On Fri, Jan 21, 2011 at 02:28:29PM +0000, Jon Leighton wrote: > Hi there, > > On Fri, 2011-01-21 at 09:03 -0500, Josef Bacik wrote: > > Heh so now that I've had a moment to wake up, how about running your test on > > ext3, but mount the partition with > > > > mount -o barrier > > > > and see if it's still faster than ext4. Thanks, > > You're right, that slows it down significantly on the ext3 partition. Is > this expected behaviour with ext4 then? > Yup, whatever you are doing in your webapp is making your database do lots of fsyncs, which is going to suck. If you are on a battery backed system or just don't care if you lose your database and rather it be faster you can mount your ext4 fs with -o nobarrier. Thanks, Josef -- 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