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sdong df2a8b6a1a Polish IterKey and use it in DBImpl::ProcessKeyValueCompaction() 
Summary:
1. Polish IterKey a little bit.
2. Turn to use it in local parameter of current_user_key in DBImpl::ProcessKeyValueCompaction(). Our profile showing that DBImpl::ProcessKeyValueCompaction() has about 14% costs in std::string (the base including reading and writing data but excluding compaction filtering), which is higher than it should be. There are two std::string used in DBImpl::ProcessKeyValueCompaction(), compaction_filter_value and current_user_key and it's hard to distinguish the two.

Test Plan: make all check

Reviewers: haobo, ljin

Reviewed By: haobo

CC: igor, yhchiang, dhruba, leveldb

Differential Revision: https://reviews.facebook.net/D17613
2014-04-09 20:50:58 -07:00
..
builder.cc
Enhance partial merge to support multiple arguments
2014-03-24 17:57:13 -07:00
builder.h
[Performance Branch] PlainTable to encode rows with seqID 0, value type using 1 internal byte.
2014-02-03 12:19:30 -08:00
c_test.c
[C-API] added "rocksdb_options_set_plain_table_factory" to make it possible to use plain table factory
2014-04-03 10:47:37 +02:00
c.cc
[C-API] implemented more options
2014-04-03 10:47:37 +02:00
column_family_test.cc
Column family support for DB::OpenForReadOnly()
2014-04-09 09:56:17 -07:00
column_family.cc
Simplify cleanup of dead (refcount == 0) column families
2014-04-07 14:31:02 -07:00
column_family.h
Simplify cleanup of dead (refcount == 0) column families
2014-04-07 14:31:02 -07:00
compaction_picker.cc
Merge branch 'master' into columnfamilies
2014-04-07 11:31:11 -07:00
compaction_picker.h
[CF] Code cleanup part 1
2014-03-12 09:56:53 -07:00
compaction.cc
Merge branch 'master' into columnfamilies
2014-03-19 17:22:20 -07:00
compaction.h
Merge branch 'master' into columnfamilies
2014-02-12 14:01:30 -08:00
corruption_test.cc
Some small cleaning up to make some compiling environment happy
2014-03-26 18:11:41 -07:00
db_bench.cc
speed up db_bench filluniquerandom mode
2014-04-09 11:25:21 -07:00
db_filesnapshot.cc
Simplify cleanup of dead (refcount == 0) column families
2014-04-07 14:31:02 -07:00
db_impl_readonly.cc
Column family support for DB::OpenForReadOnly()
2014-04-09 09:56:17 -07:00
db_impl_readonly.h
[CF] Rethinking ColumnFamilyHandle and fix to dropping column families
2014-02-12 13:47:09 -08:00
db_impl.cc
Polish IterKey and use it in DBImpl::ProcessKeyValueCompaction()
2014-04-09 20:50:58 -07:00
db_impl.h
CallFlushDuringCompaction
2014-04-07 15:03:15 -07:00
db_iter.cc
macros for perf_context
2014-04-08 10:58:07 -07:00
db_iter.h
Add appropriate LICENSE and Copyright message.
2013-10-16 17:48:41 -07:00
db_stats_logger.cc
[CF] Rethinking ColumnFamilyHandle and fix to dropping column families
2014-02-12 13:47:09 -08:00
db_test.cc
Improved CompressedCache
2014-04-09 11:43:14 -07:00
dbformat_test.cc
Add appropriate LICENSE and Copyright message.
2013-10-16 17:48:41 -07:00
dbformat.cc
macros for perf_context
2014-04-08 10:58:07 -07:00
dbformat.h
Polish IterKey and use it in DBImpl::ProcessKeyValueCompaction()
2014-04-09 20:50:58 -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
Merge branch 'master' into columnfamilies
2014-03-31 13:39:24 -07:00
internal_stats.h
Merge branch 'master' into columnfamilies
2014-03-31 13:39:24 -07:00
log_format.h
Some minor refactoring on the code
2014-01-02 16:32:31 -08:00
log_reader.cc
Make Log::Reader more robust
2014-02-28 13:19:47 -08:00
log_reader.h
Fix UnmarkEOF for partial blocks
2014-01-27 14:49:10 -08:00
log_test.cc
Make it compile on Debian/GCC 4.7
2014-03-14 22:44:35 +00:00
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_list.cc
Merge branch 'master' into columnfamilies
2014-04-07 11:31:11 -07:00
memtable_list.h
Merge branch 'master' into columnfamilies
2014-04-07 11:31:11 -07:00
memtable.cc
macros for perf_context
2014-04-08 10:58:07 -07:00
memtable.h
Merge branch 'master' into columnfamilies
2014-03-13 13:21:20 -07:00
merge_context.h
Enhance partial merge to support multiple arguments
2014-03-24 17:57:13 -07:00
merge_helper.cc
Fix the bug in MergeUtil which causes mixing values of different keys.
2014-03-27 16:15:25 -07:00
merge_helper.h
[rocksdb] new CompactionFilterV2 API
2014-03-24 20:47:53 -07:00
merge_operator.cc
Some small cleaning up to make some compiling environment happy
2014-03-26 18:11:41 -07:00
merge_test.cc
Enhance partial merge to support multiple arguments
2014-03-24 17:57:13 -07:00
perf_context_test.cc
Missing includes
2014-03-14 13:02:20 -07:00
plain_table_db_test.cc
PlainTableIterator not to store copied key in std::string
2014-04-07 19:06:09 -07:00
prefix_filter_iterator.h
Moving Some includes from options.h to forward declaration
2014-01-24 17:16:22 -08:00
prefix_test.cc
Fix HashSkipList and HashLinkedList SIGSEGV
2014-03-14 10:02:04 -07:00
repair.cc
Merge branch 'master' into columnfamilies
2014-03-18 13:24:27 -07:00
simple_table_db_test.cc
Make table properties shareable
2014-02-07 19:26:49 -08:00
skiplist_test.cc
Clean up arena API
2014-01-30 22:10:10 -08:00
skiplist.h
Consolidate SliceTransform object ownership
2014-03-10 12:56:46 -07:00
snapshot.h
Add appropriate LICENSE and Copyright message.
2013-10-16 17:48:41 -07:00
table_cache.cc
Merge branch 'master' into columnfamilies
2014-03-31 13:39:24 -07:00
table_cache.h
Merge branch 'master' into columnfamilies
2014-04-07 11:31:11 -07:00
table_properties_collector_test.cc
Fix problem 3 for issue #80
2014-02-11 17:52:18 -08:00
table_properties_collector.cc
Extract metaindex block from block-based table
2013-12-05 16:34:16 -08:00
table_properties_collector.h
Extract metaindex block from block-based table
2013-12-05 16:34:16 -08:00
tailing_iter.cc
Merge branch 'master' into columnfamilies
2014-03-10 17:26:09 -07:00
tailing_iter.h
[column families] Iterator and MultiGet
2014-02-03 17:44:40 -08:00
transaction_log_impl.cc
Revert "Fix bad merge of D16791 and D16767"
2014-03-12 09:37:43 -07:00
transaction_log_impl.h
Revert "Fix bad merge of D16791 and D16767"
2014-03-12 09:37:43 -07:00
version_edit_test.cc
[CF] Dont reuse dropped column family IDs
2014-03-05 12:13:44 -08:00
version_edit.cc
Merge branch 'master' into columnfamilies
2014-03-31 13:39:24 -07:00
version_edit.h
Merge branch 'master' into columnfamilies
2014-03-31 13:39:24 -07:00
version_set_test.cc
Add appropriate LICENSE and Copyright message.
2013-10-16 17:48:41 -07:00
version_set.cc
Fix ASAN issue
2014-04-09 10:38:05 -07:00
version_set.h
Column family support for DB::OpenForReadOnly()
2014-04-09 09:56:17 -07:00
write_batch_internal.h
[CF] Code cleanup part 1
2014-03-12 09:56:53 -07:00
write_batch_test.cc
Change WriteBatch interface
2014-03-14 13:40:06 -07:00
write_batch.cc
[CF] WriteBatch to take in ColumnFamilyHandle
2014-03-14 11:30:14 -07:00