I added "Mount the partition you are logging to using noatime" as a "tip" on http://ceph.newdream.net/wiki/Cluster_configuration cheers, Colin On Mon, Apr 18, 2011 at 11:17 AM, Zenon Panoussis <oracle@xxxxxxxxxxxxxxx> wrote: > > > On 04/18/2011 07:16 PM, Colin McCabe wrote: > >> If you'd like to measure performance without logging, first set all >> the debug levels to 0. You should be able to do this, at least in >> head-of-line, with this: > >> Then disable all the log sinks with this: > > Thanks, that's the part I was missing. > > In the meanwhile I found a major bottleneck in my cluster, namely the fact > that I had mounted the ext4 partitions that hold the stores with atime > enabled. I should have thought of it earlier... > > Z > > > -- > To unsubscribe from this list: send the line "unsubscribe ceph-devel" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
