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doc/rbd: documented 'rbd compression hint' config option

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Signed-off-by: Jason Dillaman <dillaman@redhat.com>
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Jason Dillaman 2020-01-17 08:38:14 -05:00
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doc/rbd/rbd-config-ref.rst
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@ -4,6 +4,17 @@
See `Block Device`_ for additional details.
Generic IO Settings
===================
``rbd compression hint``
:Description: Hint to send to the OSDs on write operations. If set to `compressible` and the OSD `bluestore compression mode` setting is `passive`, the OSD will attempt to compress the data. If set to `incompressible` and the OSD compression setting is `aggressive`, the OSD will not attempt to compress the data.
:Type: Enum
:Required: No
:Default: ``none``
:Values: ``none``, ``compressible``, ``incompressible``
Cache Settings
=======================