That message has been there since 2014. We should lower the log level though. Yehuda On Mon, Aug 20, 2018 at 6:08 AM, David Turner <drakonstein@xxxxxxxxx> wrote: > In luminous they consolidated a lot of the rgw metadata pools by using > namespace inside of the pools. I would say that the GC pool was consolidated > into the log pool based on the correlation you've found with the primary > osds. At least that mystery is solved as to why those 8 osds. I don't know > why there logs are being spammed with GC messages though. Hopefully someone > else can shed a light on that. I cc'd Yehuda on this, the primary RGW dev. > > > On Mon, Aug 20, 2018, 7:09 AM Jakub Jaszewski <jaszewski.jakub@xxxxxxxxx> > wrote: >> >> Hi David, >> >> Right, we use this cluster (v12.2.5, fresh installation) for RGW, however, >> I don't see default.rgw.gc pool like we have on other cluster which was >> upgraded to Luminous, 10.2.9 -> 10.2.10 -> 12.2.2 (I believe that >> default.rgw.gc pool is there from the time of setting up RGW on Jewel >> version and the pool was automatically created). >> >> On impacted cluster we have below pools >> pool 1 '.rgw.root' replicated size 3 min_size 2 crush_rule 2 object_hash >> rjenkins pg_num 8 pgp_num 8 last_change 1499 flags hashpspool stripe_width 0 >> application rgw >> pool 2 'rbd' replicated size 3 min_size 2 crush_rule 2 object_hash >> rjenkins pg_num 2048 pgp_num 2048 last_change 2230 flags hashpspool >> stripe_width 0 application rbd >> pool 3 'default.rgw.control' replicated size 3 min_size 2 crush_rule 2 >> object_hash rjenkins pg_num 8 pgp_num 8 last_change 1501 flags hashpspool >> stripe_width 0 application rgw >> pool 4 'default.rgw.meta' replicated size 3 min_size 2 crush_rule 2 >> object_hash rjenkins pg_num 8 pgp_num 8 last_change 1491 flags hashpspool >> stripe_width 0 application rgw >> pool 5 'default.rgw.log' replicated size 3 min_size 2 crush_rule 2 >> object_hash rjenkins pg_num 8 pgp_num 8 last_change 1486 flags hashpspool >> stripe_width 0 application rgw >> pool 7 'default.rgw.buckets.index' replicated size 3 min_size 2 crush_rule >> 2 object_hash rjenkins pg_num 8 pgp_num 8 last_change 1483 owner >> 18446744073709551615 flags hashpspool stripe_width 0 application rgw >> pool 8 'default.rgw.buckets.data' erasure size 12 min_size 10 crush_rule 3 >> object_hash rjenkins pg_num 2048 pgp_num 2048 last_change 2228 flags >> hashpspool max_bytes 879609302220800 stripe_width 36864 application rgw >> pool 9 'default.rgw.buckets.non-ec' replicated size 3 min_size 2 >> crush_rule 2 object_hash rjenkins pg_num 8 pgp_num 8 last_change 1506 owner >> 18446744073709551615 flags hashpspool stripe_width 0 application rgw >> >> Eight annoying OSDs match to primary OSDs of PGs that make default.rgw.log >> pool. >> >> Many thanks >> Jakub >> >> >> On Mon, Aug 20, 2018 at 11:54 AM David Turner <drakonstein@xxxxxxxxx> >> wrote: >>> >>> I'm assuming you use RGW and that you have a GC pool for RGW. It also >>> might beat assumed that your GC pool only has 8 PGs. Are any of those >>> guesses correct? >>> >>> On Mon, Aug 20, 2018, 5:13 AM Jakub Jaszewski <jaszewski.jakub@xxxxxxxxx> >>> wrote: >>>> >>>> Issue tracker http://tracker.ceph.com/issues/23801. >>>> Still don't know why only particular OSDs write this information to log >>>> files. >>>> >>>> Jakub >>>> >>>> On Wed, Aug 8, 2018 at 12:02 PM Jakub Jaszewski >>>> <jaszewski.jakub@xxxxxxxxx> wrote: >>>>> >>>>> Hi All, exactly the same story today, same 8 OSDs and a lot of garbage >>>>> collection objects to process >>>>> >>>>> Below is the number of "cls_rgw.cc:3284: gc_iterate_entries end_key=" >>>>> entries per OSD log file >>>>> hostA: >>>>> /var/log/ceph/ceph-osd.58.log >>>>> 1826467 >>>>> hostB: >>>>> /var/log/ceph/ceph-osd.88.log >>>>> 2924241 >>>>> hostC: >>>>> /var/log/ceph/ceph-osd.153.log >>>>> 581002 >>>>> /var/log/ceph/ceph-osd.164.log >>>>> 3278606 >>>>> hostD: >>>>> /var/log/ceph/ceph-osd.95.log >>>>> 1426963 >>>>> hostE: >>>>> /var/log/ceph/ceph-osd.4.log >>>>> 2716914 >>>>> /var/log/ceph/ceph-osd.53.log >>>>> 943749 >>>>> hostF: >>>>> /var/log/ceph/ceph-osd.172.log >>>>> 4085334 >>>>> >>>>> >>>>> # radosgw-admin gc list --include-all|grep oid |wc -l >>>>> 302357 >>>>> # >>>>> >>>>> Can anyone please explain what is going on ? >>>>> >>>>> Thanks! >>>>> Jakub >>>>> >>>>> On Tue, Aug 7, 2018 at 3:03 PM Jakub Jaszewski >>>>> <jaszewski.jakub@xxxxxxxxx> wrote: >>>>>> >>>>>> Hi, >>>>>> >>>>>> 8 out of 192 OSDs in our cluster (version 12.2.5) write plenty of >>>>>> records like "cls_rgw.cc:3284: gc_iterate_entries end_key=" to the >>>>>> corresponding log files, e.g. >>>>>> >>>>>> 2018-08-07 04:34:06.000585 7fdd8f012700 0 <cls> >>>>>> /build/ceph-12.2.5/src/cls/rgw/cls_rgw.cc:3284: gc_iterate_entries >>>>>> end_key=1_01533616446.000580407 >>>>>> 2018-08-07 04:34:06.001888 7fdd8f012700 0 <cls> >>>>>> /build/ceph-12.2.5/src/cls/rgw/cls_rgw.cc:3284: gc_iterate_entries >>>>>> end_key=1_01533616446.001886318 >>>>>> 2018-08-07 04:34:06.003395 7fdd8f012700 0 <cls> >>>>>> /build/ceph-12.2.5/src/cls/rgw/cls_rgw.cc:3284: gc_iterate_entries >>>>>> end_key=1_01533616446.003390299 >>>>>> 2018-08-07 04:34:06.005205 7fdd8f012700 0 <cls> >>>>>> /build/ceph-12.2.5/src/cls/rgw/cls_rgw.cc:3284: gc_iterate_entries >>>>>> end_key=1_01533616446.005200341 >>>>>> >>>>>> # grep '2018-08-07 04:34:06' /var/log/ceph/ceph-osd.4.log |wc -l >>>>>> 712 >>>>>> # >>>>>> >>>>>> At the same time there were like 500 000 expired garbage collection >>>>>> objects. >>>>>> >>>>>> Log level of OSD subsystem is set to default 1/5 across all OSDs. >>>>>> >>>>>> I wonder why only few OSDs record this information and is it something >>>>>> to be logged in log level = 1 or maybe higher? >>>>>> https://github.com/ceph/ceph/blob/v12.2.5/src/cls/rgw/cls_rgw.cc#L3284 >>>>>> >>>>>> Thanks >>>>>> Jakub >>>> >>>> _______________________________________________ >>>> 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