| To: | Christoph Hellwig <hch@xxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: very slow file deletion on an SSD |
| From: | David Brown <david.brown@xxxxxxxxxxxx> |
| Date: | Sat, 26 May 2012 18:00:12 +0200 |
| Cc: | Ben Myers <bpm@xxxxxxx>, Joe Landman <joe.landman@xxxxxxxxx>, linux-raid <linux-raid@xxxxxxxxxxxxxxx>, xfs@xxxxxxxxxxx |
| In-reply-to: | <20120525165938.GA13555@xxxxxxxxxxxxx> |
| References: | <4FBF60D1.80104@xxxxxxxxx> <20120525165719.GV16099@xxxxxxx> <20120525165938.GA13555@xxxxxxxxxxxxx> |
| User-agent: | Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.24) Gecko/20111108 Fedora/3.1.16-1.fc14 Thunderbird/3.1.16 |
On 25/05/12 18:59, Christoph Hellwig wrote: On Fri, May 25, 2012 at 11:57:19AM -0500, Ben Myers wrote:There are a couple recent fixes related to discard that are probably appropriate for 3.2-stable.Discard is not enabled by default. You would not want to enable discard if slow deletes are an issue - benchmarks (on ext4) show that enabling trim makes metadata operations, and delete in particular, much slower. |
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