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

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Manuel Ung ea212e5316 WriteUnPrepared: Implement unprepared batches for transactions (#4104) ... Summary: This adds support for writing unprepared batches based on size defined in `TransactionOptions::max_write_batch_size`. This is done by overriding methods that modify data (Put/Delete/SingleDelete/Merge) and checking first if write batch size has exceeded threshold. If so, the write batch is written to DB as an unprepared batch. Support for Commit/Rollback for unprepared batch is added as well. This has been done by simply extending the WritePrepared Commit/Rollback logic to take care of all unprep_seq numbers either when updating prepare heap, or adding to commit map. For updating the commit map, this logic exists inside `WriteUnpreparedCommitEntryPreReleaseCallback`. A test change was also made to have transactions unregister themselves when committing without prepare. This is because with write unprepared, there may be unprepared entries (which act similarly to prepared entries) already when a commit is done without prepare. Pull Request resolved: https://github.com/facebook/rocksdb/pull/4104 Differential Revision: D8785717 Pulled By: lth fbshipit-source-id: c02006e281ec1ce00f628e2a7beec0ee73096a91		6 years ago
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write_batch_with_index.cc	WriteUnPrepared: Implement unprepared batches for transactions (#4104)	6 years ago
write_batch_with_index_internal.cc	WriteUnPrepared: Add new WAL marker kTypeBeginUnprepareXID (#4069)	6 years ago
write_batch_with_index_internal.h	Change RocksDB License	7 years ago
write_batch_with_index_test.cc	Per-thread unique test db names (#4135)	6 years ago