Maysam Yabandeh 17731a43a6 WritePrepared Txn: Optimize for recoverable state ... Summary: GetCommitTimeWriteBatch is currently used to store some state as part of commit in 2PC. In MyRocks it is specifically used to store some data that would be needed only during recovery. So it is not need to be stored in memtable right after each commit. This patch enables an optimization to write the GetCommitTimeWriteBatch only to the WAL. The batch will be written to memtable during recovery when the WAL is replayed. To cover the case when WAL is deleted after memtable flush, the batch is also buffered and written to memtable right before each memtable flush. Closes https://github.com/facebook/rocksdb/pull/3071 Differential Revision: D6148023 Pulled By: maysamyabandeh fbshipit-source-id: 2d09bae5565abe2017c0327421010d5c0d55eaa7		2017-11-01 17:26:46 -07:00
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rocksdb	WritePrepared Txn: Optimize for recoverable state	2017-11-01 17:26:46 -07:00