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akankshamahajan b9cb7b9644 Provide support for FSBuffer for point lookups (#12266) 
Summary:
Provide support for FSBuffer for point lookups

It also add support for compaction and scan reads that goes through BlockFetcher when readahead/prefetching is not enabled.

Some of the compaction/Scan reads goes through FilePrefetchBuffer and some through BlockFetcher. This PR add support to use underlying file system scratch buffer for reads that go through BlockFetcher as for FilePrefetch reads, design is complicated to support this feature.

Design - In order to use underlying FileSystem provided scratch for Reads, it uses MultiRead with 1 request instead of Read API which required API change.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/12266

Test Plan: Stress test using underlying file system  scratch buffer internally.

Reviewed By: anand1976

Differential Revision: D53019089

Pulled By: akankshamahajan15

fbshipit-source-id: 4fe3d090d77363320e4b67186fd4d51c005c0961
2024-01-29 15:08:20 -08:00
..
adaptive Remove unnecessary, confusing 'extern' (#12300) 2024-01-29 10:38:08 -08:00
block_based Provide support for FSBuffer for point lookups (#12266) 2024-01-29 15:08:20 -08:00
cuckoo Remove unnecessary, confusing 'extern' (#12300) 2024-01-29 10:38:08 -08:00
plain Remove unnecessary, confusing 'extern' (#12300) 2024-01-29 10:38:08 -08:00
block_fetcher.cc Provide support for FSBuffer for point lookups (#12266) 2024-01-29 15:08:20 -08:00
block_fetcher.h Provide support for FSBuffer for point lookups (#12266) 2024-01-29 15:08:20 -08:00
block_fetcher_test.cc Group SST write in flush, compaction and db open with new stats (#11910) 2023-12-29 15:29:23 -08:00
cleanable_test.cc Eliminate unnecessary (slow) block cache Ref()ing in MultiGet (#9899) 2022-04-26 21:59:24 -07:00
compaction_merging_iterator.cc Fix a bug where iterator status is not checked (#11782) 2023-09-01 09:34:08 -07:00
compaction_merging_iterator.h Refactor AddRangeDels() + consider range tombstone during compaction file cutting (#11113) 2023-02-22 12:28:18 -08:00
format.cc Remove unnecessary, confusing 'extern' (#12300) 2024-01-29 10:38:08 -08:00
format.h Remove unnecessary, confusing 'extern' (#12300) 2024-01-29 10:38:08 -08:00
get_context.cc Eliminate some code duplication in MergeHelper (#12121) 2023-12-05 14:07:42 -08:00
get_context.h Fix rowcache get returning incorrect timestamp (#11952) 2023-11-21 20:39:33 -08:00
internal_iterator.h Remove unnecessary, confusing 'extern' (#12300) 2024-01-29 10:38:08 -08:00
iter_heap.h Format files under table/ by clang-format (#10852) 2022-10-25 11:50:38 -07:00
iterator.cc Format files under table/ by clang-format (#10852) 2022-10-25 11:50:38 -07:00
iterator_wrapper.h Remove unnecessary, confusing 'extern' (#12300) 2024-01-29 10:38:08 -08:00
merger_test.cc internal_repo_rocksdb (435146444452818992) (#12115) 2023-12-01 11:15:17 -08:00
merging_iterator.cc Add new Iterator API Refresh(const snapshot*) (#10594) 2023-09-15 10:44:43 -07:00
merging_iterator.h Remove unnecessary, confusing 'extern' (#12300) 2024-01-29 10:38:08 -08:00
meta_blocks.cc Ensure and clarify how RocksDB calls TablePropertiesCollector's functions (#12053) 2023-11-08 14:00:36 -08:00
meta_blocks.h Ensure and clarify how RocksDB calls TablePropertiesCollector's functions (#12053) 2023-11-08 14:00:36 -08:00
mock_table.cc Group SST write in flush, compaction and db open with new stats (#11910) 2023-12-29 15:29:23 -08:00
mock_table.h Align compaction output file boundaries to the next level ones (#10655) 2022-09-29 19:43:55 -07:00
multiget_context.h Add a new MultiGetEntity API (#11222) 2023-02-15 09:34:17 -08:00
persistent_cache_helper.cc Format files under table/ by clang-format (#10852) 2022-10-25 11:50:38 -07:00
persistent_cache_helper.h Change internal headers with duplicate names (#11408) 2023-05-17 11:27:09 -07:00
persistent_cache_options.h Change internal headers with duplicate names (#11408) 2023-05-17 11:27:09 -07:00
scoped_arena_iterator.h Format files under table/ by clang-format (#10852) 2022-10-25 11:50:38 -07:00
sst_file_dumper.cc Remove unnecessary, confusing 'extern' (#12300) 2024-01-29 10:38:08 -08:00
sst_file_dumper.h sst_dump support cuckoo table (#12098) 2023-11-30 08:06:37 -08:00
sst_file_reader.cc internal_repo_rocksdb (435146444452818992) (#12115) 2023-12-01 11:15:17 -08:00
sst_file_reader_test.cc Enforce status checking after Valid() returns false for IteratorWrapper (#11975) 2023-10-18 09:38:38 -07:00
sst_file_writer.cc Add some missing status checks in SstFileWriter (#12281) 2024-01-25 10:44:00 -08:00
sst_file_writer_collectors.h Refactor to avoid confusing "raw block" (#10408) 2022-09-22 11:25:32 -07:00
table_builder.h Fix/cleanup SeqnoToTimeMapping (#12253) 2024-01-19 21:50:38 -08:00
table_factory.cc Remove FactoryFunc from LoadXXXObject (#11203) 2023-02-17 12:54:07 -08:00
table_properties.cc Fix/cleanup SeqnoToTimeMapping (#12253) 2024-01-19 21:50:38 -08:00
table_properties_internal.h Improve / clean up meta block code & integrity (#9163) 2021-11-18 11:43:44 -08:00
table_reader.h Add new Iterator API Refresh(const snapshot*) (#10594) 2023-09-15 10:44:43 -07:00
table_reader_bench.cc Group SST write in flush, compaction and db open with new stats (#11910) 2023-12-29 15:29:23 -08:00
table_test.cc Remove unnecessary, confusing 'extern' (#12300) 2024-01-29 10:38:08 -08:00
two_level_iterator.cc internal_repo_rocksdb (435146444452818992) (#12115) 2023-12-01 11:15:17 -08:00
two_level_iterator.h Remove unnecessary, confusing 'extern' (#12300) 2024-01-29 10:38:08 -08:00
unique_id.cc internal_repo_rocksdb (435146444452818992) (#12115) 2023-12-01 11:15:17 -08:00
unique_id_impl.h Derive cache keys from SST unique IDs (#10394) 2022-08-12 13:49:49 -07:00