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

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Yanqin Jin cef4a6c49f Compaction filter support for (new) BlobDB (#7974) ... Summary: Allow applications to implement a custom compaction filter and pass it to BlobDB. The compaction filter's custom logic can operate on blobs. To do so, application needs to subclass `CompactionFilter` abstract class and implement `FilterV2()` method. Optionally, a method called `ShouldFilterBlobByKey()` can be implemented if application's custom logic rely solely on the key to make a decision without reading the blob, thus saving extra IO. Examples can be found in db/blob/db_blob_compaction_test.cc. Pull Request resolved: https://github.com/facebook/rocksdb/pull/7974 Test Plan: make check Reviewed By: ltamasi Differential Revision: D26509280 Pulled By: riversand963 fbshipit-source-id: 59f9ae5614c4359de32f4f2b16684193cc537b39		4 years ago
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blob_compaction_filter.cc	In ParseInternalKey(), include corrupt key info in Status (#7515)	4 years ago
blob_compaction_filter.h	Compaction filter support for (new) BlobDB (#7974)	4 years ago
blob_db.cc	Destroy any ColumnFamilyHandles in BlobDB::Open upon error (#6763)	5 years ago
blob_db.h	Move kNoExpiration to blob_db.h (#7018)	4 years ago
blob_db_gc_stats.h	Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)	5 years ago
blob_db_impl.cc	Remove Legacy and Custom FileWrapper classes from header files (#7851)	4 years ago
blob_db_impl.h	Remove Legacy and Custom FileWrapper classes from header files (#7851)	4 years ago
blob_db_impl_filesnapshot.cc	Expose the start of the expiration range for TTL blob files through LiveFileMetaData (#7365)	4 years ago
blob_db_iterator.h	Add a SystemClock class to capture the time functions of an Env (#7858)	4 years ago
blob_db_listener.h	Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)	5 years ago
blob_db_test.cc	Add a SystemClock class to capture the time functions of an Env (#7858)	4 years ago
blob_dump_tool.cc	Make StringEnv, StringSink, StringSource use FS classes (#7786)	4 years ago
blob_dump_tool.h	Move blob_log_{format,reader,writer}.{cc,h} to db/blob/ (#6960)	4 years ago
blob_file.cc	Remove Legacy and Custom FileWrapper classes from header files (#7851)	4 years ago
blob_file.h	Remove Legacy and Custom FileWrapper classes from header files (#7851)	4 years ago