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(parent: 811857a) | patch
os/bluestore: provide a rough estimate for bitmap allocator
authorIgor Fedotov <ifedotov@suse.com>
Fri, 15 Jun 2018 14:04:57 +0000 (17:04 +0300)
committerIgor Fedotov <ifedotov@suse.com>
Sun, 17 Mar 2019 17:59:07 +0000 (20:59 +0300)
commitd08e2b798186d6d54d71c91dbfc14912fec445bf
tree8eb4a209642bf55226f8c64e14080624bba7fa8ftree | snapshot
parent811857a9c8d03413adc2a939cb7ac6420c92432fcommit | diff
os/bluestore: provide a rough estimate for bitmap allocator
fragmentation.
The approach is counting 'partial' and 'free' slots at L1 on the fly and
use partial / (partial+free) value as rough fragmentation estimate.

Signed-off-by: Igor Fedotov <ifedotov@suse.com>
(cherry picked from commit dbbe12fe6f543fc6942f41a108effc7eb1632f67)
src/os/bluestore/BitmapAllocator.h diff | blob | history
src/os/bluestore/fastbmap_allocator_impl.cc diff | blob | history
src/os/bluestore/fastbmap_allocator_impl.h diff | blob | history
src/test/objectstore/Allocator_test.cc diff | blob | history
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