Messages in this thread | ![/](/images/icornerl.gif) | | Date | Thu, 15 Apr 2010 16:03:49 +0200 | From | Jens Axboe <> | Subject | Re: [PATCH 0/4 v3] ext3/4: enhance fsync performance when using CFQ |
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On Thu, Apr 15 2010, Jeff Moyer wrote: > Jens Axboe <jens.axboe@oracle.com> writes: > > >> > This is starting to look better. Can you share what tests you did? I > >> > tried reproducing with fs_mark last time and could not. > >> > >> Did you use the fs_mark command line I (think I) had posted? What > >> storage were you using? > > > > No, I didn't see any references to example command lines. I tested on a > > few single disks, rotating and SSD. I expected the single spinning disk > > to show the problem to some extent at least, but there was no difference > > observed with 64kb blocks. > > Boy, I'm really slipping. Try this one: > > ./fs_mark -S 1 -D 100 -N 1000 -d /mnt/test/fs_mark -s 65536 -t 1 -w 4096
Thanks Jeff, I'll give it a spin :-)
-- Jens Axboe
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