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sdong ff033921d8 RandomAccessFileReader::MultiRead() should not return read bytes not read (#8941) 
Summary:
Right now, if underlying read returns fewer bytes than asked for, RandomAccessFileReader::MultiRead() still returns those in the buffer to upper layer. This can be a surprise to upper layer.
This is unlikely to cause incorrect data. To cause incorrect data, checksum checking in upper layer should pass with short reads, whose chance is low.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/8941

Test Plan: Run stress tests for a while

Reviewed By: anand1976

Differential Revision: D31085780

fbshipit-source-id: 999adf2d6c2712f1323d14bb68b678df59969973
2021-09-22 15:26:10 -07:00
..
delete_scheduler_test.cc Use SST file manager to track blob files as well (#8037) 2021-03-17 20:44:49 -07:00
delete_scheduler.cc Use SystemClock* instead of std::shared_ptr<SystemClock> in lower level routines (#8033) 2021-03-15 04:34:11 -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
file_prefetch_buffer.cc Improve BlockPrefetcher to prefetch only for sequential scans (#7394) 2021-04-28 12:53:46 -07:00
file_prefetch_buffer.h Improve BlockPrefetcher to prefetch only for sequential scans (#7394) 2021-04-28 12:53:46 -07:00
file_util.cc Allow WAL dir to change with db dir (#8582) 2021-07-30 12:16:44 -07:00
file_util.h Allow WAL dir to change with db dir (#8582) 2021-07-30 12:16:44 -07:00
filename.cc Add db_test2 to to ASSERT_STATUS_CHECKED (#8640) 2021-08-16 08:10:32 -07:00
filename.h Use SystemClock* instead of std::shared_ptr<SystemClock> in lower level routines (#8033) 2021-03-15 04:34:11 -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 Change the File System File Wrappers to std::unique_ptr (#8618) 2021-09-13 08:46:19 -07:00
random_access_file_reader_test.cc use the pointer directly (#8095) 2021-03-26 21:31:16 -07:00
random_access_file_reader.cc RandomAccessFileReader::MultiRead() should not return read bytes not read (#8941) 2021-09-22 15:26:10 -07:00
random_access_file_reader.h Replace Status with IOStatus for block fetcher IO function (#8130) 2021-04-01 10:07:55 -07:00
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_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 Replace Status with IOStatus in the backupable_db (#8820) 2021-09-15 15:09:48 -07:00
sequence_file_reader.h Replace Status with IOStatus in the backupable_db (#8820) 2021-09-15 15:09:48 -07:00
sst_file_manager_impl.cc Fix incorrect Status::NoSpace() status check (#8504) 2021-07-20 18:09:51 -07:00
sst_file_manager_impl.h Use SST file manager to track blob files as well (#8037) 2021-03-17 20:44:49 -07:00
writable_file_writer.cc Using existing crc32c checksum in checksum handoff for Manifest and WAL (#8412) 2021-06-25 00:47:17 -07:00
writable_file_writer.h Using existing crc32c checksum in checksum handoff for Manifest and WAL (#8412) 2021-06-25 00:47:17 -07:00