Re: OSDs get killed by OOM when other host goes down

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Hi Marius,

> However, docker stats reports 38GB for that container.
> There is a huge gap between what RAM is being used by the container what ceph daemon osd.xxx dump_mempools reports.

Take a look at "ceph daemon osd.XX heap stats" and see what it says.
You might try "ceph daemon osd.XX heap release"; I didn't think that
was supposed to be necessary with Bluestore, though. This is reaching
the end of the sort of problems I know how to track down, though, so
maybe others have some ideas.

> How can I check if trim happens?

I'm not sure how to dig into this, but if your "up" count = your "in"
count in "ceph -s", it should be trimming.

Josh
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