Created #5844. On Thu, Aug 1, 2013 at 10:38 PM, Samuel Just <sam.just@xxxxxxxxxxx> wrote: > Is there a bug open for this? I suspect we don't sufficiently > throttle the snapshot removal work. > -Sam > > On Thu, Aug 1, 2013 at 7:50 AM, Andrey Korolyov <andrey@xxxxxxx> wrote: >> Second this. Also for long-lasting snapshot problem and related >> performance issues I may say that cuttlefish improved things greatly, >> but creation/deletion of large snapshot (hundreds of gigabytes of >> commited data) still can bring down cluster for a minutes, despite >> usage of every possible optimization. >> >> On Thu, Aug 1, 2013 at 12:22 PM, Stefan Priebe - Profihost AG >> <s.priebe@xxxxxxxxxxxx> wrote: >>> Hi, >>> >>> i still have recovery issues with cuttlefish. After the OSD comes back >>> it seem to hang for around 2-4 minutes and then recovery seems to start >>> (pgs in recovery_wait start to decrement). This is with ceph 0.61.7. I >>> get a lot of slow request messages an hanging VMs. >>> >>> What i noticed today is that if i leave the OSD off as long as ceph >>> starts to backfill - the recovery and "re" backfilling wents absolutely >>> smooth without any issues and no slow request messages at all. >>> >>> Does anybody have an idea why? >>> >>> Greets, >>> Stefan >>> -- >>> 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 -- 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
