61c9bd49c1
Summary: Now we can analyze the MultiGet queries in the trace file and generate a set of the statistic and analysis files. Note that, when one MultiGet access N keys, we count each sub-get-query individually. But the over all query number is still the MultiGet not the sub-get-query. Pull Request resolved: https://github.com/facebook/rocksdb/pull/8575 Test Plan: added new unit test and make check Reviewed By: anand1976 Differential Revision: D29860633 Pulled By: zhichao-cao fbshipit-source-id: a132128527f36828d266df8e36e3ec626c2170be