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Old 09-25-2008
Varnish 2.0 beta 2 (Default branch)
Varnish is a high-performance HTTP accelerator designed for sites with large amounts of non-personalized dynamic content, such as online newspapers. License: BSD License (revised) Changes:
This release has loads of new features, including load balancing (random and round-robin), even better performance, ESI support, more complete VCL, serving of objects past their expiration date, multiple backends, rewriting of URLs, PURGE over HTTP support, better handling of large numbers of viewers, improved documentation, a regression test framework, and much more. Image

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LEARN ABOUT DEBIAN

varnishhist

VARNISHHIST(1)															    VARNISHHIST(1)

NAME

       varnishhist - Varnish request histogram

SYNOPSIS

       varnishhist [-b] [-C] [-c] [-d] [-I regex] [-i tag] [-m tag:regex ...]  [-n varnish_name] [-r file] [-V] [-w delay] [-X regex] [-x tag]

DESCRIPTION

       The  varnishhist  utility  reads varnishd(1) shared memory logs and presents a continuously updated histogram show- ing the distribution of
       the last N requests by their processing.  The value of N and the vertical scale are dis- played in the top  left  corner.   The	horizontal
       scale is logarithmic.  Hits are marked with a pipe character ("|"), and misses are marked with a hash character ("#").

       The following options are available:

       -b     Include  log  entries which result from communication with a backend server.  If neither -b nor -c is specified, varnishhist acts as
	      if they both were.

       -C     Ignore case when matching regular expressions.

       -c     Include log entries which result from communication with a client.  If neither -b nor -c is specified, varnishhist acts as  if  they
	      both were.

       -d     Process old log entries on startup.  Normally, varnishhist will only process entries which are written to the log after it starts.

       -I regex
	      Include log entries which match the specified regular expression.  If neither -I nor -i is specified, all log entries are included.

       -i tag Include log entries with the specified tag.  If neither -I nor -i is specified, all log entries are included.

       -m tag:regex only count transactions where tag matches regex. Multiple

	      -m options are AND-ed together.

       -n     Specifies the name of the varnishd instance to get logs from.  If -n is not specified, the host name is used.

       -r file
	      Read log entries from file instead of shared memory.

       -V     Display the version number and exit.

       -w delay
	      Wait  at least delay seconds between each update.  The default is 1.  file instead of displaying them.  The file will be overwritten
	      unless the -a option was specified.

       -X regex
	      Exclude log entries which match the specified regular expression.

       -x tag Exclude log entries with the specified tag.

SEE ALSO

       o varnishd(1)

       o varnishlog(1)

       o varnishncsa(1)

       o varnishstat(1)

       o varnishtop(1)

HISTORY

       The varnishhist utility was developed by Poul-Henning Kamp in cooperation with Verdens Gang AS and Varnish Software AS.	This  manual  page
       was written by Dag-Erling Smorgrav.

COPYRIGHT

       This document is licensed under the same licence as Varnish itself. See LICENCE for details.

       o Copyright (c) 2006 Verdens Gang AS

       o Copyright (c) 2006-2011 Varnish Software AS

AUTHOR

       Dag-Erling Smorgrav

1.0								    2010-05-31							    VARNISHHIST(1)