Messages in this thread |  | | | Date | Tue, 22 Jun 2010 15:13:07 -0700 | | From | Joel Becker <> | | Subject | Re: [PATCH 0/3 v5][RFC] ext3/4: enhance fsync performance when using CFQ |
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On Tue, Jun 22, 2010 at 05:34:59PM -0400, Jeff Moyer wrote: > Running iozone with the fsync flag, or fs_mark, the performance of CFQ is > far worse than that of deadline for enterprise class storage when dealing > with file sizes of 8MB or less. I used the following command line as a > representative test case: > > fs_mark -S 1 -D 10000 -N 100000 -d /mnt/test/fs_mark -s 65536 -t 1 -w 4096 -F
I'd be interested in how ocfs2 does, because we use jbd2 too.
Joel
--
Life's Little Instruction Book #139
"Never deprive someone of hope; it might be all they have."
Joel Becker Principal Software Developer Oracle E-mail: joel.becker@oracle.com Phone: (650) 506-8127
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