From: Robert Love <rml@tech9.net>
To: Con Kolivas <conman@kolivas.net>
Cc: David Lang <david.lang@digitalinsight.com>,
linux kernel mailing list <linux-kernel@vger.kernel.org>
Subject: Re: [BENCHMARK] scheduler tunables with contest - starvation_limit
Date: 22 Dec 2002 21:52:35 -0500 [thread overview]
Message-ID: <1040611954.2129.67.camel@icbm> (raw)
In-Reply-To: <200212231241.01049.conman@kolivas.net>
On Sun, 2002-12-22 at 20:40, Con Kolivas wrote:
> The current osdl hardware uses ext3 in the default journalling mode. Trying
> different filesystems is something I have had planned for a while. When I get
> the hardware sorted out as I need it to do this I will post some results
> where comparisons can be made.
One thing I have found in doing low-latency research is the impact of
ext3 over ext2. There is a periodic blip of high latency with ext3 not
seen in ext2. Presumably due to the journal writeback of ext3.
It was not huge but a measurable increase. This was on 2.4, so I am
curious how improved it is on 2.5.
Robert Love
next prev parent reply other threads:[~2002-12-23 2:42 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-12-19 23:48 [BENCHMARK] scheduler tunables with contest - starvation_limit Con Kolivas
2002-12-23 1:06 ` Robert Love
2002-12-23 1:05 ` David Lang
2002-12-23 1:40 ` Con Kolivas
2002-12-23 2:52 ` Robert Love [this message]
2002-12-23 1:38 ` Con Kolivas
2002-12-23 1:48 ` Con Kolivas
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