Grace Law 1851f977c2 Added RocksDB stats GET_HIT_L0 and GET_HIT_L1 ... Summary: - In statistics.h , added tickers. - In version_set.cc, -- Added a getter method for hit_file_level_ in the class FilePicker -- Added a line in the Get() method in case of a found, increment the corresponding counters based on the level of the file respectively. Corresponding task: https://our.intern.facebook.com/intern/tasks/?s=506100481&t=5952818 Personal fork: 0c3f2e3600 Test Plan: In terminal, ``` make -j32 db_test ROCKSDB_TESTS=L0L1L2AndUpHitCounter ./db_test ``` Or to use debugger, ``` make -j32 db_test export ROCKSDB_TESTS=L0L1L2AndUpHitCounter gdb db_test ``` Reviewers: rven, sdong Reviewed By: sdong Subscribers: dhruba Differential Revision: https://reviews.facebook.net/D32205		2015-02-09 14:53:58 -08:00
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rocksdb	Added RocksDB stats GET_HIT_L0 and GET_HIT_L1	2015-02-09 14:53:58 -08:00
utilities	Fix iOS compile with -Wshorten-64-to-32	2014-11-13 14:39:30 -05:00