Lijun Wang 09458cc802
Shrink mmap leakage (#19373)
* Putting stores satisfying future shrink into the candidate list.

* Fixed unit tests for select_shrink_candidates

* Added metrics on stores readded back for next round

* Ehance the metrics on accountsdb to report the total bytes and alive bytes and alive ratio

* Enhance select_shrink_candidates metrics
2021-08-31 00:55:16 -07:00
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2021-08-31 00:55:16 -07:00