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Zhongyi Xie
a291f3a1e5
Collect compaction stats by priority and dump to info LOG (#5050)
Summary:
In order to better understand compaction done by different priority thread pool, we now collect compaction stats by priority and also print them to info LOG through stats dump.
```
** Compaction Stats [default] **
Priority Files Size Score Read(GB) Rn(GB) Rnp1(GB) Write(GB) Wnew(GB) Moved(GB) W-Amp Rd(MB/s) Wr(MB/s) Comp(sec) CompMergeCPU(sec) Comp(cnt) Avg(sec) KeyIn KeyDrop
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Low 0/0 0.00 KB 0.0 16.8 11.3 5.5 5.6 0.1 0.0 0.0 406.4 136.1 42.24 34.96 45 0.939 13M 8865K
High 0/0 0.00 KB 0.0 0.0 0.0 0.0 11.4 11.4 0.0 0.0 0.0 76.2 153.00 35.74 12185 0.013 0 0
```
Pull Request resolved: https://github.com/facebook/rocksdb/pull/5050
Differential Revision: D14408583
Pulled By: miasantreble
fbshipit-source-id: e53746586ea27cb8abc9fec35805bd80ed30f608
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6 years ago |
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rocksdb
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Collect compaction stats by priority and dump to info LOG (#5050)
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6 years ago |
