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Dmitri Smirnov cdad04b051 Remove double buffering on RandomRead on Windows. 
Summary:
Remove double buffering on RandomRead on Windows.
  With more logic appear in file reader/write Read no longer
  obeys forwarding calls to Windows implementation.
  Previously direct_io (unbuffered) was only available on Windows
  but now is supported as generic.
  We remove intermediate buffering on Windows.
  Remove random_access_max_buffer_size option which was windows specific.
  Non-zero values for that opton introduced unnecessary lock contention.
  Remove Env::EnableReadAhead(), Env::ShouldForwardRawRequest() that are
  no longer necessary.
  Add aligned buffer reads for cases when requested reads exceed read ahead size.
Closes https://github.com/facebook/rocksdb/pull/2105

Differential Revision: D4847770

Pulled By: siying

fbshipit-source-id: 8ab48f8e854ab498a4fd398a6934859792a2788f
2017-04-27 12:30:05 -07:00
..
builder.cc
change use_direct_writes to use_direct_io_for_flush_and_compaction
2017-04-13 16:12:04 -07:00
builder.h
Move some files under util/ to separate dirs
2017-04-05 19:09:16 -07:00
c_test.c
Add C API functions (and tests) for WriteBatchWithIndex
2017-03-23 15:54:13 -07:00
c.cc
change use_direct_writes to use_direct_io_for_flush_and_compaction
2017-04-13 16:12:04 -07:00
column_family_test.cc
Move some files under util/ to separate dirs
2017-04-05 19:09:16 -07:00
column_family.cc
Refactor compaction picker code
2017-04-06 20:09:34 -07:00
column_family.h
Move some files under util/ to separate dirs
2017-04-05 19:09:16 -07:00
compact_files_test.cc
Windows thread
2017-02-06 14:54:18 -08:00
compacted_db_impl.cc
Add macros to include file name and line number during Logging
2017-03-15 19:39:12 -07:00
compacted_db_impl.h
Pinnableslice (2nd attempt)
2017-03-13 11:54:10 -07:00
compaction_iteration_stats.h
Support for range skips in compaction filter
2016-12-01 07:09:15 -08:00
compaction_iterator_test.cc
Blob storage helper methods
2017-04-18 12:42:38 -07:00
compaction_iterator.cc
Remove double buffering on RandomRead on Windows.
2017-04-27 12:30:05 -07:00
compaction_iterator.h
Blob storage helper methods
2017-04-18 12:42:38 -07:00
compaction_job_stats_test.cc
Move some files under util/ to separate dirs
2017-04-05 19:09:16 -07:00
compaction_job_test.cc
Split DBOptions into ImmutableDBOptions and MutableDBOptions
2016-09-23 16:34:04 -07:00
compaction_job.cc
Hide event listeners from lite build
2017-04-18 17:26:19 -07:00
compaction_job.h
Move some files under util/ to separate dirs
2017-04-05 19:09:16 -07:00
compaction_picker_test.cc
Refactor compaction picker code
2017-04-06 20:09:34 -07:00
compaction_picker_universal.cc
support bulk loading with universal compaction
2017-04-26 13:41:32 -07:00
compaction_picker_universal.h
Refactor compaction picker code
2017-04-06 20:09:34 -07:00
compaction_picker.cc
Fix compilation for GCC-5
2017-04-07 10:54:12 -07:00
compaction_picker.h
Refactor compaction picker code
2017-04-06 20:09:34 -07:00
compaction.cc
Move various string utility functions into string_util
2017-04-06 14:54:12 -07:00
compaction.h
Move some files under util/ to separate dirs
2017-04-05 19:09:16 -07:00
comparator_db_test.cc
Add SeekForPrev() to Iterator
2016-09-27 18:20:57 -07:00
convenience.cc
call GetRootDB() before cast to DBImpl* in CancelAllBackgroundWork
2017-04-24 13:47:17 -07:00
corruption_test.cc
Move various string utility functions into string_util
2017-04-06 14:54:12 -07:00
cuckoo_table_db_test.cc
AIX and Solaris Sparc Support
2017-04-21 20:48:04 -07:00
db_basic_test.cc
Separate small subset tests in DBTest
2017-02-27 12:24:11 -08:00
db_block_cache_test.cc
Move some files under util/ to separate dirs
2017-04-05 19:09:16 -07:00
db_bloom_filter_test.cc
Configure index partition size
2017-03-28 12:09:12 -07:00
db_compaction_filter_test.cc
set compaction_iterator earliest_snapshot to max if no snapshot
2017-04-20 19:56:59 -07:00
db_compaction_test.cc
Disable two flaky tests
2017-04-26 17:13:46 -07:00
db_dynamic_level_test.cc
Fix some bugs in MockEnv
2017-03-13 09:54:11 -07:00
db_filesnapshot.cc
Move auto_roll_logger and filename out of db/
2017-04-03 18:39:14 -07:00
db_flush_test.cc
change use_direct_writes to use_direct_io_for_flush_and_compaction
2017-04-13 16:12:04 -07:00
db_impl_compaction_flush.cc
Blob storage helper methods
2017-04-18 12:42:38 -07:00
db_impl_debug.cc
Move some files under util/ to separate dirs
2017-04-05 19:09:16 -07:00
db_impl_experimental.cc
Add macros to include file name and line number during Logging
2017-03-15 19:39:12 -07:00
db_impl_files.cc
Blob storage helper methods
2017-04-18 12:42:38 -07:00
db_impl_open.cc
change use_direct_writes to use_direct_io_for_flush_and_compaction
2017-04-13 16:12:04 -07:00
db_impl_readonly.cc
Reduce the number of params needed to construct DBIter
2017-04-10 11:14:14 -07:00
db_impl_readonly.h
Pinnableslice (2nd attempt)
2017-03-13 11:54:10 -07:00
db_impl_write.cc
Simplify write thread logic
2017-04-13 16:12:04 -07:00
db_impl.cc
support bulk loading with universal compaction
2017-04-26 13:41:32 -07:00
db_impl.h
Add DB:ResetStats()
2017-04-18 16:56:48 -07:00
db_info_dumper.cc
Move auto_roll_logger and filename out of db/
2017-04-03 18:39:14 -07:00
db_info_dumper.h
Move some files under util/ to separate dirs
2017-04-05 19:09:16 -07:00
db_inplace_update_test.cc
Enable allow_concurrent_memtable_write and enable_write_thread_adaptive_yield by default
2016-11-16 09:39:09 -08:00
db_io_failure_test.cc
Add WriteOptions.no_slowdown
2016-11-21 18:09:13 -08:00
db_iter_test.cc
Reduce the number of params needed to construct DBIter
2017-04-10 11:14:14 -07:00
db_iter.cc
Reduce the number of params needed to construct DBIter
2017-04-10 11:14:14 -07:00
db_iter.h
Reduce the number of params needed to construct DBIter
2017-04-10 11:14:14 -07:00
db_iterator_test.cc
Fix some bugs in MockEnv
2017-03-13 09:54:11 -07:00
db_log_iter_test.cc
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
db_memtable_test.cc
Fix some bugs in MockEnv
2017-03-13 09:54:11 -07:00
db_merge_operator_test.cc
Move MergeOperatorPinning tests to be with other merge operator tests
2017-04-11 16:15:06 -07:00
db_options_test.cc
Move some files under util/ to separate dirs
2017-04-05 19:09:16 -07:00
db_properties_test.cc
Add DB:ResetStats()
2017-04-18 16:56:48 -07:00
db_range_del_test.cc
Level-based L0->L0 compaction
2017-04-04 18:09:11 -07:00
db_sst_test.cc
AIX and Solaris Sparc Support
2017-04-21 20:48:04 -07:00
db_statistics_test.cc
Add user stats Reset API
2017-04-26 15:57:01 -07:00
db_table_properties_test.cc
Fix some bugs in MockEnv
2017-03-13 09:54:11 -07:00
db_tailing_iter_test.cc
Fix some bugs in MockEnv
2017-03-13 09:54:11 -07:00
db_test2.cc
AIX and Solaris Sparc Support
2017-04-21 20:48:04 -07:00
db_test_util.cc
Configure index partition size
2017-03-28 12:09:12 -07:00
db_test_util.h
Move some files under util/ to separate dirs
2017-04-05 19:09:16 -07:00
db_test.cc
Disable two flaky tests
2017-04-26 17:13:46 -07:00
db_universal_compaction_test.cc
Fix flaky DBTestUniversalCompaction.UniversalCompactionTrivialMoveTest2
2017-02-23 18:39:13 -08:00
db_wal_test.cc
Move some files under util/ to separate dirs
2017-04-05 19:09:16 -07:00
dbformat_test.cc
update IterKey that can get user key and internal key explicitly
2017-04-04 14:24:20 -07:00
dbformat.cc
Move various string utility functions into string_util
2017-04-06 14:54:12 -07:00
dbformat.h
update IterKey that can get user key and internal key explicitly
2017-04-04 14:24:20 -07:00
deletefile_test.cc
Move auto_roll_logger and filename out of db/
2017-04-03 18:39:14 -07:00
event_helpers.cc
Performance: Iterate vector by reference
2017-01-11 10:54:37 -08:00
event_helpers.h
Added EventListener::OnTableFileCreationStarted() callback
2016-04-29 11:35:00 -07:00
experimental.cc
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
external_sst_file_basic_test.cc
support bulk loading with universal compaction
2017-04-26 13:41:32 -07:00
external_sst_file_ingestion_job.cc
support bulk loading with universal compaction
2017-04-26 13:41:32 -07:00
external_sst_file_ingestion_job.h
support bulk loading with universal compaction
2017-04-26 13:41:32 -07:00
external_sst_file_test.cc
support bulk loading with universal compaction
2017-04-26 13:41:32 -07:00
fault_injection_test.cc
Move some files under util/ to separate dirs
2017-04-05 19:09:16 -07:00
file_indexer_test.cc
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
file_indexer.cc
gcc-7 requires include <functional> for std::function
2016-12-16 11:24:18 -08:00
file_indexer.h
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
filename_test.cc
Move auto_roll_logger and filename out of db/
2017-04-03 18:39:14 -07:00
flush_job_test.cc
Make range deletion inclusive-exclusive
2016-11-14 17:39:13 -08:00
flush_job.cc
change use_direct_writes to use_direct_io_for_flush_and_compaction
2017-04-13 16:12:04 -07:00
flush_job.h
Move some files under util/ to separate dirs
2017-04-05 19:09:16 -07:00
flush_scheduler.cc
Fix clang analyzer errors
2016-07-08 17:50:51 -07:00
flush_scheduler.h
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
forward_iterator_bench.cc
change use_direct_writes to use_direct_io_for_flush_and_compaction
2017-04-13 16:12:04 -07:00
forward_iterator.cc
update IterKey that can get user key and internal key explicitly
2017-04-04 14:24:20 -07:00
forward_iterator.h
Add SeekForPrev() to Iterator
2016-09-27 18:20:57 -07:00
internal_stats.cc
File level histogram should be printed per CF, not per DB
2017-04-11 08:42:03 -07:00
internal_stats.h
AIX and Solaris Sparc Support
2017-04-21 20:48:04 -07:00
job_context.h
fixup commit
2016-10-13 08:48:40 -07:00
listener_test.cc
Move some files under util/ to separate dirs
2017-04-05 19:09:16 -07:00
log_format.h
Blob storage helper methods
2017-04-18 12:42:38 -07:00
log_reader.cc
Fix clang analyzer errors
2016-07-08 17:50:51 -07:00
log_reader.h
db/log_reader: treat bad record length or checksum as EOF
2016-05-22 22:00:15 -07:00
log_test.cc
db/log_reader: treat bad record length or checksum as EOF
2016-05-22 22:00:15 -07:00
log_writer.cc
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
log_writer.h
Need to make sure log file synced before flushing memtable of one column family
2016-07-21 16:29:06 -07:00
managed_iterator.cc
update IterKey that can get user key and internal key explicitly
2017-04-04 14:24:20 -07:00
managed_iterator.h
Add SeekForPrev() to Iterator
2016-09-27 18:20:57 -07:00
manual_compaction_test.cc
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
memtable_list_test.cc
DeleteRange Get support
2016-11-03 18:54:20 -07:00
memtable_list.cc
Move some files under util/ to separate dirs
2017-04-05 19:09:16 -07:00
memtable_list.h
Move memtable related files into memtable directory
2017-04-06 14:09:13 -07:00
memtable.cc
Blob storage helper methods
2017-04-18 12:42:38 -07:00
memtable.h
Move memtable related files into memtable directory
2017-04-06 14:09:13 -07:00
merge_context.h
Fix MergeContext::copied_operands_ strings moving
2016-07-25 15:31:41 -07:00
merge_helper_test.cc
[rocksdb][PR] Remove option min_partial_merge_operands and verify_checksums_in_comp…
2017-02-23 15:09:12 -08:00
merge_helper.cc
Move some files under util/ to separate dirs
2017-04-05 19:09:16 -07:00
merge_helper.h
[rocksdb][PR] Remove option min_partial_merge_operands and verify_checksums_in_comp…
2017-02-23 15:09:12 -08:00
merge_operator.cc
Introduce FullMergeV2 (eliminate memcpy from merge operators)
2016-07-20 09:49:03 -07:00
merge_test.cc
AIX and Solaris Sparc Support
2017-04-21 20:48:04 -07:00
options_file_test.cc
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
perf_context_test.cc
AIX and Solaris Sparc Support
2017-04-21 20:48:04 -07:00
pinned_iterators_manager.h
Delegate Cleanables
2016-12-29 15:54:19 -08:00
plain_table_db_test.cc
Move auto_roll_logger and filename out of db/
2017-04-03 18:39:14 -07:00
prefix_test.cc
AIX and Solaris Sparc Support
2017-04-21 20:48:04 -07:00
range_del_aggregator_test.cc
Maintain position in range deletions map
2017-01-05 10:39:12 -08:00
range_del_aggregator.cc
Fix DeleteRange including sentinels in output files
2017-01-25 11:09:12 -08:00
range_del_aggregator.h
Maintain position in range deletions map
2017-01-05 10:39:12 -08:00
repair_test.cc
avoid direct io in rocksdb_lite
2017-02-16 10:39:13 -08:00
repair.cc
change use_direct_writes to use_direct_io_for_flush_and_compaction
2017-04-13 16:12:04 -07:00
snapshot_impl.cc
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
snapshot_impl.h
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
table_cache.cc
change use_direct_writes to use_direct_io_for_flush_and_compaction
2017-04-13 16:12:04 -07:00
table_cache.h
Move some files under util/ to separate dirs
2017-04-05 19:09:16 -07:00
table_properties_collector_test.cc
Move some files under util/ to separate dirs
2017-04-05 19:09:16 -07:00
table_properties_collector.cc
Added "number of merge operands" to statistics in ssts.
2016-05-19 14:24:48 -07:00
table_properties_collector.h
Added "number of merge operands" to statistics in ssts.
2016-05-19 14:24:48 -07:00
transaction_log_impl.cc
Split DBOptions into ImmutableDBOptions and MutableDBOptions
2016-09-23 16:34:04 -07:00
transaction_log_impl.h
Move some files under util/ to separate dirs
2017-04-05 19:09:16 -07:00
version_builder_test.cc
Support running consistency checks in release mode
2016-10-07 17:21:45 -07:00
version_builder.cc
Windows thread
2017-02-06 14:54:18 -08:00
version_builder.h
Only cache level 0 indexes and filter when opening table reader
2016-07-20 11:23:31 -07:00
version_edit_test.cc
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
version_edit.cc
Move various string utility functions into string_util
2017-04-06 14:54:12 -07:00
version_edit.h
Avoid FileMetaData copy
2016-07-13 15:36:22 -07:00
version_set_test.cc
Support running consistency checks in release mode
2016-10-07 17:21:45 -07:00
version_set.cc
Change L0 compaction score using level size
2017-04-19 12:00:01 -07:00
version_set.h
Move some files under util/ to separate dirs
2017-04-05 19:09:16 -07:00
wal_manager_test.cc
Move some files under util/ to separate dirs
2017-04-05 19:09:16 -07:00
wal_manager.cc
Move auto_roll_logger and filename out of db/
2017-04-03 18:39:14 -07:00
wal_manager.h
Move some files under util/ to separate dirs
2017-04-05 19:09:16 -07:00
write_batch_base.cc
Limit maximum memory used in the WriteBatch representation
2017-04-10 15:42:26 -07:00
write_batch_internal.h
Limit maximum memory used in the WriteBatch representation
2017-04-10 15:42:26 -07:00
write_batch_test.cc
Limit maximum memory used in the WriteBatch representation
2017-04-10 15:42:26 -07:00
write_batch.cc
Limit maximum memory used in the WriteBatch representation
2017-04-10 15:42:26 -07:00
write_callback_test.cc
Move memtable related files into memtable directory
2017-04-06 14:09:13 -07:00
write_callback.h
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
write_controller_test.cc
Use monotonic time points in write_controller.cc and rate_limiter.cc
2017-02-14 18:24:24 -08:00
write_controller.cc
Break stalls when no bg work is happening
2017-03-16 18:24:17 -07:00
write_controller.h
Expose the stalling information through DB::GetProperty()
2017-03-29 11:54:20 -07:00
write_thread.cc
Simplify write thread logic
2017-04-13 16:12:04 -07:00
write_thread.h
Simplify write thread logic
2017-04-13 16:12:04 -07:00