[Bug 1917494] [NEW] ceph-mgr hangs in large clusters
Ponnuvel Palaniyappan
1917494 at bugs.launchpad.net
Tue Mar 2 17:02:29 UTC 2021
Public bug reported:
This is to track and SRU the upstream bug [0]. In large clusers, there's
a GIL deadlock that happens (or observable) when ceph-mgr receive high
number of requests from Prometheus module.
This bug likely exists at least since the initial release of Nautilus.
Upstream fixed this recently [2]. Targetted for Octopus 15.2.9 (which is
not released yet - the next point release). So this tracker is to assess
the impact and potentially backport in Ubuntu/UCA packages before 15.2.9
gets released.
N.B: We have previously backported a similar bug [1]. But this is
unrelated.
[0] https://tracker.ceph.com/issues/39264
[1] https://bugs.launchpad.net/ubuntu/+source/ceph/+bug/1906496
[2] https://github.com/ceph/ceph/pull/38677
** Affects: ceph (Ubuntu)
Importance: Undecided
Status: New
** Tags: seg
** Tags added: seg
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https://bugs.launchpad.net/bugs/1917494
Title:
ceph-mgr hangs in large clusters
Status in ceph package in Ubuntu:
New
Bug description:
This is to track and SRU the upstream bug [0]. In large clusers,
there's a GIL deadlock that happens (or observable) when ceph-mgr
receive high number of requests from Prometheus module.
This bug likely exists at least since the initial release of Nautilus.
Upstream fixed this recently [2]. Targetted for Octopus 15.2.9 (which
is not released yet - the next point release). So this tracker is to
assess the impact and potentially backport in Ubuntu/UCA packages
before 15.2.9 gets released.
N.B: We have previously backported a similar bug [1]. But this is
unrelated.
[0] https://tracker.ceph.com/issues/39264
[1] https://bugs.launchpad.net/ubuntu/+source/ceph/+bug/1906496
[2] https://github.com/ceph/ceph/pull/38677
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