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Akanksha Mahajan 3653029dda Add stats related to async prefetching (#9845) 
Summary:
Add stats PREFETCHED_BYTES_DISCARDED and POLL_WAIT_MICROS.
PREFETCHED_BYTES_DISCARDED records number of prefetched bytes discarded by
FilePrefetchBuffer. POLL_WAIT_MICROS records the time taken by underling
file_system Poll API.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/9845

Test Plan: Update existing tests

Reviewed By: anand1976

Differential Revision: D35909694

Pulled By: akankshamahajan15

fbshipit-source-id: e009ef940bb9ed72c9446f5529095caabb8a1e36
 		2022-04-25 21:58:22 -07:00
..
delete_scheduler.cc Skip directory fsync for filesystem btrfs (#8903) 2021-11-03 12:21:27 -07:00
delete_scheduler.h Use SystemClock* instead of std::shared_ptr<SystemClock> in lower level routines (#8033) 2021-03-15 04:34:11 -07:00
delete_scheduler_test.cc Deflake DeleteSchedulerTest.StartBGEmptyTrashMultipleTimes (#9706) 2022-03-17 13:30:28 -07:00
file_prefetch_buffer.cc Add stats related to async prefetching (#9845) 2022-04-25 21:58:22 -07:00
file_prefetch_buffer.h Add stats related to async prefetching (#9845) 2022-04-25 21:58:22 -07:00
file_util.cc Avoid usage of ReopenWritableFile in db_stress (#9649) 2022-03-04 10:30:10 -08:00
file_util.h Avoid usage of ReopenWritableFile in db_stress (#9649) 2022-03-04 10:30:10 -08:00
filename.cc fixing issue #8345 RocksDB does not work when using UNC network paths (#9384) 2022-03-30 15:55:31 -07:00
filename.h Add (Live)FileStorageInfo API (#8968) 2021-10-16 10:04:32 -07:00
line_file_reader.cc Replace Status with IOStatus in the backupable_db (#8820) 2021-09-15 15:09:48 -07:00
line_file_reader.h Replace Status with IOStatus in the backupable_db (#8820) 2021-09-15 15:09:48 -07:00
prefetch_test.cc Add stats related to async prefetching (#9845) 2022-04-25 21:58:22 -07:00
random_access_file_reader.cc Update stats for Read and ReadAsync in random_access_file_reader for async prefetching (#9810) 2022-04-06 14:26:53 -07:00
random_access_file_reader.h Update stats for Read and ReadAsync in random_access_file_reader for async prefetching (#9810) 2022-04-06 14:26:53 -07:00
random_access_file_reader_test.cc Add rate limiter priority to ReadOptions (#9424) 2022-02-16 23:18:14 -08:00
read_write_util.cc Move old files to warm tier in FIFO compactions (#8310) 2021-08-09 12:51:14 -07:00
read_write_util.h Refactor: add LineFileReader and Status::MustCheck (#8026) 2021-03-09 20:12:38 -08:00
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 Make StringEnv, StringSink, StringSource use FS classes (#7786) 2021-01-04 16:01:01 -08:00
readahead_raf.h Make StringEnv, StringSink, StringSource use FS classes (#7786) 2021-01-04 16:01:01 -08:00
sequence_file_reader.cc Add file operation callbacks to SequentialFileReader (#8982) 2021-10-05 10:51:59 -07:00
sequence_file_reader.h Add listener API that notifies on IOError (#9177) 2021-11-18 17:11:19 -08:00
sst_file_manager_impl.cc Fix race condition in SstFileManagerImpl error recovery code (#9435) 2022-01-25 23:22:58 -08:00
sst_file_manager_impl.h Fix typo about file/sst_file_manager_impl.h (#9799) 2022-04-04 09:57:33 -07:00
writable_file_writer.cc Rate-limit automatic WAL flush after each user write (#9607) 2022-03-08 13:19:39 -08:00
writable_file_writer.h Conditionally declare and define variable that is unused in LITE mode (#9854) 2022-04-18 14:16:35 -07:00