3 Commits

Author	SHA1	Message	Date
Lei Jin	c8bb79978e	fix the buffer overflow in dynamic_bloom_test ... Summary: int -> uint64_t Test Plan: it think it is pretty obvious will run asan_check before committing Reviewers: igor, haobo Reviewed By: igor CC: leveldb Differential Revision: https://reviews.facebook.net/D17241	2014-03-28 16:21:42 -07:00
Lei Jin	0d755fff14	cache friendly blocked bloomfilter ... Summary: By constraining the probes within cache line(s), we can improve the cache miss rate thus performance. This probably only makes sense for in-memory workload so defaults the option to off. Numbers and comparision can be found in wiki: https://our.intern.facebook.com/intern/wiki/index.php/Ljin/rocksdb_perf/2014_03_17#Bloom_Filter_Study Test Plan: benchmarked this change substantially. Will run make all check as well Reviewers: haobo, igor, dhruba, sdong, yhchiang Reviewed By: haobo CC: leveldb Differential Revision: https://reviews.facebook.net/D17133	2014-03-28 09:21:20 -07:00
Haobo Xu	3c02c363b3	[RocksDB] [Performance Branch] Added dynamic bloom, to be used for memable non-existing key filtering ... Summary: as title Test Plan: dynamic_bloom_test Reviewers: dhruba, sdong, kailiu CC: leveldb Differential Revision: https://reviews.facebook.net/D14385	2013-12-11 00:15:14 -08:00