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. - To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
