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

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yiwu-arbug 5b68b114f1 Blob db create a snapshot before every read ... Summary: If GC kicks in between * A Get() reads index entry from base db. * The Get() read from a blob file The GC can delete the corresponding blob file, making the key not found. Fortunately we have existing logic to avoid deleting a blob file if it is referenced by a snapshot. So the fix is to explicitly create a snapshot before reading index entry from base db. Closes https://github.com/facebook/rocksdb/pull/2754 Differential Revision: D5655956 Pulled By: yiwu-arbug fbshipit-source-id: e4ccbc51331362542e7343175bbcbdea5830f544		7 years ago
..
blob_db.cc	Dump Blob DB options to info log	7 years ago
blob_db.h	Update all blob db TTL and timestamps to uint64_t	7 years ago
blob_db_impl.cc	Blob db create a snapshot before every read	7 years ago
blob_db_impl.h	Blob db create a snapshot before every read	7 years ago
blob_db_test.cc	Blob db create a snapshot before every read	7 years ago
blob_dump_tool.cc	Update all blob db TTL and timestamps to uint64_t	7 years ago
blob_dump_tool.h	Change RocksDB License	7 years ago
blob_file.cc	Update all blob db TTL and timestamps to uint64_t	7 years ago
blob_log_format.cc	Update all blob db TTL and timestamps to uint64_t	7 years ago
blob_log_format.h	Update all blob db TTL and timestamps to uint64_t	7 years ago
blob_log_reader.cc	Fix blob DB transaction usage while GC	7 years ago
blob_log_reader.h	Fix blob DB transaction usage while GC	7 years ago
blob_log_writer.cc	Update all blob db TTL and timestamps to uint64_t	7 years ago
blob_log_writer.h	Update all blob db TTL and timestamps to uint64_t	7 years ago
ttl_extractor.cc	Move blob_db/ttl_extractor.h into blob_db/blob_db.h	7 years ago