| To: | Eric Sandeen <sandeen@xxxxxxxxxxx> |
|---|---|
| Subject: | Re: very slow file deletion on an SSD |
| From: | Stefan Ring <stefanrin@xxxxxxxxx> |
| Date: | Sun, 27 May 2012 09:34:46 +0200 |
| Cc: | Joe Landman <joe.landman@xxxxxxxxx>, linux-raid <linux-raid@xxxxxxxxxxxxxxx>, xfs@xxxxxxxxxxx |
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| References: | <4FBF60D1.80104@xxxxxxxxx> <20120526231838.GR25351@dastard> <4FC16683.9060800@xxxxxxxxx> <20120527000701.GS25351@dastard> <4FC18845.6030301@xxxxxxxxx> <4FC19408.5020502@xxxxxxxxxxx> |
>> [root@siFlash test]# xfs_bmap -vp 2.r.96.0 >> xfs_bmap: xfsctl(XFS_IOC_GETBMAPX) iflags=0x4 ["2.r.96.0"]: Cannot allocate >> memory > > Try filefrag -v maybe, if your e2fsprogs is new enough. > > Trying to remember, ENOMEM in bmap rings a bell... but this is possibly > indicative of an extremely fragmented file. True, I've had it happen with extremely fragmented files. I've started playing around with discard myself only recently, but so far I like the approach of using fstrim a lot better than the discard option: http://xfs.org/index.php/FITRIM/discard |
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