Hi Loic, It was set to default (i.e. == 10 for v0.80.5 as well, IIRC) - we didn't think that it'd help the "long tail" problem to tweak it. On 12/12/2014 04:45 PM, Loic Dachary wrote: > In the context of http://tracker.ceph.com/issues/9566 do you remember what the value of max_backfills was ? https://github.com/ceph/ceph/blob/giant/src/common/config_opts.h#L409 It probably makes a difference if it is set to 1 instead of the default. -- 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