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libceph: add support for osd primary affinity
authorIlya Dryomov <ilya.dryomov@inktank.com>
Mon, 24 Mar 2014 15:12:49 +0000 (17:12 +0200)
committerSage Weil <sage@inktank.com>
Sat, 5 Apr 2014 04:08:17 +0000 (21:08 -0700)
commit47ec1f3cc46dde00deb34922dbffdeda254ad76d
tree1dbfa1b18638f70684a531ba53c16e40a7e3f320tree | snapshot
parent5e8d4d36bf23bb7baf027c479d54395840219928commit | diff
libceph: add support for osd primary affinity

Respond to non-default primary_affinity values accordingly.  (Primary
affinity allows the admin to shift 'primary responsibility' away from
specific osds, effectively shifting around the read side of the
workload and whatever overhead is incurred by peering and writes by
virtue of being the primary).

Signed-off-by: Ilya Dryomov <ilya.dryomov@inktank.com>
Reviewed-by: Alex Elder <elder@linaro.org>
net/ceph/osdmap.c diff | blob | history
Beck SC1x5 Kernel