Re: ceph-osd/bluestore using page cache

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> The setting you're looking for is bluefs_buffered_io. This is very
> much a YMMV setting, so it's best to test with both modes, but I
> usually recommend turning it off for all but omap-intensive workloads
> (e.g. RGW index) ...

We're not using RGW, only RBD.

Currently I find it hard to prevent Linux from swapping at least a little
no matter what vm settings I use.

Thanks.

--
- Brian
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