On May 16 2007 10:42, Chris Mason wrote: > >For example, I'll pick on xfs for a minute. compilebench shows the >default FS you get from mkfs.xfs is pretty slow for untarring a bunch of >kernel trees.
I suppose you used 'nobarrier'? [ http://lkml.org/lkml/2006/5/19/33 ] >Dave Chinner gave me some mount options that make it >dramatically better, and `mkfs.xfs -l version=2` is also said to make it better >but it still writes at 10MB/s on a sata drive that >can do 80MB/s. Ext3 is better, but still only 20MB/s. > >Both are presumably picking a reasonable file and directory layout. >Still, our writeback algorithms are clearly not optimized for this kind >of workload. Should we fix it? Also try with tmpfs. Jan -- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
