Quoting Frank Schilder (fr...@dtu.dk):

If at all possible I would:

Upgrade to 13.2.5 (there have been quite a few MDS fixes since 13.2.2).
Use more recent kernels on the clients.

Below settings for [mds] might help with trimming (you might already
have changed mds_log_max_segments to 128 according to logs):

[mds]
mds_log_max_expiring = 80      # default 20
# trim max $value segments in parallel
# Defaults are too conservative.
mds_log_max_segments = 120      # default 30


> 1) Is there a bug with having MDS daemons acting as standby-replay?
I can't tell what bug you are referring to based on info below. It does
seem to work as designed.

Gr. Stefan

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