09-08-2008
Thanks for your quick response.
I want the original file name and the key used for encryption. The file name and the key can be anything and it needs to be picked from the file specified for e.g. if the file name is
testfile1.dat.gpg_1EB85FB3
Then the original file name is testfile1.dat and the key is 1EB85FB3 . Is there a way I can distinguish it as two fields by taking .gpg_ as the fiels separator?
Thanks.
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LEARN ABOUT CENTOS
ping_pong
PING_PONG(1) CTDB - clustered TDB database PING_PONG(1)
NAME
ping_pong - measures the ping-pong byte range lock latency
SYNOPSIS
ping_pong {-r | -w | -rw} [-m] [-c] {FILENAME} {NUM-LOCKS}
DESCRIPTION
ping_pong measures the 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 manager's performance under stress.
FILENAME is a file on shared storage to use for byte range locking tests.
NUM-LOCKS is the number of byte range locks, so needs to be (strictly) greater than the number of nodes in the cluster.
OPTIONS
-r
test read performance
-w
test write performance
-m
use mmap
-c
validate the locks
EXAMPLES
Testing lock coherence
ping_pong test.dat N
Testing lock coherence with lock validation
ping_pong -c test.dat N
Testing IO coherence
ping_pong -rw test.dat N
SEE ALSO
ctdb(7), https://wiki.samba.org/index.php/Ping_pong
AUTHOR
This documentation was written by Mathieu Parent
COPYRIGHT
Copyright (C) 2002 Andrew Tridgell
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.
ctdb 11/27/2013 PING_PONG(1)