From fe39ffb8b90ae4e002ed73fe98617cd590abb467 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 27 Apr 2024 08:33:50 +0200 Subject: Adding upstream version 2.4.56. Signed-off-by: Daniel Baumann --- docs/manual/mod/mod_buffer.html.en | 128 +++++++++++++++++++++++++++++++++++++ 1 file changed, 128 insertions(+) create mode 100644 docs/manual/mod/mod_buffer.html.en (limited to 'docs/manual/mod/mod_buffer.html.en') diff --git a/docs/manual/mod/mod_buffer.html.en b/docs/manual/mod/mod_buffer.html.en new file mode 100644 index 0000000..32cb0eb --- /dev/null +++ b/docs/manual/mod/mod_buffer.html.en @@ -0,0 +1,128 @@ + + + + + +mod_buffer - Apache HTTP Server Version 2.4 + + + + + + + +
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Apache HTTP Server Version 2.4

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Apache Module mod_buffer

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Available Languages:  en  | + fr 

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Description:Support for request buffering
Status:Extension
Module Identifier:buffer_module
Source File:mod_buffer.c
Compatibility:Available in Apache 2.3 and later
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Summary

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This module provides the ability to buffer the input and output + filter stacks.

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Under certain circumstances, content generators might create + content in small chunks. In order to promote memory reuse, in + memory chunks are always 8k in size, regardless of the size of the + chunk itself. When many small chunks are generated by a request, + this can create a large memory footprint while the request is + being processed, and an unnecessarily large amount of data on the + wire. The addition of a buffer collapses the response into the + fewest chunks possible.

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When httpd is used in front of an expensive content generator, + buffering the response may allow the backend to complete + processing and release resources sooner, depending on how the + backend is designed.

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The buffer filter may be added to either the input or the + output filter stacks, as appropriate, using the + SetInputFilter, + SetOutputFilter, + AddOutputFilter or + AddOutputFilterByType directives.

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Using buffer with mod_include

AddOutputFilterByType INCLUDES;BUFFER text/html
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The buffer filters read the request/response into + RAM and then repack the request/response into the fewest memory + buckets possible, at the cost of CPU time. When the request/response + is already efficiently packed, buffering the request/response could + cause the request/response to be slower than not using a buffer at + all. These filters should be used with care, and only where + necessary.
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Directives

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Bugfix checklist

See also

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BufferSize Directive

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Description:Maximum size in bytes to buffer by the buffer filter
Syntax:BufferSize integer
Default:BufferSize 131072
Context:server config, virtual host, directory, .htaccess
Status:Extension
Module:mod_buffer
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The BufferSize + directive specifies the amount of data in bytes that will be + buffered before being read from or written to each request. + The default is 128 kilobytes.

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Available Languages:  en  | + fr 

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Comments

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