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akankshamahajan f65a0379f0 Implement trimming of readhead size when upper bound is specified (#11684) 
Summary:
Implement trimming of readahead_size under a new option ReadOptions.auto_readahead_size. It'll trim the readahead_size during prefetching upto iterate_upper_bound offset only when ReadOptions.iterate_upper_bound is set, therefore reducing the prefetching of data beyond upper_bound.
It's enabled for both implicit auto readahead size and when ReadOptions.readahead_size is specified and for sync and async_io.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/11684

Test Plan: Added new unit test

Reviewed By: anand1976

Differential Revision: D48479723

Pulled By: akankshamahajan15

fbshipit-source-id: 2b1703579caf779105e836b580866ffd7db076fc
2023-08-18 15:52:04 -07:00
..
delete_scheduler.cc Add a ticker to track number of trash files deleted in background thread (#11540) 2023-06-16 10:05:25 -07:00
delete_scheduler.h Remove RocksDB LITE (#11147) 2023-01-27 13:14:19 -08:00
delete_scheduler_test.cc Add missing status check when compiling with ASSERT_STATUS_CHECKED=1 (#11686) 2023-08-09 15:46:44 -07:00
file_prefetch_buffer.cc Implement trimming of readhead size when upper bound is specified (#11684) 2023-08-18 15:52:04 -07:00
file_prefetch_buffer.h Implement trimming of readhead size when upper bound is specified (#11684) 2023-08-18 15:52:04 -07:00
file_util.cc Group rocksdb.sst.read.micros stat by different user read IOActivity + misc (#11444) 2023-08-08 17:26:50 -07:00
file_util.h Group rocksdb.sst.read.micros stat by different user read IOActivity + misc (#11444) 2023-08-08 17:26:50 -07:00
filename.cc Run Clang format on file folder (#10860) 2022-10-24 18:34:52 -07:00
filename.h Run Clang format on file folder (#10860) 2022-10-24 18:34:52 -07:00
line_file_reader.cc Support read rate-limiting in SequentialFileReader (#9973) 2022-05-24 10:28:57 -07:00
line_file_reader.h Support read rate-limiting in SequentialFileReader (#9973) 2022-05-24 10:28:57 -07:00
prefetch_test.cc Implement trimming of readhead size when upper bound is specified (#11684) 2023-08-18 15:52:04 -07:00
random_access_file_reader.cc Group rocksdb.sst.read.micros stat by different user read IOActivity + misc (#11444) 2023-08-08 17:26:50 -07:00
random_access_file_reader.h Group rocksdb.sst.read.micros stat by different user read IOActivity + misc (#11444) 2023-08-08 17:26:50 -07:00
random_access_file_reader_test.cc Group rocksdb.sst.read.micros stat by different user read IOActivity + misc (#11444) 2023-08-08 17:26:50 -07:00
read_write_util.cc Run Clang format on file folder (#10860) 2022-10-24 18:34:52 -07:00
read_write_util.h Run Clang format on file folder (#10860) 2022-10-24 18:34:52 -07:00
readahead_file_info.h Reuse internal auto readhead_size at each Level (expect L0) for Iterations (#9056) 2021-11-10 16:20:04 -08:00
readahead_raf.cc Change internal headers with duplicate names (#11408) 2023-05-17 11:27:09 -07:00
readahead_raf.h Make StringEnv, StringSink, StringSource use FS classes (#7786) 2021-01-04 16:01:01 -08:00
sequence_file_reader.cc Change internal headers with duplicate names (#11408) 2023-05-17 11:27:09 -07:00
sequence_file_reader.h Group rocksdb.sst.read.micros stat by different user read IOActivity + misc (#11444) 2023-08-08 17:26:50 -07:00
sst_file_manager_impl.cc Remove RocksDB LITE (#11147) 2023-01-27 13:14:19 -08:00
sst_file_manager_impl.h Remove RocksDB LITE (#11147) 2023-01-27 13:14:19 -08:00
writable_file_writer.cc Change internal headers with duplicate names (#11408) 2023-05-17 11:27:09 -07:00
writable_file_writer.h Remove RocksDB LITE (#11147) 2023-01-27 13:14:19 -08:00