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Edit File: ServerStat_Help.html
<!DOCTYPE html> <head> <meta charset="utf-8" /> <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1" /> <title>OpenLiteSpeed Users' Manual - WebAdmin Console - Service Manager</title> <meta name="description" content="OpenLiteSpeed Users' Manual - WebAdmin Console - Service Manager." /> <meta name="viewport" content="width=device-width, initial-scale=1.0" /> <meta name="robots" content="noindex"> <link rel="shortcut icon" href="../img/favicon.ico" /> <link rel="stylesheet" type="text/css" href="../css/hdoc.css"> </head> <body> <div class="pagewrapper clearfix"><aside class="sidetree ls-col-1-5"> <figure> <img src="img/ols_logo.svg" alt="openlitespeed logo" width="150px"/> </figure> <h2 class="ls-text-thin"> OpenLiteSpeed Web Server <a href="index.html"> Users' Manual</a> </h2> <h3 class="ls-text-muted">Version 1.8 — Rev. 3</h3> <hr/> <div> <ul> <li><a href="license.html">License</a></li> <li><a href="intro.html">Introduction</a></li> <li><a href="install.html">Installation</a></li> <li> <a href="admin.html">Administration</a> <ul class="level2"> <li><span class="current"><a href="ServerStat_Help.html">Service Manager</a></span></li> <li><a href="Real_Time_Stats_Help.html">Real-Time Stats</a></li> </ul> </li> <li><a href="security.html">Security</a></li> <li> <a href="config.html">Configuration</a> <ul class="level2"> <li><a href="ServGeneral_Help.html">Server General</a></li> <li><a href="ServLog_Help.html">Server Log</a></li> <li><a href="ServTuning_Help.html">Server Tuning</a></li> <li><a href="ServSecurity_Help.html">Server Security</a></li> <li><a href="ExtApp_Help.html">External Apps</a></li> <ul class="level3"> <li><a href="External_FCGI.html">Fast CGI App</a></li> <li><a href="External_FCGI_Auth.html">Fast CGI Authorizer</a></li> <li><a href="External_LSAPI.html">LSAPI App</a></li> <li><a href="External_Servlet.html">Servlet Engine</a></li> <li><a href="External_WS.html">Web Server</a></li> <li><a href="External_PL.html">Piped logger</a></li> <li><a href="External_LB.html">Load Balancer</a></li> </ul> <li><a href="ScriptHandler_Help.html">Script Handler</a></li> <li><a href="App_Server_Help.html">App Server Settings</a></li> <li><a href="Module_Help.html">Module Configuration</a></li> <li><a href="Listeners_General_Help.html">Listener General</a></li> <li><a href="Listeners_SSL_Help.html">Listener SSL</a></li> <li><a href="Templates_Help.html">Virtual Host Templates</a></li> <li><a href="VirtualHosts_Help.html">Virtual Host Basic</a></li> <li><a href="VHGeneral_Help.html">Virtual Host General</a></li> <li><a href="VHSecurity_Help.html">Virtual Host Security</a></li> <li><a href="VHSSL_Help.html">Virtual Host SSL</a></li> <li><a href="Rewrite_Help.html">Rewrite</a></li> <li><a href="Context_Help.html">Context</a></li> <ul class="level3"> <li><a href="Static_Context.html">Static Context</a></li> <li> <a href="Java_Web_App_Context.html">Java Web App Context</a> </li> <li><a href="Servlet_Context.html">Servlet Context</a></li> <li><a href="FCGI_Context.html">Fast CGI Context</a></li> <li><a href="LSAPI_Context.html">LSAPI Context</a></li> <li><a href="Proxy_Context.html">Proxy Context</a></li> <li><a href="CGI_Context.html">CGI Context</a></li> <li><a href="LB_Context.html">Load Balancer Context</a></li> <li><a href="Redirect_Context.html">Redirect Context</a></li> <li><a href="App_Server_Context.html">App Server Context</a></li> <li><a href="Module_Context.html">Module Handler Context</a></li> </ul> <li><a href="VHWebSocket_Help.html">Web Socket Proxy</a></li> </ul> </li> <li><a href="webconsole.html">Web Console</a> <ul class="level2"> <li><a href="AdminGeneral_Help.html">Admin Console General</a></li> <li><a href="AdminSecurity_Help.html">Admin Console Security</a></li> <li> <a href="AdminListeners_General_Help.html"> Admin Listener General </a> </li> <li> <a href="AdminListeners_SSL_Help.html">Admin Listener SSL</a> </li> </ul> </li> </ul> </div> </aside> <article class="contentwrapper ls-col-3-5 clearfix"><div class="nav-bar ls-spacer-micro-top"><div class="prev"> </div><div class="center"><a href="admin.html">Administration</a></div><div class="next"><a href="Real_Time_Stats_Help.html">Real-Time Statistics</a> »</div></div> <h1>WebAdmin Console - Service Manager</h1><section class="ls-spacer-small-bottom">The Service Manager acts as a control room for monitoring the server and controlling certain top-level functions. It provides the following features: (The Service Manager can be accessed by clicking on the Actions menu or from home page.) <ul> <li>Monitor the current status of the server, listeners, and virtual hosts.</li> <li>Apply configuration changes with a graceful restart.</li> <li>Enable or disable a particular virtual host.</li> <li>View the server log through the log viewer.</li> <li>Monitor real-time server statistics.</li> </ul></section> <h2 id="top">Table of Contents</h2><section class="toc"><section class="toc-row"><header>Server</header><p> <a href="#sname">Name - Server</a> | <a href="#pid">PID</a> | <a href="#servAction">Actions</a> | <a href="#restart">Apply Changes/Graceful Restart</a> | <a href="#viewlog">Server Log Viewer</a> | <a href="#realtimerpt">Real-Time Statistics</a> | <a href="#toggleDebugLog">Toggle Debug Logging</a></p></section> <section class="toc-row"><header>Listeners</header><p> <a href="#lname">Name - Listener</a> | <a href="#lstatus">Status - Listener</a> | <a href="#lmap">Virtual Hosts Mappings</a></p></section> <section class="toc-row"><header>Virtual Hosts</header><p> <a href="#vname">Name - Virtual Host</a> | <a href="#vstatus">Status - Virtual Host</a> | <a href="#vaction">Actions - Virtual Host</a> | <a href="#venable">Enable</a> | <a href="#vdisable">Disable</a> | <a href="#vreload">Restart - Virtual Host</a></p></section> </section> <section><div class="helpitem"><article class="ls-helpitem"><div><header id="sname"><h3>Name - Server<span class="ls-permlink"><a href="#sname"></a></span><span class="top"><a href="#top">⇑</a></span></h3></header></div><h4>Description</h4><p>The unique name that identifies this server. This is the <span class="tagl"><a href="ServGeneral_Help.html#serverName">服务器名称</a></span> specified in the general configuration.</p> </article> </div> <div class="helpitem"><article class="ls-helpitem"><div><header id="pid"><h3>PID<span class="ls-permlink"><a href="#pid"></a></span><span class="top"><a href="#top">⇑</a></span></h3></header></div><h4>Description</h4><p>PID (Process ID) of the current server process.</p> <h4>提示</h4><p><span title="Information" class="ls-icon-info"></span> The PID will change each time the server is restarted.</p> </article> </div> <div class="helpitem"><article class="ls-helpitem"><div><header id="servAction"><h3>Actions<span class="ls-permlink"><a href="#servAction"></a></span><span class="top"><a href="#top">⇑</a></span></h3></header></div><h4>Description</h4><p>Six actions are available from this menu: <span class="val">Graceful Restart</span>, <span class="val">Toggle Debug Logging</span>, <span class="val">Server Log Viewer</span>, <span class="val">Real-Time Statistics</span>, <span class="val">Version Manager</span>, and <span class="val">Compile PHP</span>. <ul><li><span class="tagl"><a href="#restart">Apply Changes/Graceful Restart</a></span> restarts server process gracefully without interrupting requests in process.</li> <li><span class="tagl"><a href="#toggleDebugLog">Toggle Debug Logging</a></span> turns debug logging on or off.</li> <li><span class="tagl"><a href="#viewlog">Server Log Viewer</a></span> allows you to view the server log through the log viewer.</li> <li><span class="tagl"><a href="#realtimerpt">Real-Time Statistics</a></span> allows you to view real-time server status.</li> <li><span class="tagl"><a href="#vermgr">Version Management</a></span> allows you to download new versions of LSWS and switch between different versions. <li>Compile PHP allows you to compile PHP for LiteSpeed Web Server. </ul></p> <h4>提示</h4><p><span title="Information" class="ls-icon-info"></span> The shell utility <span class="cmd">$SERVER_ROOT/bin/lswsctrl</span> can be used to control the server processes as well, but requires a login shell.</p> </article> </div> <div class="helpitem"><article class="ls-helpitem"><div><header id="restart"><h3>Apply Changes/Graceful Restart<span class="ls-permlink"><a href="#restart"></a></span><span class="top"><a href="#top">⇑</a></span></h3></header></div><h4>Description</h4><p>By clicking <span class="val">Graceful Restart</span>, a new server process will be started. For <span class="val">Graceful Restart</span>, the old server process will only exit after all requests to it have been finished (or the <span class="tagl"><a href="#gracefulRestartTimeout">平滑重启超时时长(secs)</a></span> limit has been reached). Configuration changes are applied at the next restart. <span class="val">Graceful Restart</span> will apply these changes without any server downtime.</p> <h4>提示</h4><p><span title="Information" class="ls-icon-info"></span> Graceful restart takes less than 2 seconds to generate a new server process.</p> </article> </div> <div class="helpitem"><article class="ls-helpitem"><div><header id="viewlog"><h3>Server Log Viewer<span class="ls-permlink"><a href="#viewlog"></a></span><span class="top"><a href="#top">⇑</a></span></h3></header></div><h4>Description</h4><p>The Server Log Viewer is a convenient tool for browsing the current server log to check for errors or problems. The log viewer searches the server log file in blocks for the specified log level. The default block size is 20KB. You can use the <span class="val">Begin</span>, <span class="val">End</span>, <span class="val">Next</span>, and <span class="val">Prev</span> buttons to navigate a large log file.</p> <h4>提示</h4><p><span title="Information" class="ls-icon-info"></span> The size of a dynamically generated page is limited by <span class="tagl"><a href="ServTuning_Help.html#maxDynRespSize">动态回应主内容最大大小(bytes)</a></span>. So if the block is too big, the page might be truncated.</p> </article> </div> <div class="helpitem"><article class="ls-helpitem"><div><header id="realtimerpt"><h3>Real-Time Statistics<span class="ls-permlink"><a href="#realtimerpt"></a></span><span class="top"><a href="#top">⇑</a></span></h3></header></div><h4>Description</h4><p>The Real-Time Statistics link leads to a page with a real-time server status report. This is a convenient tool to monitor the system. The report shows a snapshot of your server statistics. The refresh rate for this snapshot is controlled by the Refresh Interval drop-down list in the upper righthand corner. The report contains the following sections: <ul><li>Server Health shows the basic server statistics, uptime, load, and anti-DDoS blocked IPs.</li> <li>Server lists current traffic throughput, connections, and requests statistics.</li> <li>Virtual Host shows request processing statuses and external application statuses for each virtual host.</li> <li>External Application lists the external applications currently running and their usage statistics. The CGI daemon process lscgid is always running as an external application.</li> </ul> Many of the rows in the Real-Time Statistics feature a graph icon. Clicking on this icon will open a graph of that row's statistics updated in real-time. In the Server section, next to Requests, there is a link labeled (Details). This link takes you to the Requests Snapshot, where you can view detailed information on which clients are making certain kinds of requests or which aspects of your site are bottlenecking. The fields in the blue area allow you to filter the snapshot to isolate certain parts of your server or look for clients that are performing certain actions.</p> </article> </div> <div class="helpitem"><article class="ls-helpitem"><div><header id="toggleDebugLog"><h3>Toggle Debug Logging<span class="ls-permlink"><a href="#toggleDebugLog"></a></span><span class="top"><a href="#top">⇑</a></span></h3></header></div><h4>Description</h4><p>Toggle Debug Logging toggles the value of <span class="tagl"><a href="ServGeneral_Help.html#log_debugLevel">调试级别</a></span> between <span class="val">NONE</span> and <span class="val">HIGH</span>. As debug logging has an impact on performance and can fill up the hard drive quickly, so <span class="tagl"><a href="ServGeneral_Help.html#log_debugLevel">调试级别</a></span> should usually be set to <span class="val">NONE</span> on a production server. This feature can be used instead to turn debug logging on and off quickly in order to debug a problem on a production server. Debug logging turned on or off in this way will not change anything shown in your server configurations.</p> <h4>提示</h4><p><span title="Information" class="ls-icon-info"></span> <span class="tagl"><a href="#toggleDebugLog">Toggle Debug Logging</a></span> will only work if <span class="tagl"><a href="ServGeneral_Help.html#log_logLevel">日志级别</a></span> is set to <span class="val">DEBUG</span>. <span title="Performance" class="ls-icon-performance"></span> Important! Debug logging includes detailed information for each request and response. Active debug logging will severely degrade service performance and potentially saturate disk space in a very short time. This feature should only be used for a short period of time when trying to diagnose server issues.</p> <h4>See Also</h4><p class="ls-text-small"><span class="tagl"><a href="ServGeneral_Help.html#log_debugLevel">调试级别</a></span>, <span class="tagl"><a href="ServGeneral_Help.html#log_logLevel">日志级别</a></span></p> </article> </div> <div class="helpitem"><article class="ls-helpitem"><div><header id="lname"><h3>Name - Listener<span class="ls-permlink"><a href="#lname"></a></span><span class="top"><a href="#top">⇑</a></span></h3></header></div><h4>Description</h4><p>The unique name that identifies this listener. This is the <span class="tagl"><a href="Listeners_General_Help.html#listenerName">侦听器名称</a></span> you specified when setting up the listener.</p> </article> </div> <div class="helpitem"><article class="ls-helpitem"><div><header id="lstatus"><h3>Status - Listener<span class="ls-permlink"><a href="#lstatus"></a></span><span class="top"><a href="#top">⇑</a></span></h3></header></div><h4>Description</h4><p>The current status of this listener. The status is either <span class="val">Running</span> or <span class="val">Error</span>.</p> <h4>提示</h4><p><span title="Information" class="ls-icon-info"></span> If the listener is in the <span class="val">Error</span> state, you can view the server log to find out why.</p> </article> </div> <div class="helpitem"><article class="ls-helpitem"><div><header id="lmap"><h3>Virtual Hosts Mappings<span class="ls-permlink"><a href="#lmap"></a></span><span class="top"><a href="#top">⇑</a></span></h3></header></div><h4>Description</h4><p>Shows currently established mappings to virtual hosts from a particular listener. The virtual host name appears in brackets and is followed by the matching domain name(s) for this listener.</p> <h4>提示</h4><p><span title="Information" class="ls-icon-info"></span> If a virtual host has not been loaded successfully (fatal errors in the virtual host configuration), the mapping to that virtual host will not be displayed.</p> </article> </div> <div class="helpitem"><article class="ls-helpitem"><div><header id="vname"><h3>Name - Virtual Host<span class="ls-permlink"><a href="#vname"></a></span><span class="top"><a href="#top">⇑</a></span></h3></header></div><h4>Description</h4><p>The unique name that identifies this virtual host. This is the <span class="tagl"><a href="VirtualHosts_Help.html#vhName">虚拟主机名</a></span> you specified when setting up this virtual host.</p> </article> </div> <div class="helpitem"><article class="ls-helpitem"><div><header id="vstatus"><h3>Status - Virtual Host<span class="ls-permlink"><a href="#vstatus"></a></span><span class="top"><a href="#top">⇑</a></span></h3></header></div><h4>Description</h4><p>The current status of a virtual host. The status can be: <span class="val">Running</span>, <span class="val">Stopped</span>, <span class="val">Restart Required</span>, or <span class="val">Running - Removed from Configuration</span>. <ul> <li><span class="val">Running</span> means the virtual host is loaded and in service.</li> <li><span class="val">Stopped</span> means the virtual host is loaded but not in service (disabled). </li> <li><span class="val"> Restart Required</span> means this is a newly added virtual host and the server has not yet loaded its configuration. </li> <li><span class="val">Running - Removed from Configuration</span> means the virtual host has been deleted from the server's configuration but it is still in service. </li> </ul></p> </article> </div> <div class="helpitem"><article class="ls-helpitem"><div><header id="vaction"><h3>Actions - Virtual Host<span class="ls-permlink"><a href="#vaction"></a></span><span class="top"><a href="#top">⇑</a></span></h3></header></div><h4>Description</h4><p>This field shows buttons to disable, enable, or restart the virtual host. Actions taken on one virtual host do not affect the rest of the web server.</p> <h4>提示</h4><p><span title="Information" class="ls-icon-info"></span> It is good idea to disable a virtual host temporarily when updating its content.</p> </article> </div> <div class="helpitem"><article class="ls-helpitem"><div><header id="venable"><h3>Enable<span class="ls-permlink"><a href="#venable"></a></span><span class="top"><a href="#top">⇑</a></span></h3></header></div><h4>Description</h4><p>The <span class="val">Enable</span> action starts up a stopped virtual host. This allows new requests to be accepted.</p> </article> </div> <div class="helpitem"><article class="ls-helpitem"><div><header id="vdisable"><h3>Disable<span class="ls-permlink"><a href="#vdisable"></a></span><span class="top"><a href="#top">⇑</a></span></h3></header></div><h4>Description</h4><p>The <span class="val">Disable</span> action stops a running virtual host. New requests will not be accepted, but requests being processed will finish as usual.</p> </article> </div> <div class="helpitem"><article class="ls-helpitem"><div><header id="vreload"><h3>Restart - Virtual Host<span class="ls-permlink"><a href="#vreload"></a></span><span class="top"><a href="#top">⇑</a></span></h3></header></div><h4>Description</h4><p>The Restart action causes the web server to load the newest configuration for this virtual host. Requests being processed will finish with the old configuration. The new configuration will only apply for new requests. All changes to a virtual host can be applied on the fly this way.</p> </article> </div> </section> </article><div class="ls-col-1-1"><footer class="copyright">Copyright © 2013-2020. <a href="https://www.litespeedtech.com">LiteSpeed Technologies Inc.</a> 版权所有.</footer> </div></div> </body> </html>
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