From: Russell Coker <russell@coker.com.au>
To: ReiserFS <reiserfs-list@namesys.com>
Subject: performance improvements
Date: Mon, 23 Dec 2002 16:32:26 +0100 [thread overview]
Message-ID: <200212231632.26686.russell@coker.com.au> (raw)
One thing that could really improve system performance would be something like
"nice" but for disk IO.
If you have a server that's using 90% of it's disk bandwidth with a large
number of clients (EG a big mail server) then a simple "find /" is usually
enough to give it a load average of 50+ and a delay of 1 second for every
disk request (which makes operations such as POP mail checks excessively
slow).
--
http://www.coker.com.au/selinux/ My NSA Security Enhanced Linux packages
http://www.coker.com.au/bonnie++/ Bonnie++ hard drive benchmark
http://www.coker.com.au/postal/ Postal SMTP/POP benchmark
http://www.coker.com.au/~russell/ My home page
next reply other threads:[~2002-12-23 15:32 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-12-23 15:32 Russell Coker [this message]
2002-12-23 15:59 ` performance improvements Ragnar Kjørstad
2002-12-23 16:05 ` Hendrik Visage
2002-12-23 21:20 ` Dieter Nützel
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