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Re: definitions for /proc/fs/xfs/stat

To: Mark Seger <mjseger@xxxxxxxxx>
Subject: Re: definitions for /proc/fs/xfs/stat
From: Dave Chinner <david@xxxxxxxxxxxxx>
Date: Sat, 15 Jun 2013 12:04:14 +1000
Cc: Nathan Scott <nathans@xxxxxxxxxx>, xfs@xxxxxxxxxxx
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On Fri, Jun 14, 2013 at 09:55:17PM -0400, Mark Seger wrote:
> I'm doing 1 second samples and the rates are very steady.  The reason I
> ended up at this level of testing was I had done a sustained test for 2
> minutes at about 5MB/sec and was seeing over 500MB/sec going to the disk,
> again sampling at 1-second intervals.  I'd be happy to provide detailed
> output and can even sample more frequently if you like.

Where are you getting your IO throughput numbers from?

How do they compare to, say, the output of `iostat -d -x -m 1`?

Cheers,

Dave.
-- 
Dave Chinner
david@xxxxxxxxxxxxx

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