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@xxxxxxxxxx Phone: (650) 506-8127 -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
