Re: I/O and pdflush

From: Wu Fengguang
Date: Mon Aug 31 2009 - 10:07:29 EST


On Mon, Aug 31, 2009 at 10:01:13PM +0800, Wu Fengguang wrote:
> On Mon, Aug 31, 2009 at 10:00:06PM +0800, Wu Fengguang wrote:
> > Hi Fernando,
> >
> > What's your SSD's IO parameters? Ie. output of this command:
> >
> > grep -r . /sys/block/sda/queue/
> >
> > Please replace 'sda' with your SSD device name.
>
> Oh I guess it's sdc:
>
> grep -r . /sys/block/sdc/queue/

BTW, would you run "iostat -x 1 5" (which will run 5 seconds) when
doing I/O in ideal throughput, and when in 25MB/s thoughput state?

Thanks,
Fengguang
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