fork of https://github.com/oxigraph/rocksdb and https://github.com/facebook/rocksdb for nextgraph and oxigraph

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Manuel Ung e63350e726 Use more efficient hash map for deadlock detection ... Summary: Currently, deadlock cycles are held in std::unordered_map. The problem with it is that it allocates/deallocates memory on every insertion/deletion. This limits throughput since we're doing this expensive operation while holding a global mutex. Fix this by using a vector which caches memory instead. Running the deadlock stress test, this change increased throughput from 39k txns/s -> 49k txns/s. The effect is more noticeable in MyRocks. Closes https://github.com/facebook/rocksdb/pull/1545 Differential Revision: D4205662 Pulled By: lth fbshipit-source-id: ff990e4		8 years ago
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optimistic_transaction_db_impl.cc	optimistic transactions support for reinitialization	9 years ago
optimistic_transaction_db_impl.h	optimistic transactions support for reinitialization	9 years ago
optimistic_transaction_impl.cc	[rocksdb] Two Phase Transaction	9 years ago
optimistic_transaction_impl.h	[rocksdb] Two Phase Transaction	9 years ago
optimistic_transaction_test.cc	Use correct sequence number when creating memtable	8 years ago
transaction_base.cc	[rocksdb] Two Phase Transaction	9 years ago
transaction_base.h	make transaction WriteOptions modifiable	8 years ago
transaction_db_impl.cc	Expose Transaction State Publicly	8 years ago
transaction_db_impl.h	Expose transaction id, lock state information and transaction wait information	8 years ago
transaction_db_mutex_impl.cc	Fix transaction locking	9 years ago
transaction_db_mutex_impl.h	Updated all copyright headers to the new format.	9 years ago
transaction_impl.cc	Implement deadlock detection	8 years ago
transaction_impl.h	Make IsDeadlockDetect() virtual member of Transaction	8 years ago
transaction_lock_mgr.cc	Use more efficient hash map for deadlock detection	8 years ago
transaction_lock_mgr.h	Use more efficient hash map for deadlock detection	8 years ago
transaction_test.cc	Fix 2PC Recovery SeqId Miscount	8 years ago
transaction_util.cc	Updated all copyright headers to the new format.	9 years ago
transaction_util.h	Updated all copyright headers to the new format.	9 years ago