3 .\" Author: [FIXME: author] [see http://docbook.sf.net/el/author]
4 .\" Generator: DocBook XSL Stylesheets v1.76.1 <http://docbook.sf.net/>
10 .TH "PING_PONG" "1" "03/26/2011" "" ""
11 .\" -----------------------------------------------------------------
12 .\" * Define some portability stuff
13 .\" -----------------------------------------------------------------
14 .\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
15 .\" http://bugs.debian.org/507673
16 .\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html
17 .\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
20 .\" -----------------------------------------------------------------
21 .\" * set default formatting
22 .\" -----------------------------------------------------------------
23 .\" disable hyphenation
25 .\" disable justification (adjust text to left margin only)
27 .\" -----------------------------------------------------------------
28 .\" * MAIN CONTENT STARTS HERE *
29 .\" -----------------------------------------------------------------
31 ping_pong \- measures the ping\-pong byte range lock latency
33 .HP \w'\fBping_pong\ [options]\ <file>\ <num_locks>\fR\ 'u
34 \fBping_pong [options] <file> <num_locks>\fR
35 .HP \w'\fBping_pong\fR\ 'u
36 \fBping_pong\fR [\-r] [\-w] [\-m]
39 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\&.
58 Testing lock coherence
64 ping_pong test\&.dat N
77 ping_pong \-rw test\&.dat N
86 \m[blue]\fB\%https://wiki.samba.org/index.php/Ping_pong\fR\m[], ctdb(1), ctdbd(1)
87 .SH "COPYRIGHT/LICENSE"
93 Copyright (C) Andrew Tridgell 2002
95 This program is free software; you can redistribute it and/or modify
96 it under the terms of the GNU General Public License as published by
97 the Free Software Foundation; either version 3 of the License, or (at
98 your option) any later version\&.
100 This program is distributed in the hope that it will be useful, but
101 WITHOUT ANY WARRANTY; without even the implied warranty of
102 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE\&. See the GNU
103 General Public License for more details\&.
105 You should have received a copy of the GNU General Public License
106 along with this program; if not, see http://www\&.gnu\&.org/licenses/\&.