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anand76 e81393e81e Add some stats to observe the usefulness of scan prefetching (#11981) 
Summary:
Add stats for better observability of scan prefetching. Its only implemented for sync scan right now. These stats can help inform future improvements in scan prefetching.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/11981

Test Plan: Add a new unit test

Reviewed By: akankshamahajan15

Differential Revision: D50516505

Pulled By: anand1976

fbshipit-source-id: cb1cc6cf02df8295930a49c62b11870020df3f97
 		2023-10-23 14:42:44 -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 Add some stats to observe the usefulness of scan prefetching (#11981) 2023-10-23 14:42:44 -07:00
file_prefetch_buffer.h Add some stats to observe the usefulness of scan prefetching (#11981) 2023-10-23 14:42:44 -07:00
file_util.cc Fix a bug of rocksdb.file.read.verify.file.checksums.micros not being populated (#11836) 2023-09-15 10:36:14 -07:00
file_util.h Fix a bug of rocksdb.file.read.verify.file.checksums.micros not being populated (#11836) 2023-09-15 10:36:14 -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 Add some stats to observe the usefulness of scan prefetching (#11981) 2023-10-23 14:42:44 -07:00
random_access_file_reader.cc Add some unit tests when file read returns error during compaction/scanning (#11788) 2023-09-06 10:23:41 -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