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akankshamahajan fbd2f563bb Add an interface to provide support for underlying FS to pass their own buffer during reads (#11324) 
Summary:
1. Public API change: Replace `use_async_io`  API in file_system with `SupportedOps` API which is used by underlying FileSystem to indicate to upper layers whether the FileSystem supports different operations introduced in `enum FSSupportedOps `. Right now operations are `async_io` and whether FS will provide its own buffer during reads or not. The api is changed to extend it to various FileSystem operations in one API rather than creating a separate API for each operation.

2. Provide support for underlying FS to pass their own buffer during Reads (async and sync read) instead of using RocksDB provided `scratch` (buffer) in `FSReadRequest`. Currently only MultiRead supports it and later will be extended to other reads as well (point lookup, scan etc). More details in how to enable in file_system.h

Pull Request resolved: https://github.com/facebook/rocksdb/pull/11324

Test Plan: Tested locally

Reviewed By: anand1976

Differential Revision: D44465322

Pulled By: akankshamahajan15

fbshipit-source-id: 9ec9e08f839b5cc815e75d5dade6cd549998d0ec
 		2023-06-23 11:48:49 -07:00
..
blob_constants.h Move BlobDB related files under db/ to db/blob/ (#6519) 2020-03-12 11:00:56 -07:00
blob_contents.cc Major Cache refactoring, CPU efficiency improvement (#10975) 2023-01-11 14:20:40 -08:00
blob_contents.h Change internal headers with duplicate names (#11408) 2023-05-17 11:27:09 -07:00
blob_counting_iterator.h Refactor AddRangeDels() + consider range tombstone during compaction file cutting (#11113) 2023-02-22 12:28:18 -08:00
blob_counting_iterator_test.cc Print stack traces on frozen tests in CI (#10828) 2022-10-18 00:35:35 -07:00
blob_fetcher.cc Support readahead during compaction for blob files (#9187) 2021-11-19 17:53:47 -08:00
blob_fetcher.h Support readahead during compaction for blob files (#9187) 2021-11-19 17:53:47 -08:00
blob_file_addition.cc Print blob file checksums as hex (#8437) 2021-06-22 09:49:44 -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_addition_test.cc Print stack traces on frozen tests in CI (#10828) 2022-10-18 00:35:35 -07:00
blob_file_builder.cc Changes and enhancements to compression stats, thresholds (#11388) 2023-04-21 21:57:40 -07:00
blob_file_builder.h Support prepopulating/warming the blob cache (#10298) 2022-07-17 07:13:59 -07:00
blob_file_builder_test.cc Print stack traces on frozen tests in CI (#10828) 2022-10-18 00:35:35 -07:00
blob_file_cache.cc Improve memory efficiency of many OptimisticTransactionDBs (#11439) 2023-05-24 11:57:15 -07:00
blob_file_cache.h Improve memory efficiency of many OptimisticTransactionDBs (#11439) 2023-05-24 11:57:15 -07:00
blob_file_cache_test.cc Group rocksdb.sst.read.micros stat by IOActivity flush and compaction (#11288) 2023-04-21 09:07:18 -07:00
blob_file_completion_callback.h Remove RocksDB LITE (#11147) 2023-01-27 13:14:19 -08:00
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_garbage_test.cc Print stack traces on frozen tests in CI (#10828) 2022-10-18 00:35:35 -07:00
blob_file_meta.cc Add BlobMetaData retrieval methods (#8273) 2021-06-28 08:13:29 -07:00
blob_file_meta.h Add BlobMetaData retrieval methods (#8273) 2021-06-28 08:13:29 -07:00
blob_file_reader.cc Add an interface to provide support for underlying FS to pass their own buffer during reads (#11324) 2023-06-23 11:48:49 -07:00
blob_file_reader.h Group rocksdb.sst.read.micros stat by IOActivity flush and compaction (#11288) 2023-04-21 09:07:18 -07:00
blob_file_reader_test.cc Group rocksdb.sst.read.micros stat by IOActivity flush and compaction (#11288) 2023-04-21 09:07:18 -07:00
blob_garbage_meter.cc Add a class for measuring the amount of garbage generated during compaction (#8426) 2021-06-21 22:25:30 -07:00
blob_garbage_meter.h Add a class for measuring the amount of garbage generated during compaction (#8426) 2021-06-21 22:25:30 -07:00
blob_garbage_meter_test.cc Print stack traces on frozen tests in CI (#10828) 2022-10-18 00:35:35 -07:00
blob_index.h Remove local static string (#8103) 2022-08-05 23:03:51 -07:00
blob_log_format.cc Remove local static string (#8103) 2022-08-05 23:03:51 -07:00
blob_log_format.h Run clang-format on db/blob/ (#10856) 2022-10-24 16:00:32 -07:00
blob_log_sequential_reader.cc Change internal headers with duplicate names (#11408) 2023-05-17 11:27:09 -07:00
blob_log_sequential_reader.h Fix a issue with initializing blob header buffer (#8537) 2021-08-02 17:15:06 -07:00
blob_log_writer.cc Change internal headers with duplicate names (#11408) 2023-05-17 11:27:09 -07:00
blob_log_writer.h Use SystemClock* instead of std::shared_ptr<SystemClock> in lower level routines (#8033) 2021-03-15 04:34:11 -07:00
blob_read_request.h Enable blob caching for MultiGetBlob in RocksDB (#10272) 2022-06-30 13:24:35 -07:00
blob_source.cc Change internal headers with duplicate names (#11408) 2023-05-17 11:27:09 -07:00
blob_source.h Group rocksdb.sst.read.micros stat by IOActivity flush and compaction (#11288) 2023-04-21 09:07:18 -07:00
blob_source_test.cc Group rocksdb.sst.read.micros stat by IOActivity flush and compaction (#11288) 2023-04-21 09:07:18 -07:00
db_blob_basic_test.cc Fix backward iteration issue when user defined timestamp is enabled in BlobDB (#11258) 2023-03-01 13:28:54 -08:00
db_blob_compaction_test.cc Remove RocksDB LITE (#11147) 2023-01-27 13:14:19 -08:00
db_blob_corruption_test.cc Remove RocksDB LITE (#11147) 2023-01-27 13:14:19 -08:00
db_blob_index_test.cc Remove RocksDB LITE (#11147) 2023-01-27 13:14:19 -08:00
prefetch_buffer_collection.cc Support readahead during compaction for blob files (#9187) 2021-11-19 17:53:47 -08:00
prefetch_buffer_collection.h Support readahead during compaction for blob files (#9187) 2021-11-19 17:53:47 -08:00