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由 Zhongyi Xie 提交于
Summary: User reported (https://github.com/facebook/rocksdb/issues/4168) that when opening RocksDB in read-only mode, some statistics are not correctly reported. After some investigation, we believe the following counters are indeed not reported during Get() call in a read-only DB: rocksdb.memtable.hit rocksdb.memtable.miss rocksdb.number.keys.read rocksdb.bytes.read As well as histogram rocksdb.bytes.per.read and perf context get_read_bytes This PR will add the necessary counter reporting logic in the Get() call path Pull Request resolved: https://github.com/facebook/rocksdb/pull/4260 Differential Revision: D9476431 Pulled By: miasantreble fbshipit-source-id: 7ab409d4e59df05d09ae8b69fe75554e5aa240d6
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