Re: Degradation of write-performance after upgrading to Octopus

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Den tors 4 juni 2020 kl 16:29 skrev David Orman <ormandj@xxxxxxxxxxxx>:

>    * bluestore: common/options.cc: disable bluefs_preextend_wal_files  <--
> from 15.2.3 changelogs. There was a bug which lead to issues on OSD
>

Given that preextended WAL files was mentioned as a speed increasing
feature in nautilus 14.2.3 release notes, are nautilus clusters in danger
or just Octopus?



> restart, and I believe this was the attempt at mitigation until a proper
> bugfix could be put into place. I suspect this might be the cause of the
> symptoms you're seeing.
>
> https://tracker.ceph.com/issues/45613
> https://github.com/ceph/ceph/pull/35293
>

-- 
May the most significant bit of your life be positive.
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