> Op 5 mei 2017 om 10:33 schreef Sam Wouters <sam@xxxxxxxxx>: > > > Hi, > > we have a small cluster running on jewel 10.2.7; NL-SAS disks only, osd > data and journal co located on the disks; main purpose rgw secondary zone. > > Since the upgrade to jewel, whenever a deep scrub starts on one of the > rgw index pool pg's, slow requests start piling up and rgw requests are > blocked after some hours. > The deep-scrub doesn't seem to finish (still running after +11 hours) > and only escape I found so far is a restart of the primary osd holding > the pg. > > Maybe important to know, we have some large rgw buckets regarding > #objects (+ 3 million) with only index sharding of 8. > > scrub related settings: > osd scrub sleep = 0.1 Try removing this line, it can block threads under Jewel. See how that works out. Wido > osd scrub during recovery = False > osd scrub priority = 1 > osd deep scrub stride = 1048576 > osd scrub chunk min = 1 > osd scrub chunk max = 1 > > Any help on debugging / resolving would be very much appreciated... > > regards, > Sam > > _______________________________________________ > ceph-users mailing list > ceph-users@xxxxxxxxxxxxxx > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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