rocksdb/options
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
..
cf_options.cc Move some files under util/ to separate dirs 2017-04-05 19:09:16 -07:00
cf_options.h Move some files under util/ to separate dirs 2017-04-05 19:09:16 -07:00
db_options.cc change use_direct_writes to use_direct_io_for_flush_and_compaction 2017-04-13 16:12:04 -07:00
db_options.h change use_direct_writes to use_direct_io_for_flush_and_compaction 2017-04-13 16:12:04 -07:00
options_helper.cc AIX and Solaris Sparc Support 2017-04-21 20:48:04 -07:00
options_helper.h Re-add index_per_partition but as deprecated 2017-04-18 20:35:46 -07:00
options_parser.cc AIX and Solaris Sparc Support 2017-04-21 20:48:04 -07:00
options_parser.h Move some files under util/ to separate dirs 2017-04-05 19:09:16 -07:00
options_sanity_check.cc Move some files under util/ to separate dirs 2017-04-05 19:09:16 -07:00
options_sanity_check.h Move some files under util/ to separate dirs 2017-04-05 19:09:16 -07:00
options_settable_test.cc Remove double buffering on RandomRead on Windows. 2017-04-27 12:30:05 -07:00
options_test.cc change use_direct_writes to use_direct_io_for_flush_and_compaction 2017-04-13 16:12:04 -07:00
options.cc change use_direct_writes to use_direct_io_for_flush_and_compaction 2017-04-13 16:12:04 -07:00