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

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Huisheng Liu a6ce5c823b multiget support for timestamps (#6483) ... Summary: Add timestamp support for MultiGet(). timestamp from readoptions is honored, and timestamps can be returned along with values. MultiReadRandom perf test (10 minutes) on the same development machine ram drive with the same DB data shows no regression (within marge of error). The test is adapted from https://github.com/facebook/rocksdb/wiki/RocksDB-In-Memory-Workload-Performance-Benchmarks. base line (commit 17bef7d3a): multireadrandom : 104.173 micros/op 307167 ops/sec; (5462999 of 5462999 found) This PR: multireadrandom : 104.199 micros/op 307095 ops/sec; (5307999 of 5307999 found) .\db_bench --db=r:\rocksdb.github --num_levels=6 --key_size=20 --prefix_size=20 --keys_per_prefix=0 --value_size=100 --cache_size=2147483648 --cache_numshardbits=6 --compression_type=none --compression_ratio=1 --min_level_to_compress=-1 --disable_seek_compaction=1 --hard_rate_limit=2 --write_buffer_size=134217728 --max_write_buffer_number=2 --level0_file_num_compaction_trigger=8 --target_file_size_base=134217728 --max_bytes_for_level_base=1073741824 --disable_wal=0 --wal_dir=r:\rocksdb.github\WAL_LOG --sync=0 --verify_checksum=1 --statistics=0 --stats_per_interval=0 --stats_interval=1048576 --histogram=0 --use_plain_table=1 --open_files=-1 --memtablerep=prefix_hash --bloom_bits=10 --bloom_locality=1 --duration=600 --benchmarks=multireadrandom --use_existing_db=1 --num=25000000 --threads=32 --allow_concurrent_memtable_write=0 Pull Request resolved: https://github.com/facebook/rocksdb/pull/6483 Reviewed By: anand1976 Differential Revision: D20498373 Pulled By: riversand963 fbshipit-source-id: 8505f22bc40fd791bc7dd05e48d7e67c91edb627		5 years ago
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adaptive	Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)	5 years ago
block_based	Support direct IO in RandomAccessFileReader::MultiRead (#6446)	5 years ago
cuckoo	Remove memcpy from RandomAccessFileReader::Read in direct IO mode (#6455)	5 years ago
plain	Remove memcpy from RandomAccessFileReader::Read in direct IO mode (#6455)	5 years ago
block_fetcher.cc	Remove memcpy from RandomAccessFileReader::Read in direct IO mode (#6455)	5 years ago
block_fetcher.h	Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)	5 years ago
cleanable_test.cc	Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)	5 years ago
format.cc	Remove memcpy from RandomAccessFileReader::Read in direct IO mode (#6455)	5 years ago
format.h	Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)	5 years ago
get_context.cc	return timestamp from get (#6409)	5 years ago
get_context.h	return timestamp from get (#6409)	5 years ago
internal_iterator.h	Iterator with timestamp (#6255)	5 years ago
iter_heap.h	Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)	5 years ago
iterator.cc	Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)	5 years ago
iterator_wrapper.h	Some minor fix-ups (#6440)	5 years ago
merger_test.cc	Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)	5 years ago
merging_iterator.cc	Some minor fix-ups (#6440)	5 years ago
merging_iterator.h	Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)	5 years ago
meta_blocks.cc	Fix range deletion tombstone ingestion with global seqno (#6429)	5 years ago
meta_blocks.h	Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)	5 years ago
mock_table.cc	Remove memcpy from RandomAccessFileReader::Read in direct IO mode (#6455)	5 years ago
mock_table.h	Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)	5 years ago
multiget_context.h	multiget support for timestamps (#6483)	5 years ago
persistent_cache_helper.cc	Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)	5 years ago
persistent_cache_helper.h	Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)	5 years ago
persistent_cache_options.h	Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)	5 years ago
scoped_arena_iterator.h	Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)	5 years ago
sst_file_reader.cc	Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)	5 years ago
sst_file_reader_test.cc	Allow table/sst_file_reader_test.cc to use custom Env (#6536)	5 years ago
sst_file_writer.cc	fix some spelling typos (#6464)	5 years ago
sst_file_writer_collectors.h	Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)	5 years ago
table_builder.h	Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)	5 years ago
table_properties.cc	Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)	5 years ago
table_properties_internal.h	Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)	5 years ago
table_reader.h	Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)	5 years ago
table_reader_bench.cc	Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)	5 years ago
table_reader_caller.h	Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)	5 years ago
table_test.cc	Fix regression bug in partitioned index reseek caused by #6531 (#6551)	5 years ago
two_level_iterator.cc	Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)	5 years ago
two_level_iterator.h	Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)	5 years ago