On Fri, 2008-08-15 at 09:45 -0400, Theodore Tso wrote: > On Fri, Aug 15, 2008 at 08:46:01AM -0400, Chris Mason wrote: > > Whoops the link above is wrong, try: > > > > http://oss.oracle.com/~mason/compilebench > > Thanks, I figured it out. > > > It is worth noting that the end throughput doesn't matter quite as much > > as the writeback pattern. Ext4 is pretty solid on this test, with very > > consistent results. > > There were two reasons why I wanted to play with compilebench. The > first is we have a fragmentation problem with delayed allocation and > small files getting forced out due to memory pressure, that we've been > working for the past week. Have you tried this one: http://article.gmane.org/gmane.linux.file-systems/25560 This bug should cause fragmentation on small files getting forced out due to memory pressure in ext4. But, I wasn't able to really demonstrate it with ext4 on my machine. -chris -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
