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From: Stan Hoeppner <stan@hardwarefreak.com>
To: Linda Walsh <xfs@tlinx.org>
Cc: xfs-oss <xfs@oss.sgi.com>
Subject: Re: does having ~Ncore+1? kworkers flushing XFS to 1 disk improve throughput?
Date: Fri, 23 Aug 2013 23:07:48 -0500	[thread overview]
Message-ID: <52183194.2060008@hardwarefreak.com> (raw)
In-Reply-To: <52181B69.6060707@tlinx.org>

On 8/23/2013 9:33 PM, Linda Walsh wrote:

> So what are all the kworkers doing and does having 6 of them
> do things at the same time really help disk-throughput?
> 
> Seems like they would conflict w/each other, cause
> disk contention, and extra fragmentation as they
> do things?  If they were all writing to separate
> disks, that would make sense, but do that many kworker
> threads need to be finishing out disk I/O on 1 disk?

https://raw.github.com/torvalds/linux/master/Documentation/workqueue.txt

-- 
Stan


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  reply	other threads:[~2013-08-24  4:07 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-08-24  2:33 does having ~Ncore+1? kworkers flushing XFS to 1 disk improve throughput? Linda Walsh
2013-08-24  4:07 ` Stan Hoeppner [this message]
2013-08-24 17:18   ` Linda Walsh
2013-08-24 19:09     ` Stan Hoeppner
2013-08-24 23:22       ` Linda Walsh

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