.. Copyright (c) 2010-2016 Varnish Software AS SPDX-License-Identifier: BSD-2-Clause See LICENSE file for full text of license

.. role:: ref(emphasis)

.. _varnishhist(1):

=========== varnishhist

---

Varnish request histogram

:Manual section: 1

SYNOPSIS

.. include:: ../include/varnishhist_synopsis.rst varnishhist |synopsis|

DESCRIPTION

The varnishhist utility reads varnishd(1) shared memory logs and presents a continuously updated histogram showing the distribution of the last N requests by their processing. The value of N and the vertical scale are displayed 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:

.. include:: ../include/varnishhist_options.rst

SEE ALSO

• :ref:varnishd(1)
• :ref:varnishlog(1)
• :ref:varnishncsa(1)
• :ref:varnishstat(1)
• :ref:varnishtop(1)
• :ref:vsl(7)

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 Smørgrav.

COPYRIGHT

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

• Copyright (c) 2006 Verdens Gang AS
• Copyright (c) 2006-2015 Varnish Software AS