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rocksdb/table/block_based
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akankshamahajan 5b5b011cdd Avoid double block cache lookup during Seek with async_io option (#11616) 
Summary:
With the async_io option, the Seek happens in 2 phases. Phase 1 starts an asynchronous read on a block cache miss, and phase 2 waits for it to complete and finishes the seek. In both phases, BlockBasedTable::NewDataBlockIterator is called, which tries to lookup the block cache for the data block first before looking in the prefetch buffer. It's optimized by doing the block cache lookup only in the first phase and save some CPU.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/11616

Test Plan: Added unit test

Reviewed By: jaykorean

Differential Revision: D47477887

Pulled By: akankshamahajan15

fbshipit-source-id: 0355e0a68fc0ea2eb92340ae42735afcdbcbfd79
2023-09-18 11:32:30 -07:00
..
binary_search_index_reader.cc Add support to strip / pad timestamp when creating / reading a block based table (#11495) 2023-06-01 11:10:03 -07:00
binary_search_index_reader.h Extend Get/MultiGet deadline support to table open (#6982) 2020-06-29 14:53:17 -07:00
block.cc PutEntity Support in SST File Writer (#11688) 2023-08-10 18:16:10 -07:00
block.h Add support to strip / pad timestamp when writing / reading a block (#11472) 2023-05-25 15:41:32 -07:00
block_based_table_builder.cc Add CompressionOptions::checksum for enabling ZSTD checksum (#11666) 2023-08-18 15:01:59 -07:00
block_based_table_builder.h Record and use the tail size to prefetch table tail (#11406) 2023-05-08 13:14:28 -07:00
block_based_table_factory.cc fix typo (#11595) 2023-07-19 13:04:48 -07:00
block_based_table_factory.h Record and use the tail size to prefetch table tail (#11406) 2023-05-08 13:14:28 -07:00
block_based_table_iterator.cc Avoid double block cache lookup during Seek with async_io option (#11616) 2023-09-18 11:32:30 -07:00
block_based_table_iterator.h Implement trimming of readhead size when upper bound is specified (#11684) 2023-08-18 15:52:04 -07:00
block_based_table_reader.cc Avoid double block cache lookup during Seek with async_io option (#11616) 2023-09-18 11:32:30 -07:00
block_based_table_reader.h Avoid double block cache lookup during Seek with async_io option (#11616) 2023-09-18 11:32:30 -07:00
block_based_table_reader_impl.h Avoid double block cache lookup during Seek with async_io option (#11616) 2023-09-18 11:32:30 -07:00
block_based_table_reader_sync_and_async.h Avoid double block cache lookup during Seek with async_io option (#11616) 2023-09-18 11:32:30 -07:00
block_based_table_reader_test.cc Add support to strip / pad timestamp when creating / reading a block based table (#11495) 2023-06-01 11:10:03 -07:00
block_builder.cc Logically strip timestamp during flush (#11557) 2023-06-29 15:50:50 -07:00
block_builder.h Logically strip timestamp during flush (#11557) 2023-06-29 15:50:50 -07:00
block_cache.cc Block per key-value checksum (#11287) 2023-04-25 12:08:23 -07:00
block_cache.h Block per key-value checksum (#11287) 2023-04-25 12:08:23 -07:00
block_prefetcher.cc Implement trimming of readhead size when upper bound is specified (#11684) 2023-08-18 15:52:04 -07:00
block_prefetcher.h Update upper_bound_offset when reseek changes iterate_upper_bound dynamically (#11775) 2023-09-15 10:05:56 -07:00
block_prefix_index.cc Fix bug with kHashSearch and changing prefix_extractor with SetOptions (#10128) 2022-06-10 08:51:45 -07:00
block_prefix_index.h Fix bug with kHashSearch and changing prefix_extractor with SetOptions (#10128) 2022-06-10 08:51:45 -07:00
block_test.cc Fix use after move in data block hash index (#11505) 2023-06-08 11:04:43 -07:00
block_type.h Remove deprecated block-based filter (#10184) 2022-06-16 15:51:33 -07:00
cachable_entry.h HyperClockCache support for SecondaryCache, with refactoring (#11301) 2023-03-17 20:23:49 -07:00
data_block_footer.cc Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433) 2020-02-20 12:09:57 -08:00
data_block_footer.h Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433) 2020-02-20 12:09:57 -08:00
data_block_hash_index.cc Format files under table/ by clang-format (#10852) 2022-10-25 11:50:38 -07:00
data_block_hash_index.h Fix build with gcc 13 by including <cstdint> (#11118) 2023-01-25 14:30:32 -08:00
data_block_hash_index_test.cc Block per key-value checksum (#11287) 2023-04-25 12:08:23 -07:00
filter_block.h Record and use the tail size to prefetch table tail (#11406) 2023-05-08 13:14:28 -07:00
filter_block_reader_common.cc Avoid double block cache lookup during Seek with async_io option (#11616) 2023-09-18 11:32:30 -07:00
filter_block_reader_common.h Use user-provided ReadOptions for metadata block reads more often (#11208) 2023-04-04 16:53:14 -07:00
filter_policy.cc Make RibbonFilterPolicy::bloom_before_level mutable (SetOptions()) (#11838) 2023-09-15 15:46:10 -07:00
filter_policy_internal.h Make RibbonFilterPolicy::bloom_before_level mutable (SetOptions()) (#11838) 2023-09-15 15:46:10 -07:00
flush_block_policy.cc Change internal headers with duplicate names (#11408) 2023-05-17 11:27:09 -07:00
flush_block_policy_impl.h Change internal headers with duplicate names (#11408) 2023-05-17 11:27:09 -07:00
full_filter_block.cc Use user-provided ReadOptions for metadata block reads more often (#11208) 2023-04-04 16:53:14 -07:00
full_filter_block.h Use user-provided ReadOptions for metadata block reads more often (#11208) 2023-04-04 16:53:14 -07:00
full_filter_block_test.cc Use user-provided ReadOptions for metadata block reads more often (#11208) 2023-04-04 16:53:14 -07:00
hash_index_reader.cc Add support to strip / pad timestamp when creating / reading a block based table (#11495) 2023-06-01 11:10:03 -07:00
hash_index_reader.h Extend Get/MultiGet deadline support to table open (#6982) 2020-06-29 14:53:17 -07:00
index_builder.cc Add support to strip / pad timestamp when creating / reading a block based table (#11495) 2023-06-01 11:10:03 -07:00
index_builder.h Remove some useless qualifier (#11596) 2023-07-20 13:43:26 -07:00
index_reader_common.cc Avoid double block cache lookup during Seek with async_io option (#11616) 2023-09-18 11:32:30 -07:00
index_reader_common.h Add support to strip / pad timestamp when creating / reading a block based table (#11495) 2023-06-01 11:10:03 -07:00
mock_block_based_table.h Remove deprecated block-based filter (#10184) 2022-06-16 15:51:33 -07:00
parsed_full_filter_block.cc Hide FilterBits{Builder,Reader} from public API (#9592) 2022-02-17 16:34:46 -08:00
parsed_full_filter_block.h Major Cache refactoring, CPU efficiency improvement (#10975) 2023-01-11 14:20:40 -08:00
partitioned_filter_block.cc Avoid double block cache lookup during Seek with async_io option (#11616) 2023-09-18 11:32:30 -07:00
partitioned_filter_block.h Add support to strip / pad timestamp when creating / reading a block based table (#11495) 2023-06-01 11:10:03 -07:00
partitioned_filter_block_test.cc Add support to strip / pad timestamp when creating / reading a block based table (#11495) 2023-06-01 11:10:03 -07:00
partitioned_index_iterator.cc Avoid double block cache lookup during Seek with async_io option (#11616) 2023-09-18 11:32:30 -07:00
partitioned_index_iterator.h Format files under table/ by clang-format (#10852) 2022-10-25 11:50:38 -07:00
partitioned_index_reader.cc Avoid double block cache lookup during Seek with async_io option (#11616) 2023-09-18 11:32:30 -07:00
partitioned_index_reader.h Record and use the tail size to prefetch table tail (#11406) 2023-05-08 13:14:28 -07:00
reader_common.cc format_version=6 and context-aware block checksums (#9058) 2023-07-30 16:40:01 -07:00
reader_common.h format_version=6 and context-aware block checksums (#9058) 2023-07-30 16:40:01 -07:00
uncompression_dict_reader.cc Avoid double block cache lookup during Seek with async_io option (#11616) 2023-09-18 11:32:30 -07:00
uncompression_dict_reader.h Group rocksdb.sst.read.micros stat by IOActivity flush and compaction (#11288) 2023-04-21 09:07:18 -07:00