From: Dave Chinner <david@fromorbit.com>
To: Thomas Lynema <lyz27@yahoo.com>
Cc: xfs@oss.sgi.com
Subject: Re: Poor performance using discard
Date: Mon, 5 Mar 2012 14:02:54 +1100 [thread overview]
Message-ID: <20120305030254.GA3592@dastard> (raw)
In-Reply-To: <1330702910.6438.40.camel@core24>
On Fri, Mar 02, 2012 at 10:41:50AM -0500, Thomas Lynema wrote:
> Peter was right then. Per multiple recommendations
> I'm switching to fstrim, it is quicker than the deletes.
>
> fstrim consistently takes about a minute to run on a 40GB
> volume.
>
> time fstrim -v /usr
> /usr: 9047117824 bytes were trimmed
>
> real 0m56.121s
> user 0m0.090s
> sys 0m0.000s
>
> I see that the running of fstrim was already discussed
> http://oss.sgi.com/archives/xfs/2011-05/msg00338.html.
>
> Please add something to the FAQ about using SSDs. It would be great if
> people could see the recommended mount options and fstrim crontab entry
> (or other option) for running xfs on a SSD.
It's a publicly modifiable wiki. Feel free to add what you've
learned here to a new FAQ entry - others will come by and correct
anything in it that is inaccurate....
Cheers,
Dave.
--
Dave Chinner
david@fromorbit.com
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next prev parent reply other threads:[~2012-03-05 3:03 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-02-28 22:56 Poor performance using discard Thomas Lynema
2012-02-28 23:58 ` Peter Grandi
2012-02-29 1:22 ` Dave Chinner
2012-02-29 2:00 ` Thomas Lynema
2012-02-29 4:08 ` Dave Chinner
2012-02-29 10:38 ` Peter Grandi
2012-02-29 19:46 ` Eric Sandeen
2012-03-01 5:59 ` Christoph Hellwig
2012-03-01 6:27 ` Dave Chinner
2012-03-01 6:31 ` Christoph Hellwig
[not found] ` <1330658311.6438.24.camel@core24>
2012-03-02 14:57 ` Thomas Lynema
2012-03-02 15:41 ` Thomas Lynema
2012-03-05 3:02 ` Dave Chinner [this message]
2012-03-05 6:41 ` Jeffrey Hundstad
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