From: Jeffrey Hundstad <jeffrey.hundstad@mnsu.edu>
To: xfs@oss.sgi.com
Subject: Re: Poor performance using discard
Date: Mon, 05 Mar 2012 00:41:24 -0600 [thread overview]
Message-ID: <4F546014.3030601@mnsu.edu> (raw)
In-Reply-To: <20120305030254.GA3592@dastard>
On 03/04/2012 09:02 PM, Dave Chinner wrote:
> 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....
And it is already there:
http://xfs.org/index.php/FITRIM/discard
Feel free to expand it.
--
Jeffrey Hundstad
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prev parent reply other threads:[~2012-03-05 6:41 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
2012-03-05 6:41 ` Jeffrey Hundstad [this message]
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