diff options
Diffstat (limited to 'rubbos/app/apache2/manual/vhosts/fd-limits.html.en')
| -rw-r--r-- | rubbos/app/apache2/manual/vhosts/fd-limits.html.en | 133 |
1 files changed, 0 insertions, 133 deletions
diff --git a/rubbos/app/apache2/manual/vhosts/fd-limits.html.en b/rubbos/app/apache2/manual/vhosts/fd-limits.html.en deleted file mode 100644 index 4649f65f..00000000 --- a/rubbos/app/apache2/manual/vhosts/fd-limits.html.en +++ /dev/null @@ -1,133 +0,0 @@ -<?xml version="1.0" encoding="ISO-8859-1"?> -<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> -<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en"><head><!-- - XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX - This file is generated from xml source: DO NOT EDIT - XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX - --> -<title>File Descriptor Limits - Apache HTTP Server</title> -<link href="../style/css/manual.css" rel="stylesheet" media="all" type="text/css" title="Main stylesheet" /> -<link href="../style/css/manual-loose-100pc.css" rel="alternate stylesheet" media="all" type="text/css" title="No Sidebar - Default font size" /> -<link href="../style/css/manual-print.css" rel="stylesheet" media="print" type="text/css" /> -<link href="../images/favicon.ico" rel="shortcut icon" /></head> -<body id="manual-page" class="no-sidebar"><div id="page-header"> -<p class="menu"><a href="../mod/">Modules</a> | <a href="../mod/directives.html">Directives</a> | <a href="../faq/">FAQ</a> | <a href="../glossary.html">Glossary</a> | <a href="../sitemap.html">Sitemap</a></p> -<p class="apache">Apache HTTP Server Version 2.0</p> -<img alt="" src="../images/feather.gif" /></div> -<div class="up"><a href="./"><img title="<-" alt="<-" src="../images/left.gif" /></a></div> -<div id="path"> -<a href="http://www.apache.org/">Apache</a> > <a href="http://httpd.apache.org/">HTTP Server</a> > <a href="http://httpd.apache.org/docs/">Documentation</a> > <a href="../">Version 2.0</a> > <a href="./">Virtual Hosts</a></div><div id="page-content"><div id="preamble"><h1>File Descriptor Limits</h1> -<div class="toplang"> -<p><span>Available Languages: </span><a href="../en/vhosts/fd-limits.html" title="English"> en </a> | -<a href="../ja/vhosts/fd-limits.html" hreflang="ja" rel="alternate" title="Japanese"> ja </a> | -<a href="../ko/vhosts/fd-limits.html" hreflang="ko" rel="alternate" title="Korean"> ko </a> | -<a href="../tr/vhosts/fd-limits.html" hreflang="tr" rel="alternate" title="Türkçe"> tr </a></p> -</div> - - - <p>When using a large number of Virtual Hosts, Apache may run - out of available file descriptors (sometimes called <cite>file - handles</cite>) if each Virtual Host specifies different log - files. The total number of file descriptors used by Apache is - one for each distinct error log file, one for every other log - file directive, plus 10-20 for internal use. Unix operating - systems limit the number of file descriptors that may be used - by a process; the limit is typically 64, and may usually be - increased up to a large hard-limit.</p> - - <p>Although Apache attempts to increase the limit as required, - this may not work if:</p> - - <ol> - <li>Your system does not provide the <code>setrlimit()</code> - system call.</li> - - <li>The <code>setrlimit(RLIMIT_NOFILE)</code> call does not - function on your system (such as Solaris 2.3)</li> - - <li>The number of file descriptors required exceeds the hard - limit.</li> - - <li>Your system imposes other limits on file descriptors, - such as a limit on stdio streams only using file descriptors - below 256. (Solaris 2)</li> - </ol> - - <p>In the event of problems you can:</p> - - <ul> - <li>Reduce the number of log files; don't specify log files - in the <code class="directive"><a href="../mod/core.html#virtualhost"><VirtualHost></a></code> - sections, but only log to the main log files. (See <a href="#splitlogs">Splitting up your log files</a>, below, for more - information on doing this.)</li> - - <li> - If you system falls into 1 or 2 (above), then increase the - file descriptor limit before starting Apache, using a - script like - - <div class="example"><p><code> - <code>#!/bin/sh<br /> - ulimit -S -n 100<br /> - exec httpd</code> - </code></p></div> - </li> - </ul> - - <p>Please see the <a href="../misc/descriptors.html">Descriptors and Apache</a> - document containing further details about file descriptor - problems and how they can be solved on your operating - system.</p> - -</div> -<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div> -<div class="section"> -<h2><a name="splitlogs" id="splitlogs">Splitting up your log files</a></h2> - -<p>If you want to log multiple virtual hosts to the same log file, you -may want to split up the log files afterwards in order to run -statistical analysis of the various virtual hosts. This can be -accomplished in the following manner.</p> - -<p>First, you will need to add the virtual host information to the log -entries. This can be done using the <code class="directive"><a href="../mod/mod_log_config.html# logformat"> -LogFormat</a></code> -directive, and the <code>%v</code> variable. Add this to the beginning -of your log format string:</p> - -<div class="example"><p><code> -LogFormat "%v %h %l %u %t \"%r\" %>s %b" vhost<br /> -CustomLog logs/multiple_vhost_log vhost -</code></p></div> - -<p>This will create a log file in the common log format, but with the -canonical virtual host (whatever appears in the -<code class="directive"><a href="../mod/core.html#servername">ServerName</a></code> directive) prepended to -each line. (See <code class="directive"><a href="../mod/mod_log_config.html#custom log formats">Custom Log Formats</a></code> for -more about customizing your log files.)</p> - -<p>When you wish to split your log file into its component parts (one -file per virtual host) you can use the program <code><a href="../programs/other.html">split-logfile</a></code> to accomplish -this. You'll find this program in the <code>support</code> directory -of the Apache distribution.</p> - -<p>Run this program with the command:</p> - -<div class="example"><p><code> -split-logfile < /logs/multiple_vhost_log -</code></p></div> - -<p>This program, when run with the name of your vhost log file, will -generate one file for each virtual host that appears in your log file. -Each file will be called <code>hostname.log</code>.</p> - -</div></div> -<div class="bottomlang"> -<p><span>Available Languages: </span><a href="../en/vhosts/fd-limits.html" title="English"> en </a> | -<a href="../ja/vhosts/fd-limits.html" hreflang="ja" rel="alternate" title="Japanese"> ja </a> | -<a href="../ko/vhosts/fd-limits.html" hreflang="ko" rel="alternate" title="Korean"> ko </a> | -<a href="../tr/vhosts/fd-limits.html" hreflang="tr" rel="alternate" title="Türkçe"> tr </a></p> -</div><div id="footer"> -<p class="apache">Copyright 2009 The Apache Software Foundation.<br />Licensed under the <a href="http://www.apache.org/licenses/LICENSE-2.0">Apache License, Version 2.0</a>.</p> -<p class="menu"><a href="../mod/">Modules</a> | <a href="../mod/directives.html">Directives</a> | <a href="../faq/">FAQ</a> | <a href="../glossary.html">Glossary</a> | <a href="../sitemap.html">Sitemap</a></p></div> -</body></html>
\ No newline at end of file |