href="/assets/js/35.79f48bad.js"><link rel="prefetch" href="/assets/js/350.c36437c8.js"><link rel="prefetch" href="/assets/js/351.59114398.js"><link rel="prefetch" href="/assets/js/352.5bcb7f45.js"><link rel="prefetch" href="/assets/js/353.f1a35b09.js"><link rel="prefetch" href="/assets/js/354.3663e027.js"><link rel="prefetch" href="/assets/js/355.1e6ec0cc.js"><link rel="prefetch" href="/assets/js/357.f6f71c83.js"><link rel="prefetch" href="/assets/js/358.20892687.js"><link rel="prefetch" href="/assets/js/359.9689247a.js"><link rel="prefetch" href="/assets/js/36.cc467639.js"><link rel="prefetch" href="/assets/js/360.13f2ec3c.js"><link rel="prefetch" href="/assets/js/361.0ffc00b2.js"><link rel="prefetch" href="/assets/js/362.69775efd.js"><link rel="prefetch" href="/assets/js/363.1088b827.js"><link rel="prefetch" href="/assets/js/364.8e9d4673.js"><link rel="prefetch" href="/assets/js/365.228a2005.js"><link rel="prefetch" href="/assets/js/366.3e0ce2e8.js"><link rel="prefetch" href="/assets/js/367.788bacaa.js"><link rel="prefetch" href="/assets/js/368.4394fd40.js"><link rel="prefetch" href="/assets/js/369.b3159cf7.js"><link rel="prefetch" href="/assets/js/37.15871763.js"><link rel="prefetch" href="/assets/js/370.584442b6.js"><link rel="prefetch" href="/assets/js/371.85dd1e2b.js"><link rel="prefetch" href="/assets/js/372.ce7cd6e9.js"><link rel="prefetch" href="/assets/js/373.cc01337f.js"><link rel="prefetch" href="/assets/js/374.a12781cb.js"><link rel="prefetch" href="/assets/js/375.3ee41504.js"><link rel="prefetch" href="/assets/js/376.4b504e94.js"><link rel="prefetch" href="/assets/js/377.5edac2e6.js"><link rel="prefetch" href="/assets/js/378.1c6b99f9.js"><link rel="prefetch" href="/assets/js/379.b18f1c51.js"><link rel="prefetch" href="/assets/js/38.08c576c8.js"><link rel="prefetch" href="/assets/js/380.b5f8fdd4.js"><link rel="prefetch" href="/assets/js/381.7c35e2cb.js"><link rel="prefetch" href="/assets/js/382.962279af.js"><link rel="prefetch" href="/assets/js/383.0345a830.js"><link rel="prefetch" href="/assets/js/384.10bd0eff.js"><link rel="prefetch" href="/assets/js/385.7a8bb7ee.js"><link rel="prefetch" href="/assets/js/386.7736a7db.js"><link rel="prefetch" href="/assets/js/387.d08b9da1.js"><link rel="prefetch" href="/assets/js/388.3cafa76f.js"><link rel="prefetch" href="/assets/js/389.ba24fd52.js"><link rel="prefetch" href="/assets/js/39.cdd73c2f.js"><link rel="prefetch" href="/assets/js/390.8cc50870.js"><link rel="prefetch" href="/assets/js/391.e20b0b0d.js"><link rel="prefetch" href="/assets/js/392.c031075e.js"><link rel="prefetch" href="/assets/js/393.997fdfe4.js"><link rel="prefetch" href="/assets/js/394.f9db88bf.js"><link rel="prefetch" href="/assets/js/395.829eba9f.js"><link rel="prefetch" href="/assets/js/396.b08e0f17.js"><link rel="prefetch" href="/assets/js/397.c76a0b8d.js"><link rel="prefetch" href="/assets/js/398.ba487762.js"><link rel="prefetch" href="/assets/js/399.c6bf3d2b.js"><link rel="prefetch" href="/assets/js/4.9c4b1c6d.js"><link rel="prefetch" href="/assets/js/40.78497aeb.js"><link rel="prefetch" href="/assets/js/400.24658857.js"><link rel="prefetch" href="/assets/js/401.7d8c1bf6.js"><link rel="prefetch" href="/assets/js/402.b470b79c.js"><link rel="prefetch" href="/assets/js/403.8eabec2c.js"><link rel="prefetch" href="/assets/js/404.562089b0.js"><link rel="prefetch" href="/assets/js/405.93f42baf.js"><link rel="prefetch" href="/assets/js/406.9c882361.js"><link rel="prefetch" href="/assets/js/407.0150b19f.js"><link rel="prefetch" href="/assets/js/408.13f55315.js"><link rel="prefetch" href="/assets/js/409.8c793a14.js"><link rel="prefetch" href="/assets/js/41.3693bb5f.js"><link rel="prefetch" href="/assets/js/410.b081220a.js"><link rel="prefetch" href="/assets/js/411.7d92ad54.js"><link rel="prefetch" href="/assets/js/412.66ce07cd.js"><link rel="prefetch" href="/assets/js/413.b40cb73f.js"><link rel="prefetch" href="/assets/js/414.f7972b2d.js"><link rel="prefetch" href="/assets/js/415.dc0b5b9c.js"><link rel="prefetch" href="/assets/js/416.4c5e8958.js"><link rel="prefetch" href="/assets/js/417.6d3a2563.js"><link rel="prefetch" href="/assets/js/418.e57169e8.js"><link rel="prefetch" href="/assets/js/419.d2de5f92.js"><link rel="prefetch" href="/assets/js/42.e6b0aae2.js"><link rel="prefetch" href="/assets/js/420.6e0a10f2.js"><link rel="prefetch" href="/assets/js/421.a7359a05.js"><link rel="prefetch" href="/assets/js/422.355cb34b.js"><link rel="prefetch" href="/assets/js/423.23f9f437.js"><link rel="prefetch" href="/assets/js/424.2817d64d.js"><link rel="prefetch" href="/assets/js/425.e4661bd9.js"><link rel="prefetch" href="/assets/js/426.2c445017.js"><link rel="prefetch" href="/assets/js/427.85b764fa.js"><link rel="prefetch" href="/assets/js/428.e5116e77.js"><link rel="prefetch" href="/assets/js/429.449e71ca.js"><link rel="prefetch" href="/assets/js/43.3fff5a4c.js"><link rel="prefetch" href="/assets/js/430.86a765fe.js"><link rel="prefetch" href="/assets/js/431.5ecf6e5d.js"><link rel="prefetch" href="/assets/js/432.a487321b.js"><link rel="prefetch" href="/assets/js/433.52676bc7.js"><link rel="prefetch" href="/assets/js/434.74959389.js"><link rel="prefetch" href="/assets/js/435.7803f223.js"><link rel="prefetch" href="/assets/js/436.891b6ce7.js"><link rel="prefetch" href="/assets/js/437.2114d943.js"><link rel="prefetch" href="/assets/js/438.e849863d.js"><link rel="prefetch" href="/assets/js/439.ca7cb2e2.js"><link rel="prefetch" href="/assets/js/44.95939806.js"><link rel="prefetch" href="/assets/js/440.2971f4ef.js"><link rel="prefetch" href="/assets/js/441.5c4936d8.js"><link rel="prefetch" href="/assets/js/442.e2efd488.js"><link rel="prefetch" href="/assets/js/443.278a7fde.js"><link rel="prefetch" href="/assets/js/444.d100eb74.js"><link rel="prefetch" href="/assets/js/445.27cb76b0.js"><link rel="prefetch" href="/assets/js/446.b1a5daaf.js"><link rel="prefetch" href="/assets/js/447.41534a3b.js"><link rel="prefetch" href="/assets/js/448.8ef78be4.js"><link rel="prefetch" href="/assets/js/449.5b92edc3.js"><link rel="prefetch" href="/assets/js/45.4f6dc502.js"><link rel="prefetch" href="/assets/js/450.3ff3ce7b.js"><link rel="prefetch" href="/assets/js/451.4b455f4a.js"><link rel="prefetch" href="/assets/js/452.ae484514.js"><link rel="prefetch" href="/assets/js/453.810a97a4.js"><link rel="prefetch" href="/assets/js/454.4fcdf44d.js"><link rel="prefetch" href="/assets/js/455.cc17fe8e.js"><link rel="prefetch" href="/assets/js/456.967ee11a.js"><link rel="prefetch" href="/assets/js/457.60803f78.js"><link rel="prefetch" href="/assets/js/458.b0e3102e.js"><link rel="prefetch" href="/assets/js/459.dfc3d492.js"><link rel="prefetch" href="/assets/js/46.539f062d.js"><link rel="prefetch" href="/assets/js/460.cf3222d1.js"><link rel="prefetch" href="/assets/js/461.6f788f69.js"><link rel="prefetch" href="/assets/js/462.21aa03e0.js"><link rel="prefetch" href="/assets/js/463.2df6dbf1.js"><link rel="prefetch" href="/assets/js/464.f07334da.js"><link rel="prefetch" href="/assets/js/465.a8303ef6.js"><link rel="prefetch" href="/assets/js/466.ab4c1900.js"><link rel="prefetch" href="/assets/js/467.b3f00de3.js"><link rel="prefetch" href="/assets/js/468.c3a50baf.js"><link rel="prefetch" href="/assets/js/469.515e536f.js"><link rel="prefetch" href="/assets/js/47.13872d6f.js"><link rel="prefetch" href="/assets/js/470.e8181998.js"><link rel="prefetch" href="/assets/js/471.be1105d0.js"><link rel="prefetch" href="/assets/js/472.cdd52bbd.js"><link rel="prefetch" href="/assets/js/473.ece5d618.js"><link rel="prefetch" href="/assets/js/474.c950558a.js"><link rel="prefetch" href="/assets/js/475.66a7d99b.js"><link rel="prefetch" href="/assets/js/476.d351ffef.js"><link rel="prefetch" href="/assets/js/477.cd44b6c4.js"><link rel="prefetch" href="/assets/js/478.12d30458.js"><link rel="prefetch" href="/assets/js/479.f30fa99b.js"><link rel="prefetch" href="/assets/js/48.bec9faeb.js"><link rel="prefetch" href="/assets/js/480.561e2c22.js"><link rel="prefetch" href="/assets/js/481.6504abc3.js"><link rel="prefetch" href="/assets/js/482.25c23f5a.js"><link rel="prefetch" href="/assets/js/483.3375d751.js"><link rel="prefetch" href="/assets/js/484.d27966a2.js"><link rel="prefetch" href="/assets/js/485.fef6bd3e.js"><link rel="prefetch" href="/assets/js/486.c020b2d3.js"><link rel="prefetch" href="/assets/js/487.ea55c1c8.js"><link rel="prefetch" href="/assets/js/488.ff9741ce.js"><link rel="prefetch" href="/assets/js/489.9aa14208.js"><link rel="prefetch" href="/assets/js/49.f271ac34.js"><link rel="prefetch" href="/assets/js/490.101b9acf.js"><link rel="prefetch" href="/assets/js/491.862665a1.js"><link rel="prefetch" href="/assets/js/492.0c07e5ff.js"><link rel="prefetch" href="/assets/js/493.83997cf9.js"><link rel="prefetch" href="/assets/js/494.a0142c98.js"><link rel="prefetch" href="/assets/js/495.c09b730b.js"><link rel="prefetch" href="/assets/js/496.c8db5d04.js"><link rel="prefetch" href="/assets/js/497.9141827e.js"><link rel="prefetch" href="/assets/js/498.8e8025ec.js"><link rel="prefetch" href="/assets/js/499.1df4b8b0.js"><link rel="prefetch" href="/assets/js/5.2a4451ec.js"><link rel="prefetch" href="/assets/js/50.7d8944cd.js"><link rel="prefetch" href="/assets/js/500.e82cf853.js"><link rel="prefetch" href="/assets/js/501.c5ae8bda.js"><link rel="prefetch" href="/assets/js/502.a4c4f5dd.js"><link rel="prefetch" href="/assets/js/503.10334ca5.js"><link rel="prefetch" href="/assets/js/504.27bb36cd.js"><link rel="prefetch" href="/assets/js/505.41b98d5a.js"><link rel="prefetch" href="/assets/js/506.ffc4addb.js"><link rel="prefetch" href="/assets/js/507.d866fb45.js"><link rel="prefetch" href="/assets/js/508.a9de6bde.js"><link rel="prefetch" href="/assets/js/509.a1a7285a.js"><link rel="prefetch" href="/assets/js/51.fd01b1a1.js"><link rel="prefetch" href="/assets/js/510.de535a70.js"><link rel="prefetch" href="/assets/js/511.5fb745a6.js"><link rel="prefetch" href="/assets/js/512.bc3e190f.js"><link rel="prefetch" href="/assets/js/513.0c425734.js"><link rel="prefetch" href="/assets/js/514.ff5cc42e.js"><link rel="prefetch" href="/assets/js/515.9ea728dd.js"><link rel="prefetch" href="/assets/js/516.3cccca96.js"><link rel="prefetch" href="/assets/js/517.6caa6bb8.js"><link rel="prefetch" href="/assets/js/518.f3438412.js"><link rel="prefetch" href="/assets/js/519.998e2452.js"><link rel="prefetch" href="/assets/js/52.10d8a15b.js"><link rel="prefetch" href="/assets/js/520.d83038f1.js"><link rel="prefetch" href="/assets/js/521.f32178dd.js"><link rel="prefetch" href="/assets/js/522.c37b7b06.js"><link rel="prefetch" href="/assets/js/523.c76c543e.js"><link rel="prefetch" href="/assets/js/524.86a7c6cf.js"><link rel="prefetch" href="/assets/js/525.991b690c.js"><link rel="prefetch" href="/assets/js/526.9f70e3c0.js"><link rel="prefetch" href="/assets/js/527.a83cd8cd.js"><link rel="prefetch" href="/assets/js/528.8b3c6ee4.js"><link rel="prefetch" href="/assets/js/529.7f05b847.js"><link rel="prefetch" href="/assets/js/53.fab1833e.js"><link rel="prefetch" href="/assets/js/530.c395cc0a.js"><link rel="prefetch" href="/assets/js/531.f58f8106.js"><link rel="prefetch" href="/assets/js/532.1532b304.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.e4cee083.js"><link rel="prefetch" href="/assets/js/57.dad381ed.js"><link rel="prefetch" href="/assets/js/58.75b64521.js"><link rel="prefetch" href="/assets/js/59.70e0291b.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/61.0c0f12f7.js"><link rel="prefetch" href="/assets/js/62.2dc7dc16.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/67.2a47c8f6.js"><link rel="prefetch" href="/assets/js/68.b614ca3d.js"><link rel="prefetch" href="/assets/js/69.8f65fe0a.js"><link rel="prefetch" href="/assets/js/7.c5c54fb4.js"><link rel="prefetch" href="/assets/js/70.368e2128.js"><link rel="prefetch" href="/assets/js/71.cf483d39.js"><link rel="prefetch" href="/assets/js/72.704dce85.js"><link rel="prefetch" href="/assets/js/73.40fb8290.js"><link rel="prefetch" href="/assets/js/74.09954435.js"><link rel="prefetch" href="/assets/js/75.fe357f56.js"><link rel="prefetch" href="/assets/js/76.94be086c.js"><link rel="prefetch" href="/assets/js/77.0f413ac4.js"><link rel="prefetch" href="/assets/js/78.cfcd53d4.js"><link rel="prefetch" href="/assets/js/79.48a88057.js"><link rel="prefetch" href="/assets/js/8.de5c69e7.js"><link rel="prefetch" href="/assets/js/80.11411a23.js"><link rel="prefetch" href="/assets/js/81.754e7cd2.js"><link rel="prefetch" href="/assets/js/82.1929643c.js"><link rel="prefetch" href="/assets/js/83.11d993e7.js"><link rel="prefetch" href="/assets/js/84.64f1edd7.js"><link rel="prefetch" href="/assets/js/85.fe83febb.js"><link rel="prefetch" href="/assets/js/86.dfca82d7.js"><link rel="prefetch" href="/assets/js/87.77f8c5cc.js"><link rel="prefetch" href="/assets/js/88.97f8b1fd.js"><link rel="prefetch" href="/assets/js/89.25e0e089.js"><link rel="prefetch" href="/assets/js/9.875cf81e.js"><link rel="prefetch" href="/assets/js/90.9993a288.js"><link rel="prefetch" href="/assets/js/91.7e7b513e.js"><link rel="prefetch" href="/assets/js/92.f66be47b.js"><link rel="prefetch" href="/assets/js/93.ca35fc72.js"><link rel="prefetch" href="/assets/js/94.78931f97.js"><link rel="prefetch" href="/assets/js/95.87f1dff4.js"><link rel="prefetch" href="/assets/js/96.10bfabc4.js"><link rel="prefetch" href="/assets/js/97.a7a78def.js"><link rel="prefetch" href="/assets/js/98.49efa8b4.js"><link rel="prefetch" href="/assets/js/99.2fd2a38b.js"><link rel="prefetch" href="/assets/js/vendors~docsearch.eff714eb.js"> |
| <link rel="stylesheet" href="/assets/css/0.styles.ccadf850.css"> |
| </head> |
| <body> |
| <div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12z"></path></svg></div> <a href="/zh/" class="home-link router-link-active"><img src="/img/logo.png" alt=" " class="logo"></a> <div class="links"><div class="search-box"><input aria-label="Search" autocomplete="off" spellcheck="false" value=""> <!----></div> <nav class="nav-links can-hide"><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">文档</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/zh/UserGuide/Master/Get Started/QuickStart.html" class="nav-link">In progress</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.11.x/Get Started/QuickStart.html" class="nav-link">V0.11.x</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.10.x/Get Started/QuickStart.html" class="nav-link">V0.10.x</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.9.x/0-Get Started/1-QuickStart.html" class="nav-link">V0.9.x</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.8.x/0-Get Started/1-QuickStart.html" class="nav-link">V0.8.x</a></li></ul></div></div><div class="nav-item"><a href="/zh/SystemDesign/Architecture/Architecture.html" class="nav-link">系统设计</a></div><div class="nav-item"><a href="/zh/Download/" class="nav-link">下载</a></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">社区</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="https://cwiki.apache.org/confluence/display/iotdb" class="nav-link external"> |
| Wiki |
| <!----></a></li><li class="dropdown-item"><!----> <a href="/zh/Community/Community-Project Committers.html" class="nav-link">开发人员</a></li><li class="dropdown-item"><!----> <a href="/zh/Community/Community-Powered By.html" class="nav-link">技术支持</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">活动与报告</a></li><li class="dropdown-item"><!----> <a href="/zh/Community/Feedback.html" class="nav-link">交流与反馈</a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">开发</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/zh/Development/VoteRelease.html" class="nav-link">如何投票</a></li><li class="dropdown-item"><!----> <a href="/zh/Development/HowToCommit.html" class="nav-link">如何提交代码</a></li><li class="dropdown-item"><!----> <a href="/zh/Development/Committer.html" class="nav-link">成为Committer</a></li><li class="dropdown-item"><!----> <a href="/zh/Development/ContributeGuide.html" class="nav-link">项目开发指南</a></li><li class="dropdown-item"><!----> <a href="/zh/Development/format-changelist.html" class="nav-link">TsFile的更改列表</a></li><li class="dropdown-item"><!----> <a href="/zh/Development/rpc-changelist.html" class="nav-link">RPC变更清单</a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">ASF</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="http://www.apache.org/" class="nav-link external"> |
| 基金会 |
| <!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/licenses/" class="nav-link external"> |
| 许可证 |
| <!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/security/" class="nav-link external"> |
| 安全 |
| <!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/foundation/sponsorship.html" class="nav-link external"> |
| 赞助 |
| <!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/foundation/thanks.html" class="nav-link external"> |
| 致谢 |
| <!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/events/current-event" class="nav-link external"> |
| 活动 |
| <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">语言</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/Master/Server/Config Manual.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/Master/Server/Config Manual.html" class="nav-link">简体中文</a></li></ul></div></div> <a href="https://github.com/apache/iotdb.git" target="_blank" rel="noopener noreferrer" class="repo-link"> |
| gitHub |
| <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></a></nav></div></header> <div class="sidebar-mask"></div> <aside class="sidebar"><nav class="nav-links"><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">文档</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/zh/UserGuide/Master/Get Started/QuickStart.html" class="nav-link">In progress</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.11.x/Get Started/QuickStart.html" class="nav-link">V0.11.x</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.10.x/Get Started/QuickStart.html" class="nav-link">V0.10.x</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.9.x/0-Get Started/1-QuickStart.html" class="nav-link">V0.9.x</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/V0.8.x/0-Get Started/1-QuickStart.html" class="nav-link">V0.8.x</a></li></ul></div></div><div class="nav-item"><a href="/zh/SystemDesign/Architecture/Architecture.html" class="nav-link">系统设计</a></div><div class="nav-item"><a href="/zh/Download/" class="nav-link">下载</a></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">社区</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="https://cwiki.apache.org/confluence/display/iotdb" class="nav-link external"> |
| Wiki |
| <!----></a></li><li class="dropdown-item"><!----> <a href="/zh/Community/Community-Project Committers.html" class="nav-link">开发人员</a></li><li class="dropdown-item"><!----> <a href="/zh/Community/Community-Powered By.html" class="nav-link">技术支持</a></li><li class="dropdown-item"><!----> <a href="/Community/Materials.html" class="nav-link">活动与报告</a></li><li class="dropdown-item"><!----> <a href="/zh/Community/Feedback.html" class="nav-link">交流与反馈</a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">开发</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/zh/Development/VoteRelease.html" class="nav-link">如何投票</a></li><li class="dropdown-item"><!----> <a href="/zh/Development/HowToCommit.html" class="nav-link">如何提交代码</a></li><li class="dropdown-item"><!----> <a href="/zh/Development/Committer.html" class="nav-link">成为Committer</a></li><li class="dropdown-item"><!----> <a href="/zh/Development/ContributeGuide.html" class="nav-link">项目开发指南</a></li><li class="dropdown-item"><!----> <a href="/zh/Development/format-changelist.html" class="nav-link">TsFile的更改列表</a></li><li class="dropdown-item"><!----> <a href="/zh/Development/rpc-changelist.html" class="nav-link">RPC变更清单</a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">ASF</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="http://www.apache.org/" class="nav-link external"> |
| 基金会 |
| <!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/licenses/" class="nav-link external"> |
| 许可证 |
| <!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/security/" class="nav-link external"> |
| 安全 |
| <!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/foundation/sponsorship.html" class="nav-link external"> |
| 赞助 |
| <!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/foundation/thanks.html" class="nav-link external"> |
| 致谢 |
| <!----></a></li><li class="dropdown-item"><!----> <a href="http://www.apache.org/events/current-event" class="nav-link external"> |
| 活动 |
| <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">语言</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/Master/Server/Config Manual.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/Master/Server/Config Manual.html" class="nav-link">简体中文</a></li></ul></div></div> <a href="https://github.com/apache/iotdb.git" target="_blank" rel="noopener noreferrer" class="repo-link"> |
| gitHub |
| <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></a></nav> <ul class="sidebar-links"><li><section class="sidebar-group depth-0"><p class="sidebar-heading"><span>IoTDB用户手册 (In progress)</span> <!----></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>开始</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>概述</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>概念</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading open"><span>服务器端</span> <span class="arrow down"></span></p> <ul class="sidebar-links sidebar-group-items"><li><a href="/zh/UserGuide/Master/Server/Download.html" class="sidebar-link">下载</a></li><li><a href="/zh/UserGuide/Master/Server/Single Node Setup.html" class="sidebar-link">单节点安装</a></li><li><a href="/zh/UserGuide/Master/Server/Cluster Setup.html" class="sidebar-link">集群设置</a></li><li><a href="/zh/UserGuide/Master/Server/Config Manual.html" class="active sidebar-link">配置手册</a></li><li><a href="/zh/UserGuide/Master/Server/Docker Image.html" class="sidebar-link">Docker镜像</a></li><li><a href="/zh/UserGuide/Master/Server/ServerFileList.html" class="sidebar-link">服务端文件列表</a></li></ul></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>客户端</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>操作指南</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>系统工具</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>生态集成</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>系统设计</span> <span class="arrow right"></span></p> <!----></section></li></ul> </aside> <main class="page"> <div class="content content__default"><h1 id="配置手册"><a href="#配置手册" class="header-anchor">#</a> 配置手册</h1> <p>为方便IoTDB Server的配置与管理，IoTDB Server为用户提供三种配置项，使得用户可以在启动服务器或服务器运行时对其进行配置。</p> <p>三种配置项的配置文件均位于IoTDB安装目录：<code>$IOTDB_HOME/conf</code>文件夹下,其中涉及server配置的共有2个文件，分别为：<code>iotdb-env.sh</code>, <code>iotdb-engine.properties</code>。用户可以通过更改其中的配置项对系统运行的相关配置项进行配置。</p> <p>配置文件的说明如下：</p> <ul><li><p><code>iotdb-env.sh</code>：环境配置项的默认配置文件。用户可以在文件中配置JAVA-JVM的相关系统配置项。</p></li> <li><p><code>iotdb-engine.properties</code>：IoTDB引擎层系统配置项的默认配置文件。用户可以在文件中配置IoTDB引擎运行时的相关参数，如JDBC服务监听端口(<code>rpc_port</code>)、overflow数据文件存储目录(<code>overflow_data_dir</code>)等。此外，用户可以在文件中配置IoTDB存储时TsFile文件的相关信息，如每次将内存中的数据写入到磁盘时的数据大小(<code>group_size_in_byte</code>)，内存中每个列打一次包的大小(<code>page_size_in_byte</code>)等。</p></li></ul> <h2 id="热修改配置项"><a href="#热修改配置项" class="header-anchor">#</a> 热修改配置项</h2> <p>为方便用户使用，IoTDB Server为用户提供了热修改功能，即在系统运行过程中修改<code>iotdb-engine.properties</code>中部分配置参数并即时应用到系统中。下面介绍的参数中，改后 |
| 生效方式为<code>触发生效</code>的均为支持热修改的配置参数。</p> <p>触发方式：客户端发送<code>load configuration</code>命令至IoTDB Server，客户端的使用方式详见第4章</p> <h2 id="环境配置项"><a href="#环境配置项" class="header-anchor">#</a> 环境配置项</h2> <p>环境配置项主要用于对IoTDB Server运行的Java环境相关参数进行配置，如JVM相关配置。IoTDB Server启动时，此部分配置会被传给JVM。用户可以通过查看 <code>iotdb-env.sh</code>(或<code>iotdb-env.bat</code>)文件查看环境配置项内容。详细配置项说明如下：</p> <ul><li>JMX_LOCAL</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">JMX_LOCAL</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">JMX监控模式，配置为yes表示仅允许本地监控，设置为no的时候表示允许远程监控</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">枚举String : “yes”, “no”</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">yes</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务器生效</td></tr></tbody></table> <ul><li>JMX_PORT</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">JMX_PORT</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">JMX监听端口。请确认该端口不是系统保留端口并且未被占用。</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Short Int: [0,65535]</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">31999</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务器生效</td></tr></tbody></table> <ul><li>MAX_HEAP_SIZE</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">MAX_HEAP_SIZE</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">IoTDB启动时能使用的最大堆内存大小。</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">String</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">取决于操作系统和机器配置。在Linux或MacOS系统下默认为机器内存的四分之一。在Windows系统下，32位系统的默认值是512M，64位系统默认值是2G。</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务器生效</td></tr></tbody></table> <ul><li>HEAP_NEWSIZE</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">HEAP_NEWSIZE</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">IoTDB启动时能使用的最小堆内存大小。</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">String</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">取决于操作系统和机器配置。在Linux或MacOS系统下默认值为机器CPU核数乘以100M的值与MAX_HEAP_SIZE四分之一这二者的最小值。在Windows系统下，32位系统的默认值是512M，64位系统默认值是2G。。</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务器生效</td></tr></tbody></table> <h2 id="系统配置项"><a href="#系统配置项" class="header-anchor">#</a> 系统配置项</h2> <p>系统配置项是IoTDB Server运行的核心配置，它主要用于设置IoTDB Server文件层和引擎层的参数，便于用户根据自身需求调整Server的相关配置，以达到较好的性能表现。系统配置项可分为两大模块：文件层配置项和引擎层配置项。用户可以通过查看<code>iotdb-engine.properties</code>,文件查看和修改两种配置项的内容。在0.7.0版本中字符串类型的配置项大小写敏感。</p> <h3 id="文件层配置"><a href="#文件层配置" class="header-anchor">#</a> 文件层配置</h3> <ul><li>compressor</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">compressor</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">数据压缩方法</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">枚举String : “UNCOMPRESSED”, “SNAPPY”</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">UNCOMPRESSED</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">触发生效</td></tr></tbody></table> <ul><li>group_size_in_byte</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">group_size_in_byte</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">每次将内存中的数据写入到磁盘时的最大写入字节数</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Int32</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">134217728</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">触发生效</td></tr></tbody></table> <ul><li>max_number_of_points_in_page</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">max_number_of_points_in_page</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">一个页中最多包含的数据点（时间戳-值的二元组）数量</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Int32</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">1048576</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">触发生效</td></tr></tbody></table> <ul><li>max_degree_of_index_node</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">max_degree_of_index_node</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">元数据索引树的最大度（即每个节点的最大子节点个数）</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Int32</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">1024</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">仅允许在第一次启动服务器前修改</td></tr></tbody></table> <ul><li>max_string_length</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">max_string_length</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">针对字符串类型的数据，单个字符串最大长度，单位为字符</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Int32</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">128</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">触发生效</td></tr></tbody></table> <ul><li>page_size_in_byte</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">page_size_in_byte</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">内存中每个列写出时，写成的单页最大的大小，单位为字节</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Int32</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">65536</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">触发生效</td></tr></tbody></table> <ul><li>time_series_data_type</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">time_series_data_type</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">时间戳数据类型</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">枚举String: "INT32", "INT64"</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">Int64</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">触发生效</td></tr></tbody></table> <ul><li>time_encoder</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">time_encoder</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">时间列编码方式</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">枚举String: “TS_2DIFF”,“PLAIN”,“RLE”</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">TS_2DIFF</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">触发生效</td></tr></tbody></table> <ul><li>float_precision</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">float_precision</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">浮点数精度，为小数点后数字的位数</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Int32</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">默认为2位。注意：32位浮点数的十进制精度为7位，64位浮点数的十进制精度为15位。如果设置超过机器精度将没有实际意义。</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">触发生效</td></tr></tbody></table> <ul><li>bloomFilterErrorRate</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">bloomFilterErrorRate</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">bloom过滤器的误报率. 在加载元数据之前 Bloom filter 可以检查给定的时间序列是否在 TsFile 中。这可以优化加载元数据的性能，并跳过不包含指定时间序列的 TsFile。如果你想了解更多关于它的细节，你可以参考: <a href="https://en.wikipedia.org/wiki/Bloom_filter" target="_blank" rel="noopener noreferrer">wiki page of bloom filter<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>.</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">浮点数, 范围为(0, 1)</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">0.05</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启生效</td></tr></tbody></table> <h3 id="引擎层配置"><a href="#引擎层配置" class="header-anchor">#</a> 引擎层配置</h3> <ul><li>data_dirs</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">data_dirs</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">IoTDB数据存储路径，默认存放在和bin目录同级的data目录下。相对路径的起始目录与操作系统相关，建议使用绝对路径。</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">String</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">data</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">触发生效</td></tr></tbody></table> <ul><li>enable_wal</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">enable_wal</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">是否开启写前日志，默认值为true表示开启，配置成false表示关闭</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Bool</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">true</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">触发生效</td></tr></tbody></table> <ul><li>tag_attribute_total_size</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">tag_attribute_total_size</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">每个时间序列标签和属性的最大持久化字节数</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Int32</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">700</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">仅允许在第一次启动服务器前修改</td></tr></tbody></table> <ul><li>enable_partial_insert</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">enable_partial_insert</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">在一次insert请求中，如果部分测点写入失败，是否继续写入其他测点</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Bool</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">true</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务器生效</td></tr></tbody></table> <ul><li>mtree_snapshot_interval</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">mtree_snapshot_interval</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">创建 MTree snapshot 时至少累积的 mlog 日志行数。单位为日志行数</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Int32</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">100000</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务器生效</td></tr></tbody></table> <ul><li>fetch_size</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">fetch_size</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">批量读取数据的时候，每一次读取数据的数量。单位为数据条数，即不同时间戳的个数。某次会话中，用户可以在使用时自己设定，此时仅在该次会话中生效。</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Int32</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">10000</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务器生效</td></tr></tbody></table> <ul><li>force_wal_period_in_ms</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">force_wal_period_in_ms</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">写前日志定期刷新到磁盘的周期，单位毫秒，有可能丢失至多force_wal_period_in_ms毫秒的操作。</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Int32</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">10</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">触发生效</td></tr></tbody></table> <ul><li>flush_wal_threshold</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">flush_wal_threshold</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">写前日志的条数达到该值之后，刷新到磁盘，有可能丢失至多flush_wal_threshold个操作</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Int32</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">10000</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">触发生效</td></tr></tbody></table> <ul><li>merge_concurrent_threads</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">merge_concurrent_threads</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">乱序数据进行合并的时候最多可以用来进行merge的线程数。值越大，对IO和CPU消耗越多。值越小，当乱序数据过多时，磁盘占用量越大，读取会变慢。</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Int32</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">0</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务器生效</td></tr></tbody></table> <ul><li>enable_mem_control</li></ul> <table><thead><tr><th style="text-align:center;">Name</th> <th style="text-align:left;">enable_mem_control</th></tr></thead> <tbody><tr><td style="text-align:center;">Description</td> <td style="text-align:left;">开启内存控制，避免爆内存</td></tr> <tr><td style="text-align:center;">Type</td> <td style="text-align:left;">Bool</td></tr> <tr><td style="text-align:center;">Default</td> <td style="text-align:left;">true</td></tr> <tr><td style="text-align:center;">Effective</td> <td style="text-align:left;">重启服务器生效</td></tr></tbody></table> <ul><li>memtable_size_threshold</li></ul> <table><thead><tr><th style="text-align:center;">Name</th> <th style="text-align:left;">memtable_size_threshold</th></tr></thead> <tbody><tr><td style="text-align:center;">Description</td> <td style="text-align:left;">内存缓冲区 memtable 阈值</td></tr> <tr><td style="text-align:center;">Type</td> <td style="text-align:left;">Long</td></tr> <tr><td style="text-align:center;">Default</td> <td style="text-align:left;">1073741824</td></tr> <tr><td style="text-align:center;">Effective</td> <td style="text-align:left;">enable_mem_control为false时生效、重启服务器生效</td></tr></tbody></table> <ul><li>avg_series_point_number_threshold</li></ul> <table><thead><tr><th style="text-align:center;">Name</th> <th style="text-align:left;">avg_series_point_number_threshold</th></tr></thead> <tbody><tr><td style="text-align:center;">Description</td> <td style="text-align:left;">内存中平均每个时间序列点数最大值，达到触发flush</td></tr> <tr><td style="text-align:center;">Type</td> <td style="text-align:left;">Int32</td></tr> <tr><td style="text-align:center;">Default</td> <td style="text-align:left;">10000</td></tr> <tr><td style="text-align:center;">Effective</td> <td style="text-align:left;">重启服务器生效</td></tr></tbody></table> <ul><li>tsfile_size_threshold</li></ul> <table><thead><tr><th style="text-align:center;">Name</th> <th style="text-align:left;">tsfile_size_threshold</th></tr></thead> <tbody><tr><td style="text-align:center;">Description</td> <td style="text-align:left;">每个 tsfile 大小</td></tr> <tr><td style="text-align:center;">Type</td> <td style="text-align:left;">Long</td></tr> <tr><td style="text-align:center;">Default</td> <td style="text-align:left;">536870912</td></tr> <tr><td style="text-align:center;">Effective</td> <td style="text-align:left;">重启服务器生效</td></tr></tbody></table> <ul><li>enable_partition</li></ul> <table><thead><tr><th style="text-align:center;">Name</th> <th style="text-align:left;">enable_partition</th></tr></thead> <tbody><tr><td style="text-align:center;">Description</td> <td style="text-align:left;">是否开启将数据按时间分区存储的功能，如果关闭，所有数据都属于分区 0</td></tr> <tr><td style="text-align:center;">Type</td> <td style="text-align:left;">Bool</td></tr> <tr><td style="text-align:center;">Default</td> <td style="text-align:left;">false</td></tr> <tr><td style="text-align:center;">Effective</td> <td style="text-align:left;">仅允许在第一次启动服务器前修改</td></tr></tbody></table> <ul><li>partition_interval</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">partition_interval</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">用于存储组分区的时间段长度，用户指定的存储组下会使用该时间段进行分区，单位：秒</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Int64</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">604800</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">仅允许在第一次启动服务器前修改</td></tr></tbody></table> <ul><li>memtable_num_in_each_storage_group</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">memtable_num_in_each_storage_group</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">每个存储组所控制的memtable的最大数量，这决定了来源于多少个不同时间分区的数据可以并发写入<br>举例来说，你的时间分区为按天分区，想要同时并发写入3天的数据，那么这个值应该被设置为6(3个给顺序写入，3个给乱序写入)</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Int32</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">10</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务器生效</td></tr></tbody></table> <ul><li>multi_dir_strategy</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">multi_dir_strategy</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">IoTDB在tsfile_dir中为TsFile选择目录时采用的策略。可使用简单类名或类名全称。系统提供以下三种策略：<br>1. SequenceStrategy：IoTDB按顺序从tsfile_dir中选择目录，依次遍历tsfile_dir中的所有目录，并不断轮循；<br>2. MaxDiskUsableSpaceFirstStrategy：IoTDB优先选择tsfile_dir中对应磁盘空余空间最大的目录；<br>3. MinFolderOccupiedSpaceFirstStrategy：IoTDB优先选择tsfile_dir中已使用空间最小的目录；<br>4. UserDfineStrategyPackage（用户自定义策略）<br>您可以通过以下方法完成用户自定义策略：<br>1. 继承cn.edu.tsinghua.iotdb.conf.directories.strategy.DirectoryStrategy类并实现自身的Strategy方法；<br>2. 将实现的类的完整类名（包名加类名，UserDfineStrategyPackage）填写到该配置项；<br>3. 将该类jar包添加到工程中。</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">String</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">MaxDiskUsableSpaceFirstStrategy</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">触发生效</td></tr></tbody></table> <ul><li>rpc_address</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">rpc_address</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;"></td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">String</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">"0.0.0.0"</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务器生效</td></tr></tbody></table> <ul><li>rpc_port</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">rpc_port</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">jdbc服务监听端口。请确认该端口不是系统保留端口并且未被占用。</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Short Int : [0,65535]</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">6667</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务器生效</td></tr></tbody></table> <ul><li>rpc_thrift_compression_enable</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">rpc_thrift_compression_enable</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">是否启用thrift的压缩机制。</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">true 或者 false</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">false</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务器生效</td></tr></tbody></table> <ul><li>rpc_advanced_compression_enable</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">rpc_advanced_compression_enable</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">是否启用thrift的自定制压缩机制。</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">true 或者 false</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">false</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务器生效</td></tr></tbody></table> <ul><li>time_zone</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">time_zone</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">服务器所处的时区，默认为北京时间（东八区）</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Time Zone String</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">+08:00</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">触发生效</td></tr></tbody></table> <ul><li>enable_stat_monitor</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">enable_stat_monitor</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">选择是否启动后台统计功能</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Boolean</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">false</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务器生效</td></tr></tbody></table> <ul><li>concurrent_flush_thread</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">concurrent_flush_thread</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">当IoTDB将内存中的数据写入磁盘时，最多启动多少个线程来执行该操作。如果该值小于等于0，那么采用机器所安装的CPU核的数量。默认值为0。</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Int32</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">0</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务器生效</td></tr></tbody></table> <ul><li>tsfile_storage_fs</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">tsfile_storage_fs</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">Tsfile和相关数据文件的存储文件系统。目前支持LOCAL（本地文件系统）和HDFS两种</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">String</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">LOCAL</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">仅允许在第一次启动服务器前修改</td></tr></tbody></table> <ul><li>core_site_path</li></ul> <table><thead><tr><th style="text-align:center;">Name</th> <th style="text-align:left;">core_site_path</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">在Tsfile和相关数据文件存储到HDFS的情况下用于配置core-site.xml的绝对路径</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">String</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">/etc/hadoop/conf/core-site.xml</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务器生效</td></tr></tbody></table> <ul><li>hdfs_site_path</li></ul> <table><thead><tr><th style="text-align:center;">Name</th> <th style="text-align:left;">hdfs_site_path</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">在Tsfile和相关数据文件存储到HDFS的情况下用于配置hdfs-site.xml的绝对路径</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">String</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">/etc/hadoop/conf/hdfs-site.xml</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务器生效</td></tr></tbody></table> <ul><li>hdfs_ip</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">hdfs_ip</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">在Tsfile和相关数据文件存储到HDFS的情况下用于配置HDFS的IP。<strong>如果配置了多于1个hdfs_ip，则表明启用了Hadoop HA</strong></td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">String</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">localhost</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务器生效</td></tr></tbody></table> <ul><li>hdfs_port</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">hdfs_port</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">在Tsfile和相关数据文件存储到HDFS的情况下用于配置HDFS的端口</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">String</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">9000</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务器生效</td></tr></tbody></table> <ul><li>dfs_nameservices</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">hdfs_nameservices</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">在使用Hadoop HA的情况下用于配置HDFS的nameservices</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">String</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">hdfsnamespace</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务器生效</td></tr></tbody></table> <ul><li>dfs_ha_namenodes</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">hdfs_ha_namenodes</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">在使用Hadoop HA的情况下用于配置HDFS的nameservices下的namenodes</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">String</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">nn1,nn2</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务器生效</td></tr></tbody></table> <ul><li>dfs_ha_automatic_failover_enabled</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">dfs_ha_automatic_failover_enabled</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">在使用Hadoop HA的情况下用于配置是否使用失败自动切换</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">Boolean</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">true</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务器生效</td></tr></tbody></table> <ul><li>dfs_client_failover_proxy_provider</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">dfs_client_failover_proxy_provider</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">在使用Hadoop HA且使用失败自动切换的情况下配置失败自动切换的实现方式</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">String</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">org.apache.hadoop.hdfs.server.namenode.ha.ConfiguredFailoverProxyProvider</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务器生效</td></tr></tbody></table> <ul><li>hdfs_use_kerberos</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">hdfs_use_kerberos</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">是否使用kerberos验证访问hdfs</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">String</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">false</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务器生效</td></tr></tbody></table> <ul><li>kerberos_keytab_file_path</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">kerberos_keytab_file_path</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">kerberos keytab file 的完整路径</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">String</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">/path</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务器生效</td></tr></tbody></table> <ul><li>kerberos_principal</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">kerberos_principal</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">Kerberos 认证原则</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">String</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">your principal</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务器生效</td></tr></tbody></table> <ul><li>authorizer_provider_class</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">authorizer_provider_class</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">权限服务的类名</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">String</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">org.apache.iotdb.db.auth.authorizer.LocalFileAuthorizer</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务器生效</td></tr> <tr><td style="text-align:center;">其他可选值</td> <td style="text-align:left;">org.apache.iotdb.db.auth.authorizer.OpenIdAuthorizer</td></tr></tbody></table> <ul><li>openID_url</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">openID_url</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">openID 服务器地址 （当OpenIdAuthorizer被启用时必须设定）</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">String （一个http地址）</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">无</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务器生效</td></tr></tbody></table> <ul><li>thrift_max_frame_size</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">thrift_max_frame_size</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">RPC 请求/响应的最大字节数</td></tr> <tr><td style="text-align:center;">类型</td> <td style="text-align:left;">long</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">67108864 (应大于等于 8 * 1024 * 1024)</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务器生效</td></tr></tbody></table> <h2 id="数据类型自动推断"><a href="#数据类型自动推断" class="header-anchor">#</a> 数据类型自动推断</h2> <ul><li>enable_auto_create_schema</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">enable_auto_create_schema</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">当写入的序列不存在时，是否自动创建序列到Schema</td></tr> <tr><td style="text-align:center;">取值</td> <td style="text-align:left;">true or false</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">true</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务器生效</td></tr></tbody></table> <ul><li>default_storage_group_level</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">default_storage_group_level</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">当写入的数据不存在且自动创建序列时，若需要创建相应的存储组，将序列路径的哪一层当做存储组. 例如, 如果我们接到一个新序列 root.sg0.d1.s2, 并且level=1， 那么root.sg0被视为存储组（因为root是level 0 层）</td></tr> <tr><td style="text-align:center;">取值</td> <td style="text-align:left;">整数</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">1</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务器生效</td></tr></tbody></table> <ul><li>boolean_string_infer_type</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">boolean_string_infer_type</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">"true" 或者 "false" 被视为什么数据</td></tr> <tr><td style="text-align:center;">取值</td> <td style="text-align:left;">BOOLEAN 或者 TEXT</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">BOOLEAN</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务器生效</td></tr></tbody></table> <ul><li>integer_string_infer_type</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">integer_string_infer_type</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">整数型数据被推断成什么</td></tr> <tr><td style="text-align:center;">取值</td> <td style="text-align:left;">INT32, INT64, FLOAT, DOUBLE, TEXT</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">FLOAT</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务器生效</td></tr></tbody></table> <ul><li>nan_string_infer_type</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">nan_string_infer_type</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">NaN 字符串被推断为什么</td></tr> <tr><td style="text-align:center;">取值</td> <td style="text-align:left;">DOUBLE, FLOAT or TEXT</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">FLOAT</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务器生效</td></tr></tbody></table> <ul><li>floating_string_infer_type</li></ul> <table><thead><tr><th style="text-align:center;">名字</th> <th style="text-align:left;">floating_string_infer_type</th></tr></thead> <tbody><tr><td style="text-align:center;">描述</td> <td style="text-align:left;">"6.7"等浮点数被推断为什么</td></tr> <tr><td style="text-align:center;">取值</td> <td style="text-align:left;">DOUBLE, FLOAT or TEXT</td></tr> <tr><td style="text-align:center;">默认值</td> <td style="text-align:left;">FLOAT</td></tr> <tr><td style="text-align:center;">改后生效方式</td> <td style="text-align:left;">重启服务器生效</td></tr></tbody></table> <h2 id="开启gc日志"><a href="#开启gc日志" class="header-anchor">#</a> 开启GC日志</h2> <p>GC日志默认是关闭的。为了性能调优，用户可能会需要收集GC信息。 |
| 若要打开GC日志，则需要在启动IoTDB Server的时候加上"printgc"参数：</p> <div class="language-bash line-numbers-mode"><pre class="language-bash"><code><span class="token function">nohup</span> sbin/start-server.sh printgc <span class="token operator">></span>/dev/null <span class="token operator"><span class="token file-descriptor important">2</span>></span><span class="token file-descriptor important">&1</span> <span class="token operator">&</span> |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>或者</p> <div class="language-bash line-numbers-mode"><pre class="language-bash"><code>sbin<span class="token punctuation">\</span>start-server.bat printgc |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>GC日志会被存储在<code>IOTDB_HOME/logs/gc.log</code>. 至多会存储10个gc.log文件，每个文件最多10MB。</p></div> <div class="page-nav"><p class="inner"><span class="prev"> |
| ← |
| <a href="/zh/UserGuide/Master/Server/Cluster Setup.html" class="prev"> |
| 集群设置 |
| </a></span> <span class="next"><a href="/zh/UserGuide/Master/Server/Docker Image.html"> |
| Docker镜像 |
| </a> |
| → |
| </span></p></div> <p style="text-align: center;">Copyright © 2021 The Apache Software Foundation.<br> |
| Apache and the Apache feather logo are trademarks of The Apache Software Foundation</p> <p style="text-align: center; margin-top: 10px; color: #444"> |
| Contact us: Join QQ Group 659990460 | Add friend <i>tietouqiao</i> and be invited to Wechat Group<br> |
| see <a href="https://github.com/apache/iotdb/issues/1995">Join the community</a> for more</p></main></div><div class="global-ui"></div></div> |
| <script src="/assets/js/app.238820fa.js" defer></script><script src="/assets/js/3.5626571b.js" defer></script><script src="/assets/js/356.c60a3daf.js" defer></script> |
| </body> |
| </html> |
