Den ons 3 juli 2019 kl 09:01 skrev Luk <skidoo@xxxxxxx>:
Hello,
I have strange problem with scrubbing.
When scrubbing starts on PG which belong to default.rgw.buckets.index
pool, I can see that this OSD is very busy (see attachment), and starts showing many
slow request, after the scrubbing of this PG stops, slow requests
stops immediately.
[root@stor-b02 /var/lib/ceph/osd/ceph-118/current]# du -sh 20.2_*
636K 20.2_head
0 20.2_TEMP
[root@stor-b02 /var/lib/ceph/osd/ceph-118/current]# ls -1 -R 20.2_head | wc -l
4125
[root@stor-b02 /var/lib/ceph/osd/ceph-118/current]#
I think that pool might contain tons of metadata entries and non-obvious data for which it takes a while to process.
But I see similar things on my rgw pools also during scrubs. :-(
May the most significant bit of your life be positive.
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