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5b3b6549d6
rocksdb/db
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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
c.cc
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
db_iter.h
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
dbformat.cc
dbformat.h
deletefile_test.cc
filename_test.cc
filename.cc
filename.h
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
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
log_writer.h
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
merge_helper.cc Statistics code cleanup 2014-01-17 12:46:06 -08:00
merge_helper.h
merge_operator.cc
merge_test.cc Use ASSERT_EQ() instead of assert() in merge_test 2014-01-11 09:25:47 -08:00
perf_context_test.cc
prefix_filter_iterator.h Moving Some includes from options.h to forward declaration 2014-01-24 17:16:22 -08:00
prefix_test.cc
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
skiplist.h Moving Some includes from options.h to forward declaration 2014-01-24 17:16:22 -08:00
snapshot.h
table_cache.cc
table_cache.h
table_properties_collector_test.cc
table_properties_collector.cc
table_properties_collector.h
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
transaction_log_impl.h
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
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
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