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| author | Rich Bowen <rbowen@apache.org> | 2001-09-22 21:39:26 +0200 |
|---|---|---|
| committer | Rich Bowen <rbowen@apache.org> | 2001-09-22 21:39:26 +0200 |
| commit | f88b50dec40878abeccce0e1b9cfc6780a4b1465 (patch) | |
| tree | 84e6a7b926e102d9f322b96351f2346be29c2db5 /docs/manual/vhosts/fd-limits.html.en | |
| parent | w3c tidy to convert to xhtml. Please verify that foreign language files (diff) | |
| download | apache2-f88b50dec40878abeccce0e1b9cfc6780a4b1465.tar.xz apache2-f88b50dec40878abeccce0e1b9cfc6780a4b1465.zip | |
w3c tidy to convert to xhtml
git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@91116 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to 'docs/manual/vhosts/fd-limits.html.en')
| -rw-r--r-- | docs/manual/vhosts/fd-limits.html.en | 130 |
1 files changed, 72 insertions, 58 deletions
diff --git a/docs/manual/vhosts/fd-limits.html.en b/docs/manual/vhosts/fd-limits.html.en index 6b9d0f93c4..dc09fb2d57 100644 --- a/docs/manual/vhosts/fd-limits.html.en +++ b/docs/manual/vhosts/fd-limits.html.en @@ -1,59 +1,73 @@ -<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN"> -<HTML> -<HEAD> -<TITLE>Apache Server Virtual Host Support</TITLE> -</HEAD> - -<!-- Background white, links blue (unvisited), navy (visited), red (active) --> -<BODY - BGCOLOR="#FFFFFF" - TEXT="#000000" - LINK="#0000FF" - VLINK="#000080" - ALINK="#FF0000" -> -<!--#include virtual="header.html" --> -<H1 ALIGN="CENTER">File Descriptor Limits</H1> - -<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> -Although Apache attempts to increase the limit as required, this -may not work if: -<OL> -<LI>Your system does not provide the setrlimit() system call. -<LI>The setrlimit(RLIMIT_NOFILE) call does not function on your system - (such as Solaris 2.3) -<LI>The number of file descriptors required exceeds the hard limit. -<LI>Your system imposes other limits on file descriptors, such as a limit -on stdio streams only using file descriptors below 256. (Solaris 2) -</OL> - -In the event of problems you can: -<UL> -<LI>Reduce the number of log files; don't specify log files in the VirtualHost -sections, but only log to the main log files. -<LI>If you system falls into 1 or 2 (above), then increase the file descriptor -limit before starting Apache, using a script like -<BLOCKQUOTE><CODE> -#!/bin/sh <BR> -ulimit -S -n 100 <BR> -exec httpd</CODE></BLOCKQUOTE> -</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> - -<!--#include virtual="footer.html" --> -</BODY></HTML> +<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" + "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> + +<html xmlns="http://www.w3.org/1999/xhtml"> + <head> + <meta name="generator" content="HTML Tidy, see www.w3.org" /> + + <title>Apache Server Virtual Host Support</title> + </head> + <!-- Background white, links blue (unvisited), navy (visited), red (active) --> + + <body bgcolor="#FFFFFF" text="#000000" link="#0000FF" + vlink="#000080" alink="#FF0000"> + <!--#include virtual="header.html" --> + + <h1 align="CENTER">File Descriptor Limits</h1> + + <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 setrlimit() system + call.</li> + + <li>The setrlimit(RLIMIT_NOFILE) 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> + In the event of problems you can: + + <ul> + <li>Reduce the number of log files; don't specify log files + in the VirtualHost sections, but only log to the main log + files.</li> + + <li> + If you system falls into 1 or 2 (above), then increase the + file descriptor limit before starting Apache, using a + script like + + <blockquote> + <code>#!/bin/sh<br /> + ulimit -S -n 100<br /> + exec httpd</code> + </blockquote> + </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> + <!--#include virtual="footer.html" --> + </body> +</html> |