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

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Lei Jin fbd2dafc9f CompactedDBImpl::MultiGet() for better CuckooTable performance ... Summary: Add the MultiGet API to allow prefetching. With file size of 1.5G, I configured it to have 0.9 hash ratio that can fill With 115M keys and result in 2 hash functions, the lookup QPS is ~4.9M/s vs. 3M/s for Get(). It is tricky to set the parameters right. Since files size is determined by power-of-two factor, that means # of keys is fixed in each file. With big file size (thus smaller # of files), we will have more chance to waste lot of space in the last file - lower space utilization as a result. Using smaller file size can improve the situation, but that harms lookup speed. Test Plan: db_bench Reviewers: yhchiang, sdong, igor Reviewed By: sdong Subscribers: leveldb Differential Revision: https://reviews.facebook.net/D23673		10 years ago
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backupable	Fix Mac compile	10 years ago
compacted_db	CompactedDBImpl::MultiGet() for better CuckooTable performance	10 years ago
document	fix more compile warnings	10 years ago
geodb	fix more compile warnings	10 years ago
merge_operators	Move include/utilities/*.h to include/rocksdb/utilities/*.h	10 years ago
redis	RocksDBLite	10 years ago
spatialdb	Fixed a signed-unsigned comparison in spatial_db.cc -- issue #293	10 years ago
ttl	Move include/utilities/*.h to include/rocksdb/utilities/*.h	10 years ago
write_batch_with_index	WriteBatchWithIndex to allow different Comparators for different column families	10 years ago
merge_operators.h	Add appropriate LICENSE and Copyright message.	11 years ago