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"),a("p",[t._v("GC日志默认是关闭的。为了性能调优，用户可能会需要收集GC信息。\n若要打开GC日志，则需要在启动IoTDB Server的时候加上"),a("code",[t._v("printgc")]),t._v("参数：")]),t._v(" "),a("div",{staticClass:"language-bash line-numbers-mode"},[a("pre",{pre:!0,attrs:{class:"language-bash"}},[a("code",[a("span",{pre:!0,attrs:{class:"token function"}},[t._v("nohup")]),t._v(" sbin/start-node.sh printgc "),a("span",{pre:!0,attrs:{class:"token operator"}},[t._v(">")]),t._v("/dev/null "),a("span",{pre:!0,attrs:{class:"token operator"}},[a("span",{pre:!0,attrs:{class:"token file-descriptor important"}},[t._v("2")]),t._v(">")]),a("span",{pre:!0,attrs:{class:"token file-descriptor important"}},[t._v("&1")]),t._v(" "),a("span",{pre:!0,attrs:{class:"token operator"}},[t._v("&")]),t._v("\n")])]),t._v(" "),a("div",{staticClass:"line-numbers-wrapper"},[a("span",{staticClass:"line-number"},[t._v("1")]),a("br")])]),a("p",[t._v("或者")]),t._v(" "),a("div",{staticClass:"language-bash line-numbers-mode"},[a("pre",{pre:!0,attrs:{class:"language-bash"}},[a("code",[t._v("sbin"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("\\")]),t._v("start-node.bat printgc\n")])]),t._v(" "),a("div",{staticClass:"line-numbers-wrapper"},[a("span",{staticClass:"line-number"},[t._v("1")]),a("br")])]),a("p",[t._v("GC日志会被存储在"),a("code",[t._v("IOTDB_HOME/logs/")]),t._v("下面。")])])}),[],!1,null,null,null);e.default=n.exports}}]);