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cdad04b051
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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