kailiu b660e2d468 Expose usage info for the cache ...

Summary: This diff will help us to figure out the memory usage for the cache part.

Test Plan: added a new memory usage test for cache

Reviewers: haobo, sdong, dhruba

CC: leveldb

Differential Revision: https://reviews.facebook.net/D14559

2013-12-13 12:53:45 -08:00

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rocksdb

Expose usage info for the cache

2013-12-13 12:53:45 -08:00

utilities

Make GetDbIdentity pure virtual and also implement it for StackableDB, DBWithTTL

2013-12-05 12:02:31 -08:00