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cef4a6c49f
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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
2021-02-25 16:32:35 -08:00
..
blob_constants.h Move BlobDB related files under db/ to db/blob/ (#6519) 2020-03-12 11:00:56 -07:00
blob_file_addition_test.cc Move BlobDB related files under db/ to db/blob/ (#6519) 2020-03-12 11:00:56 -07:00
blob_file_addition.cc Move BlobDB related files under db/ to db/blob/ (#6519) 2020-03-12 11:00:56 -07:00
blob_file_addition.h Move BlobDB related files under db/ to db/blob/ (#6519) 2020-03-12 11:00:56 -07:00
blob_file_builder_test.cc Add support for IOTracing in blob files (#7958) 2021-02-16 09:49:10 -08:00
blob_file_builder.cc Add support for IOTracing in blob files (#7958) 2021-02-16 09:49:10 -08:00
blob_file_builder.h Add support for IOTracing in blob files (#7958) 2021-02-16 09:49:10 -08:00
blob_file_cache_test.cc Add support for IOTracing in blob files (#7958) 2021-02-16 09:49:10 -08:00
blob_file_cache.cc Add support for IOTracing in blob files (#7958) 2021-02-16 09:49:10 -08:00
blob_file_cache.h Add support for IOTracing in blob files (#7958) 2021-02-16 09:49:10 -08:00
blob_file_garbage_test.cc Move BlobDB related files under db/ to db/blob/ (#6519) 2020-03-12 11:00:56 -07:00
blob_file_garbage.cc Move BlobDB related files under db/ to db/blob/ (#6519) 2020-03-12 11:00:56 -07:00
blob_file_garbage.h Move BlobDB related files under db/ to db/blob/ (#6519) 2020-03-12 11:00:56 -07:00
blob_file_meta.cc Maintain the set of linked SSTs in BlobFileMetaData (#6945) 2020-06-12 09:54:39 -07:00
blob_file_meta.h Maintain the set of linked SSTs in BlobFileMetaData (#6945) 2020-06-12 09:54:39 -07:00
blob_file_reader_test.cc Add support for IOTracing in blob files (#7958) 2021-02-16 09:49:10 -08:00
blob_file_reader.cc Add support for IOTracing in blob files (#7958) 2021-02-16 09:49:10 -08:00
blob_file_reader.h Add support for IOTracing in blob files (#7958) 2021-02-16 09:49:10 -08:00
blob_index.h Introduce a blob file reader class (#7461) 2020-10-07 15:44:53 -07:00
blob_log_format.cc Introduce BlobFileCache and add support for blob files to Get() (#7540) 2020-10-15 13:04:47 -07:00
blob_log_format.h Introduce BlobFileCache and add support for blob files to Get() (#7540) 2020-10-15 13:04:47 -07:00
blob_log_sequential_reader.cc Add a SystemClock class to capture the time functions of an Env (#7858) 2021-01-25 22:09:11 -08:00
blob_log_sequential_reader.h Add a SystemClock class to capture the time functions of an Env (#7858) 2021-01-25 22:09:11 -08:00
blob_log_writer.cc Add a SystemClock class to capture the time functions of an Env (#7858) 2021-01-25 22:09:11 -08:00
blob_log_writer.h Add a SystemClock class to capture the time functions of an Env (#7858) 2021-01-25 22:09:11 -08:00
db_blob_basic_test.cc Compaction filter support for (new) BlobDB (#7974) 2021-02-25 16:32:35 -08:00
db_blob_compaction_test.cc Compaction filter support for (new) BlobDB (#7974) 2021-02-25 16:32:35 -08:00
db_blob_corruption_test.cc Extend VerifyFileChecksums API for blob files (#7979) 2021-02-22 22:09:22 -08:00
db_blob_index_test.cc Add further tests to ASSERT_STATUS_CHECKED (2) (#7698) 2020-12-09 21:21:16 -08:00