(window.webpackJsonp=window.webpackJsonp||[]).push([[1552],{2114:function(t,e,l){"use strict";l.r(e);var _=l(69),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:"配置手册"}},[l("a",{staticClass:"header-anchor",attrs:{href:"#配置手册"}},[t._v("#")]),t._v(" 配置手册")]),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2个文件，分别为："),l("code",[t._v("iotdb-env.sh")]),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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"),l("tbody",[l("tr",[l("td",{staticStyle:{"text-align":"center"}},[t._v("描述")]),t._v(" "),l("td",{staticStyle:{"text-align":"left"}},[t._v("Kerberos 认证原则")])]),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("your principal")])]),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("h2",{attrs:{id:"开启gc日志"}},[l("a",{staticClass:"header-anchor",attrs:{href:"#开启gc日志"}},[t._v("#")]),t._v(" 开启GC日志")]),t._v(" "),l("p",[t._v('GC日志默认是关闭的。为了性能调优，用户可能会需要手机GC信息。\n若要打开GC日志，则需要在启动IoTDB Server的时候加上"printgc"参数：')]),t._v(" "),l("div",{staticClass:"language-bash 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