(window.webpackJsonp=window.webpackJsonp||[]).push([[1619],{2190:function(t,e,l){"use strict";l.r(e);var _=l(71),a=Object(_.a)({},(function(){var t=this,e=t.$createElement,l=t._self._c||e;return l("ContentSlotsDistributor",{attrs:{"slot-key":t.$parent.slotKey}},[l("h1",{attrs:{id:"系统配置"}},[l("a",{staticClass:"header-anchor",attrs:{href:"#系统配置"}},[t._v("#")]),t._v(" 系统配置")]),t._v(" "),l("p",[t._v("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。")]),t._v(" "),l("p",[t._v("三种配置项的配置文件均位于IoTDB安装目录："),l("code",[t._v("$IOTDB_HOME/conf")]),t._v("文件夹下,其中涉及server配置的共有3个文件，分别为："),l("code",[t._v("iotdb-env.sh")]),t._v(", "),l("code",[t._v("tsfile-format.properties")]),t._v(", "),l("code",[t._v("iotdb-engine.properties")]),t._v("。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。")]),t._v(" "),l("p",[t._v("配置文件的说明如下：")]),t._v(" "),l("ul",[l("li",[l("p",[l("code",[t._v("iotdb-env.sh")]),t._v("：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。")])]),t._v(" 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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；"),l("br"),t._v("2. MaxDiskUsableSpaceFirstStrategy：IoTDB优先选择tsfile_dir中对应磁盘空余空间最大的目录；"),l("br"),t._v("3. MinFolderOccupiedSpaceFirstStrategy：IoTDB优先选择tsfile_dir中已使用空间最小的目录；"),l("br"),t._v("4. <UserDfineStrategyPackage>（用户自定义策略）"),l("br"),t._v("您可以通过以下方法完成用户自定义策略："),l("br"),t._v("1. 继承cn.edu.tsinghua.iotdb.conf.directories.strategy.DirectoryStrategy类并实现自身的Strategy方法；"),l("br"),t._v("2. 将实现的类的完整类名（包名加类名，UserDfineStrategyPackage）填写到该配置项；"),l("br"),t._v("3. 将该类jar包添加到工程中。")])]),t._v(" "),l("tr",[l("td",{staticStyle:{"text-align":"center"}},[t._v("类型")]),t._v(" "),l("td",{staticStyle:{"text-align":"left"}},[t._v("String")])]),t._v(" "),l("tr",[l("td",{staticStyle:{"text-align":"center"}},[t._v("默认值")]),t._v(" "),l("td",{staticStyle:{"text-align":"left"}},[t._v("MaxDiskUsableSpaceFirstStrategy")])]),t._v(" "),l("tr",[l("td",{staticStyle:{"text-align":"center"}},[t._v("改后生效方式")]),t._v(" "),l("td",{staticStyle:{"text-align":"left"}},[t._v("重启服务器生效")])])])]),t._v(" "),l("ul",[l("li",[t._v("rpc_address")])]),t._v(" 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