sdong d20915d52a Disable stats about mutex duration by default ... Summary: Measuring mutex duration will measure time inside DB mutex, which breaks our best practice. Add a stat level in Statistics class. By default, disable to measure the mutex operations. Test Plan: Add a unit test to make sure it is off by default. Reviewers: rven, anthony, IslamAbdelRahman, kradhakrishnan, andrewkr, yhchiang Reviewed By: yhchiang Subscribers: MarkCallaghan, leveldb, dhruba Differential Revision: https://reviews.facebook.net/D53367		2016-01-26 14:56:55 -08:00
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rocksdb	Disable stats about mutex duration by default	2016-01-26 14:56:55 -08:00