Dhruba Borthakur 3d1e92b05a Enhancements to rocksdb for better support for replication. ... Summary: 1. The OpenForReadOnly() call should not lock the db. This is useful so that multiple processes can open the same database concurrently for reading. 2. GetUpdatesSince should not error out if the archive directory does not exist. 3. A new constructor for WriteBatch that can takes a serialized string as a parameter of the constructor. Test Plan: make clean check Reviewers: sheki Reviewed By: sheki CC: leveldb Differential Revision: https://reviews.facebook.net/D7449		2012-12-17 11:40:19 -08:00
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leveldb	Enhancements to rocksdb for better support for replication.	2012-12-17 11:40:19 -08:00