Zhongyi Xie b313019326 use per-level perfcontext for DB::Get calls (#4617) ... Summary: this PR adds two more per-level perf context counters to track * number of keys returned in Get call, break down by levels * total processing time at each level during Get call Pull Request resolved: https://github.com/facebook/rocksdb/pull/4617 Differential Revision: D12898024 Pulled By: miasantreble fbshipit-source-id: 6b84ef1c8097c0d9e97bee1a774958f56ab4a6c4		2018-11-13 10:40:49 -08:00
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rocksdb	use per-level perfcontext for DB::Get calls (#4617)	2018-11-13 10:40:49 -08:00