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From: "Benjamin S." <sbenni@gmx.de>
To: Robert Hancock <hancockrwd@gmail.com>
Cc: Jeff Garzik <jgarzik@pobox.com>, linux-ide@vger.kernel.org
Subject: Re: bad performance with SSD since kernel version 2.6.32
Date: Sun, 21 Feb 2010 02:26:13 +0100	[thread overview]
Message-ID: <20100221022613.1096fd12@uranus> (raw)
In-Reply-To: <4B802B54.1080009@gmail.com>


> > Does somebody have an idea what I can test before I have to bisect
> > it?
> 
> Could be some kind of block layer or IO scheduler behavior change.. you 
> could try testing after doing:
> 
> echo noop > /sys/block/sda/queue/scheduler
> 
> or
> 
> echo deadline > /sys/block/sda/queue/scheduler

Thanks for your reply. I have already tested both schedulers. 
Unfortunately it does not make any difference which of them is
used.

  reply	other threads:[~2010-02-21  1:26 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-02-20 13:28 bad performance with SSD since kernel version 2.6.32 Benjamin S.
2010-02-20 18:35 ` Robert Hancock
2010-02-21  1:26   ` Benjamin S. [this message]
     [not found]     ` <51f3faa71002210922i542c37f0j9e0e4a84d0977f90@mail.gmail.com>
     [not found]       ` <20100221225544.5a9ded51@pluto-lenny.milky.way>
     [not found]         ` <51f3faa71002211400u2177660ei1c0dc3d9306b146e@mail.gmail.com>
2010-02-22 13:18           ` Benjamin S.
2010-02-22 14:41             ` Robert Hancock
2010-02-22 19:05             ` Jens Axboe
2010-02-22 20:25               ` Benjamin S.
2010-02-23  6:22                 ` Jens Axboe
2010-02-22 21:49               ` Mark Lord
2010-02-22 23:22                 ` Robert Hancock
2010-02-23  6:21                   ` Jens Axboe
2010-02-24 15:09                     ` Mark Lord
2010-02-24 15:34                       ` Jens Axboe
2010-02-24 15:48                         ` Mark Lord
2010-02-24 19:05                           ` Jens Axboe

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