Re: Multiple OSDs suicide because of client issues?

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I saw posts about that in the mailing lists. According to SAR, there
wasn't an abnormal amount of page faults. We have swap disabled and
have min_kbytes_free set to 6GB which has worked well for us so far.
We kicked around still setting swappiness to 10 (should help be more
aggressive on freeing up memory), but decided to migrate the VMs
first.
- ----------------
Robert LeBlanc
PGP Fingerprint 79A2 9CA4 6CC4 45DD A904  C70E E654 3BB2 FA62 B9F1


On Mon, Nov 23, 2015 at 12:14 PM, Mark Nelson  wrote:
> FWIW, if you've got collectl per-process logs, you might look for major
> pagefaults associated with the osd processes.  I've seen process swapping
> cause heartbeat timeouts in the past.  Not to say that's the issue, but
> worth confirming it's not happening.
>
> Mark

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