On Thu, 9 Aug 2007 14:53:55 -0600 Andreas Dilger <adilger@xxxxxxxxxxxxx> wrote: > I saw on #linuxfs today some graphs and movies by Chris Mason showing > the poor IO locality for ext3 compared to btrfs and XFS. It would be > interesting to run this with ext4+mballoc+delalloc, and a separate > one with the FLEXBG feature enabled to see how that improves the > seeking/locality. > > http://oss.oracle.com/~mason/seekwatcher/ > > Cheers, Andreas > -- > Andreas Dilger > Principal Software Engineer > Cluster File Systems, Inc. > I was planing to use seekwatcher to look at fsck activity when using FLEX_BG since I'm already seeing noticeable improvements by using this feature alone. We can try other workloads and see how ext4 compares. -JRS - 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