* Re: Fwd: Re: RAID performance is not too well....
[not found] <20070709113916.GA9781@bitwizard.nl>
@ 2007-07-09 15:30 ` Al Boldi
0 siblings, 0 replies; only message in thread
From: Al Boldi @ 2007-07-09 15:30 UTC (permalink / raw)
To: Rogier Wolff; +Cc: linux-kernel, linux-raid
Rogier Wolff wrote:
> > >I have an application that creates some 228 thousand files,
> > >spread over about 4000 directories. Total is not more than
> > >1.3Gb. (I'm not sure, and I don't care if it's 10% or 90% of
> > >that number)
> > >
> > >Anyway, I've loaded all of the 1.3Gb into the cache (the machine
> > >has 8Gb of RAM), so that only writes need to take place.
> > >
> > >After a while the machine goes into a routine of writing
> > >about 500 to 1000kbytes per second.
> > >
> > >Sync seems to take a long time:
The as-iosched has a sync bug, and if you are using that, then try deadline
instead.
Thanks!
--
Al
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2007-07-09 15:30 ` Fwd: Re: RAID performance is not too well Al Boldi
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