From f88b50dec40878abeccce0e1b9cfc6780a4b1465 Mon Sep 17 00:00:00 2001 From: Rich Bowen Date: Sat, 22 Sep 2001 19:39:26 +0000 Subject: w3c tidy to convert to xhtml git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@91116 13f79535-47bb-0310-9956-ffa450edef68 --- docs/manual/vhosts/fd-limits.html.en | 130 +++++++++++++++++++---------------- 1 file changed, 72 insertions(+), 58 deletions(-) (limited to 'docs/manual/vhosts/fd-limits.html.en') 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 @@ - - - -Apache Server Virtual Host Support - - - - - -

File Descriptor Limits

- -

-When using a large number of Virtual Hosts, Apache may run out of available -file descriptors (sometimes called file handles 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. -

-Although Apache attempts to increase the limit as required, this -may not work if: -

Your system does not provide the setrlimit() system call. -
The setrlimit(RLIMIT_NOFILE) call does not function on your system - (such as Solaris 2.3) -
The number of file descriptors required exceeds the hard limit. -
Your system imposes other limits on file descriptors, such as a limit -on stdio streams only using file descriptors below 256. (Solaris 2) -

- -In the event of problems you can: -

Reduce the number of log files; don't specify log files in the VirtualHost -sections, but only log to the main log files. -
If you system falls into 1 or 2 (above), then increase the file descriptor -limit before starting Apache, using a script like -
-#!/bin/sh -ulimit -S -n 100 -exec httpd
-

-Please see the -Descriptors and Apache -document containing further details about file descriptor problems and how -they can be solved on your operating system. -

- - - + + + + + + + Apache Server Virtual Host Support + + + + + + +

File Descriptor Limits

+ +

When using a large number of Virtual Hosts, Apache may run + out of available file descriptors (sometimes called file + handles 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.

+ +

Although Apache attempts to increase the limit as required, + this may not work if:

+ +

Your system does not provide the setrlimit() system + call.
The setrlimit(RLIMIT_NOFILE) call does not function on + your system (such as Solaris 2.3)
The number of file descriptors required exceeds the hard + limit.
Your system imposes other limits on file descriptors, + such as a limit on stdio streams only using file descriptors + below 256. (Solaris 2)

+ In the event of problems you can: + +

Reduce the number of log files; don't specify log files + in the VirtualHost sections, but only log to the main log + files.
+ If you system falls into 1 or 2 (above), then increase the + file descriptor limit before starting Apache, using a + script like + +
+ #!/bin/sh + ulimit -S -n 100 + exec httpd +
+

+ +

Please see the Descriptors and Apache + document containing further details about file descriptor + problems and how they can be solved on your operating + system.

+ + + -- cgit v1.2.3