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

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Gang Liao 95ef007adc Support using secondary cache with the blob cache (#10349) ... Summary: RocksDB supports a two-level cache hierarchy (see https://rocksdb.org/blog/2021/05/27/rocksdb-secondary-cache.html), where items evicted from the primary cache can be spilled over to the secondary cache, or items from the secondary cache can be promoted to the primary one. We have a CacheLib-based non-volatile secondary cache implementation that can be used to improve read latencies and reduce the amount of network bandwidth when using distributed file systems. In addition, we have recently implemented a compressed secondary cache that can be used as a replacement for the OS page cache when e.g. direct I/O is used. The goals of this task are to add support for using a secondary cache with the blob cache and to measure the potential performance gains using `db_bench`. This task is a part of https://github.com/facebook/rocksdb/issues/10156 Pull Request resolved: https://github.com/facebook/rocksdb/pull/10349 Reviewed By: ltamasi Differential Revision: D37896773 Pulled By: gangliao fbshipit-source-id: 7804619ce4a44b73d9e11ad606640f9385969c84		2 years ago
..
blob_constants.h	Move BlobDB related files under db/ to db/blob/ (#6519)	5 years ago
blob_counting_iterator.h	Log the amount of blob garbage generated by compactions in the MANIFEST (#8450)	3 years ago
blob_counting_iterator_test.cc	Cleanup multiple implementations of VectorIterator (#8901)	3 years ago
blob_fetcher.cc	Support readahead during compaction for blob files (#9187)	3 years ago
blob_fetcher.h	Support readahead during compaction for blob files (#9187)	3 years ago
blob_file_addition.cc	Print blob file checksums as hex (#8437)	3 years ago
blob_file_addition.h	Move BlobDB related files under db/ to db/blob/ (#6519)	5 years ago
blob_file_addition_test.cc	Print blob file checksums as hex (#8437)	3 years ago
blob_file_builder.cc	Expose blob file information through the EventListener interface (#8675)	3 years ago
blob_file_builder.h	Expose blob file information through the EventListener interface (#8675)	3 years ago
blob_file_builder_test.cc	Make SystemClock into a Customizable Class (#8636)	3 years ago
blob_file_cache.cc	Rename ImmutableOptions variables (#8409)	3 years ago
blob_file_cache.h	Rename ImmutableOptions variables (#8409)	3 years ago
blob_file_cache_test.cc	Have Cache use Status::MemoryLimit (#10262)	2 years ago
blob_file_completion_callback.h	Fix LITE mode builds on MacOs (#8981)	3 years ago
blob_file_garbage.cc	Move BlobDB related files under db/ to db/blob/ (#6519)	5 years ago
blob_file_garbage.h	Move BlobDB related files under db/ to db/blob/ (#6519)	5 years ago
blob_file_garbage_test.cc	Move BlobDB related files under db/ to db/blob/ (#6519)	5 years ago
blob_file_meta.cc	Add BlobMetaData retrieval methods (#8273)	3 years ago
blob_file_meta.h	Add BlobMetaData retrieval methods (#8273)	3 years ago
blob_file_reader.cc	Enable blob caching for MultiGetBlob in RocksDB (#10272)	2 years ago
blob_file_reader.h	Enable blob caching for MultiGetBlob in RocksDB (#10272)	2 years ago
blob_file_reader_test.cc	Enable blob caching for MultiGetBlob in RocksDB (#10272)	2 years ago
blob_garbage_meter.cc	Add a class for measuring the amount of garbage generated during compaction (#8426)	3 years ago
blob_garbage_meter.h	Add a class for measuring the amount of garbage generated during compaction (#8426)	3 years ago
blob_garbage_meter_test.cc	Add a class for measuring the amount of garbage generated during compaction (#8426)	3 years ago
blob_index.h	Remove own ToString() (#9955)	3 years ago
blob_log_format.cc	Introduce BlobFileCache and add support for blob files to Get() (#7540)	4 years ago
blob_log_format.h	Add a class for measuring the amount of garbage generated during compaction (#8426)	3 years ago
blob_log_sequential_reader.cc	Add rate limiter priority to ReadOptions (#9424)	3 years ago
blob_log_sequential_reader.h	Fix a issue with initializing blob header buffer (#8537)	3 years ago
blob_log_writer.cc	Use SystemClock* instead of std::shared_ptr<SystemClock> in lower level routines (#8033)	4 years ago
blob_log_writer.h	Use SystemClock* instead of std::shared_ptr<SystemClock> in lower level routines (#8033)	4 years ago
blob_read_request.h	Enable blob caching for MultiGetBlob in RocksDB (#10272)	2 years ago
blob_source.cc	Support using secondary cache with the blob cache (#10349)	2 years ago
blob_source.h	Support using secondary cache with the blob cache (#10349)	2 years ago
blob_source_test.cc	Support using secondary cache with the blob cache (#10349)	2 years ago
db_blob_basic_test.cc	Enable blob caching for MultiGetBlob in RocksDB (#10272)	2 years ago
db_blob_compaction_test.cc	Fix LITE build (#10106)	2 years ago
db_blob_corruption_test.cc	Enable a few unit tests to use custom Env objects (#9087)	3 years ago
db_blob_index_test.cc	Remove own ToString() (#9955)	3 years ago
prefetch_buffer_collection.cc	Support readahead during compaction for blob files (#9187)	3 years ago
prefetch_buffer_collection.h	Support readahead during compaction for blob files (#9187)	3 years ago