Aaron Gao 2914de64e8 add sim_cache stats to Statistics ... Summary: add SIM_BLOCK_CACHE_HIT and SIM_BLOCK_CACHE_MISS tickers. maybe can be combined with Histograms like DB_GET to evaluate the current setting of the size of block cache. Test Plan: make all check Reviewers: sdong, andrewkr, IslamAbdelRahman, yiwu Reviewed By: yiwu Subscribers: andrewkr, dhruba, leveldb Differential Revision: https://reviews.facebook.net/D61803		2016-08-10 17:42:24 -07:00
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rocksdb	add sim_cache stats to Statistics	2016-08-10 17:42:24 -07:00