Zhichao Cao b632ed0c67 Add file temperature related counter and bytes stats to and io_stats (#8710) ... Summary: For tiered storage project, we need to know the block read count and read bytes of files with different temperature. Add FileIOByTemperature to IOStatsContext and collect the bytes read and read count from different temperature files through the RandomAccessFileReader. Pull Request resolved: https://github.com/facebook/rocksdb/pull/8710 Test Plan: make check, add the testing cases Reviewed By: siying Differential Revision: D30582400 Pulled By: zhichao-cao fbshipit-source-id: d83173de594374fc8404af5ce93a6a9be72c7141		2021-10-07 14:58:41 -07:00
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rocksdb	Add file temperature related counter and bytes stats to and io_stats (#8710)	2021-10-07 14:58:41 -07:00