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Lei Jin 5b3b6549d6 use super_version in NewIterator() and MultiGet() function 
Summary:
Use super_version insider NewIterator to avoid Ref() each component
separately under mutex
The new added bench shows NewIterator QPS increases from 515K to 719K
No meaningful improvement for multiget I guess due to its relatively small
cost comparing to 90 keys fetch in the test.

Test Plan: unit test and db_bench

Reviewers: igor, sdong

Reviewed By: igor

CC: leveldb, dhruba

Differential Revision: https://reviews.facebook.net/D15609
2014-02-03 13:13:36 -08:00
..
builder.cc
Don't always compress L0 files written by memtable flush
2014-01-07 21:50:26 -08:00
builder.h
Don't always compress L0 files written by memtable flush
2014-01-07 21:50:26 -08:00
c_test.c
Rename leveldb to rocksdb in C api
2013-12-10 10:48:35 +02:00
c.cc
C API: add rocksdb_env_set_high_priority_background_threads
2013-12-31 15:14:18 -08:00
compaction_picker.cc
Fix printf format
2014-02-03 10:25:37 -08:00
compaction_picker.h
Make VersionSet::ReduceNumberOfLevels() static
2014-01-24 14:57:04 -08:00
compaction.cc
Unfriending classes
2014-01-22 10:55:16 -08:00
compaction.h
Unfriending classes
2014-01-22 10:55:16 -08:00
corruption_test.cc
Fix corruption_test failure caused by auto-enablement of checksum verification.
2014-01-31 17:16:38 -08:00
db_bench.cc
use super_version in NewIterator() and MultiGet() function
2014-02-03 13:13:36 -08:00
db_filesnapshot.cc
Move functions from VersionSet to Version
2014-01-15 16:18:04 -08:00
db_impl_readonly.cc
use super_version in NewIterator() and MultiGet() function
2014-02-03 13:13:36 -08:00
db_impl_readonly.h
CompactRange() to return status
2014-01-23 16:41:46 -08:00
db_impl.cc
use super_version in NewIterator() and MultiGet() function
2014-02-03 13:13:36 -08:00
db_impl.h
use super_version in NewIterator() and MultiGet() function
2014-02-03 13:13:36 -08:00
db_iter.cc
Get rid of some shared_ptrs
2013-12-03 11:17:58 -08:00
db_iter.h
Add appropriate LICENSE and Copyright message.
2013-10-16 17:48:41 -07:00
db_stats_logger.cc
Move functions from VersionSet to Version
2014-01-15 16:18:04 -08:00
db_test.cc
use super_version in NewIterator() and MultiGet() function
2014-02-03 13:13:36 -08:00
dbformat_test.cc
Add appropriate LICENSE and Copyright message.
2013-10-16 17:48:41 -07:00
dbformat.cc
Add appropriate LICENSE and Copyright message.
2013-10-16 17:48:41 -07:00
dbformat.h
Make "Table" pluggable
2013-10-28 17:54:09 -07:00
deletefile_test.cc
Start DeleteFileTest with clean plate
2013-11-15 16:30:23 -08:00
filename_test.cc
Add appropriate LICENSE and Copyright message.
2013-10-16 17:48:41 -07:00
filename.cc
Unify DeleteFile and DeleteWalFiles
2013-10-25 08:32:14 -07:00
filename.h
Unify DeleteFile and DeleteWalFiles
2013-10-25 08:32:14 -07:00
internal_stats.cc
InternalStatistics
2014-01-29 20:40:41 -08:00
internal_stats.h
InternalStatistics
2014-01-29 20:40:41 -08:00
log_format.h
Add appropriate LICENSE and Copyright message.
2013-10-16 17:48:41 -07:00
log_reader.cc
Fix UnmarkEOF for partial blocks
2014-01-27 14:49:10 -08:00
log_reader.h
Fix UnmarkEOF for partial blocks
2014-01-27 14:49:10 -08:00
log_test.cc
Fix UnmarkEOF for partial blocks
2014-01-27 14:49:10 -08:00
log_writer.cc
Add appropriate LICENSE and Copyright message.
2013-10-16 17:48:41 -07:00
log_writer.h
Add appropriate LICENSE and Copyright message.
2013-10-16 17:48:41 -07:00
memtable.cc
Statistics code cleanup
2014-01-17 12:46:06 -08:00
memtable.h
Remove the unnecessary use of shared_ptr
2014-01-15 18:22:01 -08:00
memtablelist.cc
Fsync directory after we create a new file
2014-01-27 11:02:21 -08:00
memtablelist.h
Fsync directory after we create a new file
2014-01-27 11:02:21 -08:00
merge_context.h
Introduce MergeContext to Lazily Initialize merge operand list
2013-12-11 11:37:28 -08:00
merge_helper.cc
Statistics code cleanup
2014-01-17 12:46:06 -08:00
merge_helper.h
[RocksDB] Use raw pointer instead of shared pointer when passing Statistics object internally
2013-11-25 10:38:15 -08:00
merge_operator.cc
Add appropriate LICENSE and Copyright message.
2013-10-16 17:48:41 -07:00
merge_test.cc
Use ASSERT_EQ() instead of assert() in merge_test
2014-01-11 09:25:47 -08:00
perf_context_test.cc
Killing Transform Rep
2013-12-03 12:42:15 -08:00
prefix_filter_iterator.h
Moving Some includes from options.h to forward declaration
2014-01-24 17:16:22 -08:00
prefix_test.cc
Killing Transform Rep
2013-12-03 12:42:15 -08:00
repair.cc
VersionEdit not to take NumLevels()
2014-01-14 15:27:09 -08:00
simple_table_db_test.cc
Statistics code cleanup
2014-01-17 12:46:06 -08:00
skiplist_test.cc
Add appropriate LICENSE and Copyright message.
2013-10-16 17:48:41 -07:00
skiplist.h
Moving Some includes from options.h to forward declaration
2014-01-24 17:16:22 -08:00
snapshot.h
Add appropriate LICENSE and Copyright message.
2013-10-16 17:48:41 -07:00
table_cache.cc
Hotfix the bug in table cache's GetSliceForFileNumber
2014-01-02 10:30:42 -08:00
table_cache.h
Follow-up Cleaning-up After D13521
2013-10-30 10:52:33 -07:00
table_properties_collector_test.cc
Move flush_block_policy from Options to TableFactory
2013-11-19 22:00:48 -08:00
table_properties_collector.cc
Improve the readability of the TableProperties::ToString()
2013-11-21 17:54:23 -08:00
table_properties_collector.h
Improve the "table stats"
2013-11-19 16:29:42 -08:00
tailing_iter.cc
Moving Some includes from options.h to forward declaration
2014-01-24 17:16:22 -08:00
tailing_iter.h
Tailing iterator
2014-01-23 16:26:08 -08:00
transaction_log_impl.cc
Fix the string format issue
2013-11-12 21:05:39 -08:00
transaction_log_impl.h
Making the transaction log iterator more robust
2013-11-04 20:49:03 -08:00
version_edit_test.cc
Remove compaction pointers
2014-01-16 14:06:53 -08:00
version_edit.cc
Remove compaction pointers
2014-01-16 14:06:53 -08:00
version_edit.h
Remove compaction pointers
2014-01-16 14:06:53 -08:00
version_set_test.cc
Add appropriate LICENSE and Copyright message.
2013-10-16 17:48:41 -07:00
version_set.cc
The default settings enable checksum verification on every read.
2014-01-30 19:14:03 -08:00
version_set.h
add include <atomic> to version_set.h
2014-01-29 08:17:43 -08:00
write_batch_internal.h
In-place updates for equal keys and similar sized values
2013-10-31 11:27:12 -07:00
write_batch_test.cc
Fix memtable construction in tests
2014-01-14 15:36:12 -08:00
write_batch.cc
Statistics code cleanup
2014-01-17 12:46:06 -08:00