[Bugs] [Bug 1221511] nfs-ganesha: OOM killed for nfsd process while executing the posix test suite

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1221511



--- Comment #6 from Soumya Koduri <skoduri at redhat.com> ---
I can think of one RCA for this issue atm though not checked the logs/core.
Since upcall is enabled, gfapi will queue all the upcall notifications received
from server in a queue. But since the patch in NFS-Ganesha (which polls and
cleans up these entries) haven't yet got merged, I am thinking those entries
may have consumed lots of memory which resulted in OOM kill. Please disable
upcall 'gluster vol set features.cache-invalidation off' and run the test-suite
just to confirm if this is the case. Thanks!

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