rocksdb/cache
anand76 add68bd28a Add a stat to count secondary cache hits (#8666)
Summary:
Add a stat for secondary cache hits. The ```Cache::Lookup``` API had an unused ```stats``` parameter. This PR uses that to pass the pointer to a ```Statistics``` object that ```LRUCache``` uses to record the stat.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/8666

Test Plan: Update a unit test in lru_cache_test

Reviewed By: zhichao-cao

Differential Revision: D30353816

Pulled By: anand1976

fbshipit-source-id: 2046f78b460428877a26ffdd2bb914ae47dfbe77
2021-08-16 21:01:14 -07:00
..
cache.cc
cache_bench.cc
cache_bench_tool.cc
cache_entry_roles.cc
cache_entry_roles.h
cache_entry_stats.h
cache_helpers.h
cache_test.cc
clock_cache.cc
clock_cache.h
lru_cache.cc
lru_cache.h
lru_cache_test.cc
sharded_cache.cc
sharded_cache.h