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Aaron Gao 972f96b3fb direct io write support 
Summary:
rocksdb direct io support

```
[gzh@dev11575.prn2 ~/rocksdb] ./db_bench -benchmarks=fillseq --num=1000000
Initializing RocksDB Options from the specified file
Initializing RocksDB Options from command-line flags
RocksDB:    version 5.0
Date:       Wed Nov 23 13:17:43 2016
CPU:        40 * Intel(R) Xeon(R) CPU E5-2660 v2 @ 2.20GHz
CPUCache:   25600 KB
Keys:       16 bytes each
Values:     100 bytes each (50 bytes after compression)
Entries:    1000000
Prefix:    0 bytes
Keys per prefix:    0
RawSize:    110.6 MB (estimated)
FileSize:   62.9 MB (estimated)
Write rate: 0 bytes/second
Compression: Snappy
Memtablerep: skip_list
Perf Level: 1
WARNING: Assertions are enabled; benchmarks unnecessarily slow
------------------------------------------------
Initializing RocksDB Options from the specified file
Initializing RocksDB Options from command-line flags
DB path: [/tmp/rocksdbtest-112628/dbbench]
fillseq      :       4.393 micros/op 227639 ops/sec;   25.2 MB/s

[gzh@dev11575.prn2 ~/roc
Closes https://github.com/facebook/rocksdb/pull/1564

Differential Revision: D4241093

Pulled By: lightmark

fbshipit-source-id: 98c29e3
2016-12-22 13:09:19 -08:00
..
aligned_buffer.h
direct io write support
2016-12-22 13:09:19 -08:00
allocator.h
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
arena_test.cc
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
arena.cc
FreeBSD: malloc_usable_size is in <malloc_np.h> (#1428)
2016-10-28 10:44:52 -07:00
arena.h
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
autovector_test.cc
Eliminate use of 'using namespace std'. Also remove a number of ADL references to std functions.
2016-05-20 07:42:18 -07:00
autovector.h
Implement non-exclusive locks
2016-12-05 17:39:17 -08:00
bloom_test.cc
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
bloom.cc
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
build_version.cc.in
Makefile: generate util/build_version.cc from .in file (#1384)
2016-10-25 11:31:39 -07:00
build_version.h
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
cache_bench.cc
Introduce ClockCache
2016-08-19 12:28:19 -07:00
cache_test.cc
Fix cache_test valgrind_check failure
2016-08-29 10:40:00 -07:00
cf_options.cc
Range deletion microoptimizations
2016-11-21 12:24:13 -08:00
cf_options.h
Range deletion microoptimizations
2016-11-21 12:24:13 -08:00
channel.h
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
clock_cache.cc
Fix ClockCache memory leak
2016-08-31 08:56:34 -07:00
clock_cache.h
Introduce ClockCache
2016-08-19 12:28:19 -07:00
coding_test.cc
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
coding.cc
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
coding.h
TableBuilder / TableReader support for range deletion
2016-08-19 15:10:31 -07:00
compaction_job_stats_impl.cc
Single Delete Mismatch and Fallthrough statistics
2016-08-16 08:21:43 -07:00
comparator.cc
Improve BytewiseComparatorImpl::FindShortestSeparator
2016-04-25 23:02:14 -07:00
compression.h
Remove use of deprecated LZ4 function
2016-11-21 12:24:14 -08:00
concurrent_arena.cc
Gcc 7 error expansion to defined
2016-12-13 18:39:14 -08:00
concurrent_arena.h
Gcc 7 error expansion to defined
2016-12-13 18:39:14 -08:00
crc32c_test.cc
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
crc32c.cc
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
crc32c.h
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
db_options.cc
direct io write support
2016-12-22 13:09:19 -08:00
db_options.h
direct io write support
2016-12-22 13:09:19 -08:00
delete_scheduler_test.cc
Remove sst_file_manager option from LITE
2016-12-21 17:54:21 -08:00
delete_scheduler.cc
Remove sst_file_manager option from LITE
2016-12-21 17:54:21 -08:00
delete_scheduler.h
Remove sst_file_manager option from LITE
2016-12-21 17:54:21 -08:00
dynamic_bloom_test.cc
gcc-7 requires include <functional> for std::function
2016-12-16 11:24:18 -08:00
dynamic_bloom.cc
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
dynamic_bloom.h
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
env_basic_test.cc
std::remove_if requires <algorithm>
2016-12-14 17:09:14 -08:00
env_chroot.cc
Support POSIX RandomRWFile
2016-09-13 12:08:22 -07:00
env_chroot.h
Introduce chroot Env
2016-05-06 17:42:50 -07:00
env_hdfs.cc
Return finer-granularity status from Env::GetChildren*
2016-12-12 12:54:13 -08:00
env_posix.cc
direct io write support
2016-12-22 13:09:19 -08:00
env_test.cc
Implement PositionedAppend for PosixWritableFile
2016-11-18 17:24:13 -08:00
env.cc
direct io write support
2016-12-22 13:09:19 -08:00
event_logger_test.cc
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
event_logger.cc
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
event_logger.h
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
fault_injection_test_env.cc
gcc-7 requires include <functional> for std::function
2016-12-16 11:24:18 -08:00
fault_injection_test_env.h
[rocksdb] Recovery path sequence miscount fix
2016-05-10 14:06:07 -07:00
file_reader_writer_test.cc
direct io write support
2016-12-22 13:09:19 -08:00
file_reader_writer.cc
direct io write support
2016-12-22 13:09:19 -08:00
file_reader_writer.h
direct io write support
2016-12-22 13:09:19 -08:00
file_util.cc
Remove sst_file_manager option from LITE
2016-12-21 17:54:21 -08:00
file_util.h
Split DBOptions into ImmutableDBOptions and MutableDBOptions
2016-09-23 16:34:04 -07:00
filelock_test.cc
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
filter_policy.cc
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
hash_map.h
Use more efficient hash map for deadlock detection
2016-11-19 11:39:15 -08:00
hash.cc
Fix travis (compile for clang < 3.9)
2016-12-01 10:09:22 -08:00
hash.h
Optimize sequential insert into memtable - Part 1: Interface
2016-11-13 19:09:18 -08:00
heap_test.cc
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
heap.h
Cache heap::downheap() root comparison (optimize heap cmp call)
2016-12-01 13:39:14 -08:00
histogram_test.cc
Fix Build Error
2016-03-11 22:56:25 -08:00
histogram_windowing.cc
Fix in HistogramWindowingImpl
2016-03-17 14:28:41 -07:00
histogram_windowing.h
Histogram Concurrency Improvement and Time-Windowing Support
2016-03-11 16:54:25 -08:00
histogram.cc
util/histogram.cc: HistogramStat::toString buffer insufficient
2016-12-13 14:09:12 -08:00
histogram.h
Histogram Concurrency Improvement and Time-Windowing Support
2016-03-11 16:54:25 -08:00
instrumented_mutex.cc
DBSSTTest.RateLimitedDelete: not to use real clock
2016-10-24 10:35:00 -07:00
instrumented_mutex.h
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
io_posix.cc
direct io write support
2016-12-22 13:09:19 -08:00
io_posix.h
direct io write support
2016-12-22 13:09:19 -08:00
iostats_context_imp.h
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
iostats_context_test.cc
IOStatsContext::ToString() add option to exclude zero counters
2016-02-23 10:26:24 -08:00
iostats_context.cc
IOStatsContext::ToString() add option to exclude zero counters
2016-02-23 10:26:24 -08:00
kv_map.h
Store internal keys in TombstoneMap
2016-11-09 15:09:18 -08:00
log_buffer.cc
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
log_buffer.h
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
log_write_bench.cc
direct io write support
2016-12-22 13:09:19 -08:00
logging.cc
util/logging.cc: buffer of insufficient size (gcc-7 -Werror=format-length)
2016-12-13 18:39:14 -08:00
logging.h
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
lru_cache_test.cc
LRU cache mid-point insertion
2016-08-19 16:43:31 -07:00
lru_cache.cc
Not insert into block cache if cache is full and not holding handle
2016-08-23 13:53:49 -07:00
lru_cache.h
Option to cache index/filter blocks with priority
2016-08-23 13:44:13 -07:00
memenv.cc
direct io write support
2016-12-22 13:09:19 -08:00
memory_usage.h
Report memory usage by memtable insert hints map.
2016-11-15 20:24:13 -08:00
mock_env_test.cc
Create env_basic_test [pluggable Env part 2]
2016-06-03 15:13:03 -07:00
mock_env.cc
direct io write support
2016-12-22 13:09:19 -08:00
mock_env.h
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
murmurhash.cc
Gcc 7 fallthrough
2016-12-14 19:24:25 -08:00
murmurhash.h
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
mutexlock.h
Persistent Read Cache (6) Persistent cache tier implentation - File layout
2016-07-19 12:01:46 -07:00
options_helper.cc
direct io write support
2016-12-22 13:09:19 -08:00
options_helper.h
direct io write support
2016-12-22 13:09:19 -08:00
options_parser.cc
Remove function local statics that interfere with memory pooling (#1392)
2016-10-14 13:09:18 -07:00
options_parser.h
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
options_sanity_check.cc
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
options_sanity_check.h
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
options_settable_test.cc
direct io write support
2016-12-22 13:09:19 -08:00
options_test.cc
direct io write support
2016-12-22 13:09:19 -08:00
options.cc
direct io write support
2016-12-22 13:09:19 -08:00
perf_context_imp.h
fix ios build error
2016-02-17 20:22:40 +08:00
perf_context.cc
Less linear search in DBIter::Seek() when keys are overwritten a lot
2016-11-28 10:24:11 -08:00
perf_level_imp.h
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
perf_level.cc
Assert boundary checks for SetPerfLevel()
2016-06-01 09:07:09 -07:00
perf_step_timer.h
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
posix_logger.h
Show More DB Stats in info logs
2016-10-29 16:09:18 -07:00
random.cc
Gcc 7 error expansion to defined
2016-12-13 18:39:14 -08:00
random.h
Fixes warnings and ensure correct int behavior on 32-bit platforms.
2016-03-16 22:57:57 +01:00
rate_limiter_test.cc
Relax the acceptable bias RateLimiterTest::Rate test be 25%
2016-10-13 14:26:12 -07:00
rate_limiter.cc
fix rate limiter to avoid starvation
2016-07-01 00:16:29 -07:00
rate_limiter.h
Handle overflow case of rate limiter's paramters
2016-05-27 16:15:28 -07:00
sharded_cache.cc
add stats to Cache::LookUp()
2016-09-01 13:50:39 -07:00
sharded_cache.h
add stats to Cache::LookUp()
2016-09-01 13:50:39 -07:00
slice_transform_test.cc
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
slice.cc
Merge db/slice.cc into util/slice.cc
2016-06-10 16:37:36 -07:00
sst_file_manager_impl.cc
Remove sst_file_manager option from LITE
2016-12-21 17:54:21 -08:00
sst_file_manager_impl.h
Remove sst_file_manager option from LITE
2016-12-21 17:54:21 -08:00
statistics_test.cc
Fix Statistics TickersNameMap miss match with Tickers enum
2016-07-25 16:05:50 -07:00
statistics.cc
Fix deadlock when calling getMergedHistogram
2016-11-20 18:24:12 -08:00
statistics.h
Add Statistics::getAndResetTickerCount().
2016-10-11 10:54:11 -07:00
status_message.cc
Add NoSpace subcode to IOError (#1320)
2016-09-07 12:37:45 -07:00
status.cc
Add NoSpace subcode to IOError (#1320)
2016-09-07 12:37:45 -07:00
stderr_logger.h
Stderr info logger
2016-04-01 11:06:06 -07:00
stop_watch.h
Use StopWatch to do statistic job in db_impl_add_file.cc
2016-08-02 14:53:29 -07:00
string_util.cc
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
string_util.h
FreeBSD does not have std::to_string (#1190)
2016-06-29 07:35:17 -07:00
sync_point.cc
gcc-7 requires include <functional> for std::function
2016-12-16 11:24:18 -08:00
sync_point.h
gcc-7 requires include <functional> for std::function
2016-12-16 11:24:18 -08:00
testharness.cc
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
testharness.h
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
testutil.cc
direct io write support
2016-12-22 13:09:19 -08:00
testutil.h
Support SST files with Global sequence numbers [reland]
2016-10-18 16:59:37 -07:00
thread_list_test.cc
Gcc 7 error expansion to defined
2016-12-13 18:39:14 -08:00
thread_local_test.cc
Fix lambda expression for clang/windows
2016-08-23 13:34:56 -07:00
thread_local.cc
Gcc 7 error expansion to defined
2016-12-13 18:39:14 -08:00
thread_local.h
gcc-7 requires include <functional> for std::function
2016-12-16 11:24:18 -08:00
thread_operation.h
Gcc 7 error expansion to defined
2016-12-13 18:39:14 -08:00
thread_status_impl.cc
Gcc 7 error expansion to defined
2016-12-13 18:39:14 -08:00
thread_status_updater_debug.cc
Gcc 7 error expansion to defined
2016-12-13 18:39:14 -08:00
thread_status_updater.cc
Gcc 7 error expansion to defined
2016-12-13 18:39:14 -08:00
thread_status_updater.h
Gcc 7 error expansion to defined
2016-12-13 18:39:14 -08:00
thread_status_util_debug.cc
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
thread_status_util.cc
Gcc 7 error expansion to defined
2016-12-13 18:39:14 -08:00
thread_status_util.h
Gcc 7 error expansion to defined
2016-12-13 18:39:14 -08:00
threadpool_imp.cc
Gcc 7 error expansion to defined
2016-12-13 18:39:14 -08:00
threadpool_imp.h
Expose ThreadPool under include/rocksdb/threadpool.h
2016-08-26 10:41:35 -07:00
transaction_test_util.cc
Gcc-7 buffer size insufficient
2016-12-14 19:24:26 -08:00
transaction_test_util.h
Fix AppVeyor build error
2016-03-15 10:57:33 -07:00
xfunc.cc
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
xfunc.h
gcc-7 requires include <functional> for std::function
2016-12-16 11:24:18 -08:00
xxhash.cc
Enable MS Warning C4804 : unsafe use of type 'bool' in operation
2015-11-18 16:23:19 -08:00
xxhash.h
Prevent xxhash symbols from polluting global namespace
2015-03-12 12:07:10 -07:00