Attachment 6347 Details for Bug 8041 – DocBook manpage

DocBook manpage

ping_pong.1.xml (text/xml), 2.78 KB, created by Mathieu Parent on 2011-03-26 10:43:37 UTC

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Creator: Mathieu Parent

Created: 2011-03-26 10:43:37 UTC

Size: 2.78 KB

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><?xml version="1.0" encoding="iso-8859-1"?>
><!DOCTYPE refentry PUBLIC "-//Samba-Team//DTD DocBook V4.2-Based Variant V1.0//EN" "http://www.samba.org/samba/DTD/samba-doc">
><refentry id="ping_pong.1">
>
><refmeta>
>	<refentrytitle>ping_pong</refentrytitle>
>	<manvolnum>1</manvolnum>
>	<refmiscinfo class="source"> </refmiscinfo>
>	<refmiscinfo class="manual"> </refmiscinfo>
></refmeta>
>
>
><refnamediv>
>	<refname>ping_pong</refname>
>        <refpurpose>measures the ping-pong byte range lock latency</refpurpose>
></refnamediv>
>
><refsynopsisdiv>
>	<cmdsynopsis>
>		<command>ping_pong [options] &lt;file&gt; &lt;num_locks&gt;</command>
>	</cmdsynopsis>
>
>	<cmdsynopsis>
>		<command>ping_pong</command>
>		<arg choice="opt">-r</arg>
>		<arg choice="opt">-w</arg>
>		<arg choice="opt">-m</arg>
>	</cmdsynopsis>
>	
></refsynopsisdiv>
>
>  <refsect1><title>DESCRIPTION</title>
>    <para>
>      This measures the ping-pong byte range lock latency. It is
>      especially useful on a cluster of nodes sharing a common lock
>      manager as it will give some indication of the lock managers
>      performance under stress.
>    </para>
>
>  </refsect1>
>
>  <refsect1><title>OPTIONS</title>
>
>    <variablelist>
>      <varlistentry><term>-r</term>
>        <listitem>
>          <para>
>	    do reads
>	  </para>
>        </listitem>
>      </varlistentry>
>
>      <varlistentry><term>-w</term>
>        <listitem>
>          <para>
>	    do writes
>	  </para>
>        </listitem>
>      </varlistentry>
>
>      <varlistentry><term>-m</term>
>        <listitem>
>          <para>
>	    use mmap
>	  </para>
>        </listitem>
>      </varlistentry>
>    </variablelist>
>  </refsect1>
>
>  <refsect1><title>EXAMPLES</title>
>    <para>
>      Testing lock coherence
>    </para>
>    <screen format="linespecific">
>      ping_pong test.dat N
>    </screen>
>
>    <para>
>      Testing IO coherence
>    </para>
>    <screen format="linespecific">
>      ping_pong -rw test.dat N
>    </screen>
>  </refsect1>
>
>  <refsect1><title>SEE ALSO</title>
>    <para>
>      <ulink url="https://wiki.samba.org/index.php/Ping_pong"/>, ctdb(1), ctdbd(1)
>    </para>
>  </refsect1>
>  <refsect1><title>COPYRIGHT/LICENSE</title>
><literallayout>
>Copyright (C) Andrew Tridgell 2002
>
>This program is free software; you can redistribute it and/or modify
>it under the terms of the GNU General Public License as published by
>the Free Software Foundation; either version 3 of the License, or (at
>your option) any later version.
>
>This program is distributed in the hope that it will be useful, but
>WITHOUT ANY WARRANTY; without even the implied warranty of
>MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
>General Public License for more details.
>
>You should have received a copy of the GNU General Public License
>along with this program; if not, see http://www.gnu.org/licenses/.
></literallayout>
>  </refsect1>
></refentry>

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