From: Bill Davidsen <davidsen@tmr.com>
To: Phy Prabab <phyprabab@yahoo.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: slow down in 2.6 vs 2.4
Date: Wed, 09 Jun 2004 16:15:04 -0400 [thread overview]
Message-ID: <40C76FC8.8030303@tmr.com> (raw)
In-Reply-To: <20040609033513.76754.qmail@web51807.mail.yahoo.com>
Phy Prabab wrote:
> Hello!
>
> Over the last two days I have been struggling with
> understanding why 2.6.x kernel is slower than
> 2.4.21/23 kernels. I think I have a test case which
> demostrates this issue.
Unfortunately this is common. There are a bunch or tunables like
swappiness and readahead you can adjust, but if anyone has a handle on
why it's really so slow they don't seem to have gotten a patch out.
On features 2.6 wins, on performance 2.4 seems faster in many cases.
--
-bill davidsen (davidsen@tmr.com)
"The secret to procrastination is to put things off until the
last possible moment - but no longer" -me
next prev parent reply other threads:[~2004-06-09 20:14 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-06-09 3:35 slow down in 2.6 vs 2.4 Phy Prabab
2004-06-09 19:16 ` Clint Byrum
2004-06-09 20:15 ` Bill Davidsen [this message]
-- strict thread matches above, loose matches on Subject: below --
2004-06-09 1:35 Con Kolivas
2004-06-09 4:10 ` Phy Prabab
2004-06-09 19:34 ` Paul Dickson
2004-06-09 4:41 ` Peter Williams
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