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From: Stan Hoeppner <stan@hardwarefreak.com>
To: Hans-Peter Jansen <hpj@urpla.net>
Cc: Peter Landmann <sfrazt@googlemail.com>, linux-raid@vger.kernel.org
Subject: Re: Solving the raid write performance problems
Date: Tue, 02 Apr 2013 11:10:41 -0500	[thread overview]
Message-ID: <515B0301.7030002@hardwarefreak.com> (raw)
In-Reply-To: <2420596.ZXG94NVieB@xrated>

On 4/2/2013 8:29 AM, Hans-Peter Jansen wrote:

> Next, check, if you can address Stan Hoeppner's remarks from that thread.
> 
> Compare test runs with variation in # of cores and numa affinity, nothing 
> else. Be careful about the SSD state regarding wear leveling. Provide 
> performance comparison charts.

NUMA affinity is only applicable for multi-socket systems, or single
socket systems using a dual die MCM CPU, such as the AMD Magny Cours and
Interlagos.  Thus any work on NUMA optimization requires such a system,
or possibly a simulator.

-- 
Stan


  reply	other threads:[~2013-04-02 16:10 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-04-02 11:36 Solving the raid write performance problems Peter Landmann
2013-04-02 13:29 ` Hans-Peter Jansen
2013-04-02 16:10   ` Stan Hoeppner [this message]
2013-04-02 14:14 ` keld
2013-04-02 16:33 ` Piergiorgio Sartor

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