I would like to use bluestore compression (probably zstd level 3) to
compress my clients data unless the incompressible hint is set (aggressive
mode) but I do no want to expose myself to the bug experienced in this Cern
talk (Ceph bug of the year) https://www.youtube.com/watch?v=_4HUR00oCGo
where the osd maps are compressed, even though I realize the bug is fixed
in lz4 (and i'm probably not going to use lz4).

So my question is if the compression mode is aggressive but is set on a per
pool basis (compression_mode vs bluestore_compression_mode) is ceph only
attempting to compress the client data and not "bluestore/cluster internal
data" like osd maps etc. Thanks.


Respectfully,

*Wes Dillingham*
w...@wesdillingham.com
LinkedIn <http://www.linkedin.com/in/wesleydillingham>
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