>>> Dan van der Ster <dan@xxxxxxxxxxxxxx> schrieb am Mittwoch, 23. September 2015 um 14:04: > On Wed, Sep 23, 2015 at 1:44 PM, Steffen Weißgerber > <WeissgerberS@xxxxxxx> wrote: >> "... osd recovery op priority: This is >> the priority set for recovery operation. Lower the number, higher the > recovery priority. >> Higher recovery priority might cause performance degradation until recovery > completes. " >> >> So when setting the value for recovery_op_priority higher then the value for >> client_op_priority the client requests should have higher priority than > recovery requests. > > I don't think so. The op priorities are implemented as a weighted > priority queue -- priority is the weight given to those ops. bigger > value here means more relative priority. > > Cheers, Dan Yes, normally I would think so too and was thinking when reading the chapter in the book for the first time. Nevertheless my experience is now different and I'm happy to have configuration whithout the fear to loose client performance when the cluster recovers. Can anybody check this in a test environment? Regards Steffen -- Klinik-Service Neubrandenburg GmbH Allendestr. 30, 17036 Neubrandenburg Amtsgericht Neubrandenburg, HRB 2457 Geschaeftsfuehrerin: Gudrun Kappich _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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