Kai Liu 88ba331c1a Add the index/filter block cache ... Summary: This diff leverage the existing block cache and extend it to cache index/filter block. Test Plan: Added new tests in db_test and table_test The correctness is checked by: 1. make check 2. make valgrind_check Performance is test by: 1. 10 times of build_tools/regression_build_test.sh on two versions of rocksdb before/after the code change. Test results suggests no significant difference between them. For the two key operatons `overwrite` and `readrandom`, the average iops are both 20k and ~260k, with very small variance). 2. db_stress. Reviewers: dhruba Reviewed By: dhruba CC: leveldb, haobo, xjin Differential Revision: https://reviews.facebook.net/D13167		2013-11-12 22:46:51 -08:00
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rocksdb	Add the index/filter block cache	2013-11-12 22:46:51 -08:00
utilities	Making the transaction log iterator more robust	2013-11-04 20:49:03 -08:00