On Wed, Feb 18, 2026 at 6:05 PM Martin Gerhard Loschwitz <martin.loschwitz@true-west.com> wrote:
Hey Venky,
thank you for your reply!
Am 16.02.2026 um 08:34 schrieb Venky Shankar via ceph-users <ceph-users@ceph.io>:
Hi Martin,
Could you additionally do a minute worth of MDS perf dump captures at 5 second intervals during the observed slowness? This can be done using
ceph tell mds.<id> perf dump
and pipe the result to separate (time-stamped) files and share those.
I am attaching a tarball with the perf dumps alongside the wall clock profiles generated at the same time. Please note that when running gdbpmp on the MDS, it appears to stall / hang so that after a while, the MONs declare the rank failed and initiate a fail-over. I am not sure that is supposed to be this way … I am seeing SIGINT messages in those moments in the logs. At such events, the „perf dump“ Generated would be empty.
Noted. I shall have a look today.
Best regards Martin
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-- Cheers, Venky