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osd/filestore: Change default filestore_merge_threshold to -1 22813/head
authorDouglas Fuller <dfuller@redhat.com>
Thu, 28 Jun 2018 14:26:25 +0000 (10:26 -0400)
committerNathan Cutler <ncutler@suse.com>
Tue, 3 Jul 2018 10:47:19 +0000 (12:47 +0200)
commit2b29e5f8ff60f60e141caf792610c231577ca3cf
tree541fedc8f73504f4d0f6cb13fff6de0e70ee416etree | snapshot
parentae503a1a0abe3610131a5f9e668fbb0f1808ec05commit | diff
osd/filestore: Change default filestore_merge_threshold to -1

Performance evaluations of medium to large size Ceph clusters have
demonstrated negligible performance impact from unnecessarily deep
directory hierarchies but significant performance impact from filestore
split and merge activity. Disable merges by default.

Fixes: http://tracker.ceph.com/issues/24686
Signed-off-by: Douglas Fuller <dfuller@redhat.com>
(cherry picked from commit 75f55f2dfc92a89ec9d821e00effad75839008c9)
doc/rados/configuration/filestore-config-ref.rst diff | blob | history
qa/standalone/mon/osd-pool-create.sh diff | blob | history
src/common/options.cc diff | blob | history
src/sample.ceph.conf diff | blob | history
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