crush: set_choose_tries = 100 for erasure code rulesets #3824
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It is common for people to try to map 9 OSDs out of a 9 OSDs total ceph
cluster. The default tries (50) will frequently lead to bad mappings for
this use case. Changing it to 100 makes no significant CPU performance
difference, as tested manually by running crushtool on one million
mappings.
http://tracker.ceph.com/issues/10353 Fixes: #10353
Signed-off-by: Loic Dachary ldachary@redhat.com
(cherry picked from commit 2f87ac8)
Conflicts:
src/erasure-code/lrc/ErasureCodeLrc.cc
safely ignored because the file does not exist