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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
..
file_read_sample.h Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433) 2020-02-20 12:09:57 -08:00
histogram.cc clang format files under monitoring/ (#10857) 2022-10-24 20:45:54 -07:00
histogram.h clang format files under monitoring/ (#10857) 2022-10-24 20:45:54 -07:00
histogram_test.cc clang format files under monitoring/ (#10857) 2022-10-24 20:45:54 -07:00
histogram_windowing.cc clang format files under monitoring/ (#10857) 2022-10-24 20:45:54 -07:00
histogram_windowing.h clang format files under monitoring/ (#10857) 2022-10-24 20:45:54 -07:00
in_memory_stats_history.cc clang format files under monitoring/ (#10857) 2022-10-24 20:45:54 -07:00
in_memory_stats_history.h Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433) 2020-02-20 12:09:57 -08:00
instrumented_mutex.cc Inject spurious wakeup and sleep before acquiring db mutex to expose race condition (#10291) 2022-09-12 13:55:23 -07:00
instrumented_mutex.h Change internal headers with duplicate names (#11408) 2023-05-17 11:27:09 -07:00
iostats_context.cc clang format files under monitoring/ (#10857) 2022-10-24 20:45:54 -07:00
iostats_context_imp.h Fix build error with NIOSTATS_CONTEXT (#10506) 2022-08-23 15:00:14 -07:00
iostats_context_test.cc clang format files under monitoring/ (#10857) 2022-10-24 20:45:54 -07:00
perf_context.cc Block fetch CPU time counters in perf context (#11342) 2023-04-15 11:09:44 -07:00
perf_context_imp.h Remove ROCKSDB_SUPPORT_THREAD_LOCAL define because it's a part of C++11 (#10015) 2022-05-18 15:25:19 -07:00
perf_level.cc clang format files under monitoring/ (#10857) 2022-10-24 20:45:54 -07:00
perf_level_imp.h clang format files under monitoring/ (#10857) 2022-10-24 20:45:54 -07:00
perf_step_timer.h Change internal headers with duplicate names (#11408) 2023-05-17 11:27:09 -07:00
persistent_stats_history.cc clang format files under monitoring/ (#10857) 2022-10-24 20:45:54 -07:00
persistent_stats_history.h Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433) 2020-02-20 12:09:57 -08:00
statistics.cc Implement trimming of readhead size when upper bound is specified (#11684) 2023-08-18 15:52:04 -07:00
statistics_impl.h Change internal headers with duplicate names (#11408) 2023-05-17 11:27:09 -07:00
statistics_test.cc Remove RocksDB LITE (#11147) 2023-01-27 13:14:19 -08:00
stats_history_test.cc Remove RocksDB LITE (#11147) 2023-01-27 13:14:19 -08:00
thread_status_impl.cc Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433) 2020-02-20 12:09:57 -08:00
thread_status_updater.cc Group rocksdb.sst.read.micros stat by IOActivity flush and compaction (#11288) 2023-04-21 09:07:18 -07:00
thread_status_updater.h Group rocksdb.sst.read.micros stat by IOActivity flush and compaction (#11288) 2023-04-21 09:07:18 -07:00
thread_status_updater_debug.cc Replace reinterpret_cast with static_cast_with_check (#7067) 2020-07-02 19:25:41 -07:00
thread_status_util.cc Group rocksdb.sst.read.micros stat by IOActivity flush and compaction (#11288) 2023-04-21 09:07:18 -07:00
thread_status_util.h Group rocksdb.sst.read.micros stat by IOActivity flush and compaction (#11288) 2023-04-21 09:07:18 -07:00
thread_status_util_debug.cc Group rocksdb.sst.read.micros stat by different user read IOActivity + misc (#11444) 2023-08-08 17:26:50 -07:00