Hi Paul, all,
Thanks! But I don't seem to find how to debug the purge queue. When I
check the purge queue, I get these numbers:
[root@mds02 ~]# ceph daemon mds.mds02 perf dump | grep -E 'purge|pq'
"purge_queue": {
"pq_executing_ops": 0,
"pq_executing": 0,
"pq_executed": 469026
[root@mds03 ~]# ceph daemon mds.mds03 perf dump | grep -E 'purge|pq'
"purge_queue": {
"pq_executing_ops": 0,
"pq_executing": 0,
"pq_executed": 0
But even after more than 10 minutes these numbers are still the same,
but I'm not yet able to delete anything.
What bothers me most is that while I can't delete anything, ceph cluster
is still healthy - no warnings, and there is nothing in the mds logs..
(running ceph 13.2.6)
Thanks again!
Kenneth
On 06/09/2019 16:21, Paul Emmerich wrote:
Yeah, no ENOSPC error code on deletion is a little bit unintuitive,
but what it means is: the purge queue is full.
You've already told the MDS to purge faster.
Not sure how to tell it to increase the maximum backlog for
deletes/purges, though, but you should be able to find something with
the search term "purge queue". :)
Paul
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