osd: cache full mode still skips young objects #5051
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This fixes a bug when the time of the OSDs and clients are not synchronized (especially when client is ahead of OSD), and the cache tier dirty ratio reaches the threshold, the agent skips the flush work because it thinks the object is too young. Signed-off-by: Zhiqiang Wang <wonzhq@hotmail.com> (cherry picked from commit 13b9dc7)
… pool is full Signed-off-by: Xinze Chi <xmdxcxz@gmail.com> (cherry picked from commit f4ee949)
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@liewegas this backport passed a rados suite ( http://pulpito.ceph.com/loic-2015-07-09_21:09:04-rados-firefly-backports---basic-multi ), do you think it can be merged in firefly ? |
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yeah, i think this is safe. |
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Jul 24, 2015
osd: cache full mode still skips young objects Reviewed-by: Sage Weil <sage@redhat.com>
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http://tracker.ceph.com/issues/12016