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

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Gang Liao c965c9ef65 Read blob from blob cache if exists when GetBlob() (#10178) ... Summary: There is currently no caching mechanism for blobs, which is not ideal especially when the database resides on remote storage (where we cannot rely on the OS page cache). As part of this task, we would like to make it possible for the application to configure a blob cache. In this task, we added a new abstraction layer `BlobSource` to retrieve blobs from either blob cache or raw blob file. Note: For simplicity, the current PR only includes `GetBlob()`. `MultiGetBlob()` will be included in the next PR. This PR is a part of https://github.com/facebook/rocksdb/issues/10156 Pull Request resolved: https://github.com/facebook/rocksdb/pull/10178 Reviewed By: ltamasi Differential Revision: D37250507 Pulled By: gangliao fbshipit-source-id: 3fc4a55a0cea955a3147bdc7dba06430e377259b		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	Make SystemClock into a Customizable Class (#8636)	3 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	Add rate limiter priority to ReadOptions (#9424)	3 years ago
blob_file_reader.h	Add rate limiter priority to ReadOptions (#9424)	3 years ago
blob_file_reader_test.cc	Support readahead during compaction for blob files (#9187)	3 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_source.cc	Read blob from blob cache if exists when GetBlob() (#10178)	2 years ago
blob_source.h	Read blob from blob cache if exists when GetBlob() (#10178)	2 years ago
blob_source_test.cc	Read blob from blob cache if exists when GetBlob() (#10178)	2 years ago
db_blob_basic_test.cc	Propagate errors from UpdateBoundaries (#9851)	3 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