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sdong 983c93d731 VersionSet::Get(): Bring back the logic of skipping key range check when there are <=3 level 0 files 
Summary:
https://reviews.facebook.net/D17205 removed the logic of skipping file key range check when there are less than 3 level 0 files. This patch brings it back.

Other than that, add another small optimization to avoid to check all the levels if most higher levels don't have any file.

Test Plan: make all check

Reviewers: ljin

Reviewed By: ljin

Subscribers: yhchiang, igor, haobo, dhruba, leveldb

Differential Revision: https://reviews.facebook.net/D19035
2014-06-13 15:51:44 -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
kill ReadOptions.prefix and .prefix_seek
2014-04-25 12:21:34 -07:00
c.cc
Add rocksdb_open_for_read_only to C API
2014-04-27 20:57:10 +01:00
column_family_test.cc
remove unnecessary printf
2014-06-06 18:27:44 -07:00
column_family.cc
Flush stale column families less aggressively
2014-06-02 15:33:54 -07:00
column_family.h
Flush stale column families less aggressively
2014-06-02 15:33:54 -07:00
compaction_picker.cc
FIFO compaction style
2014-05-21 11:43:35 -07:00
compaction_picker.h
FIFO compaction style
2014-05-21 11:43:35 -07:00
compaction.cc
sst_dump: Set dummy prefix extractor for binary search index in block based table
2014-06-05 15:37:23 -07:00
compaction.h
Correctly preallocate files in universal compaction
2014-06-05 13:19:35 -07:00
corruption_test.cc
Fix corruption test
2014-04-24 14:56:41 -04:00
db_bench.cc
forward iterator
2014-05-30 14:31:55 -07:00
db_filesnapshot.cc
Call EnableFileDeletions with false as argument
2014-05-20 14:28:51 -07:00
db_impl_debug.cc
FIFO compaction style
2014-05-21 11:43:35 -07:00
db_impl_readonly.cc
Minimize accessing multiple objects in Version::Get()
2014-04-17 14:14:00 -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
Create Missing Column Families
2014-06-06 18:04:56 -07:00
db_impl.h
Write Fast-path for single column family
2014-06-06 17:26:23 -07:00
db_iter.cc
Fix compile errors on Mac
2014-06-03 12:28:58 -07:00
db_iter.h
In DB::NewIterator(), try to allocate the whole iterator tree in an arena
2014-06-02 17:44:57 -07:00
db_stats_logger.cc
RocksDBLite
2014-04-15 13:39:26 -07:00
db_test.cc
fix forward iterator bug
2014-06-10 09:57:26 -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
forward iterator
2014-05-30 14:31:55 -07:00
deletefile_test.cc
Start DeleteFileTest with clean plate
2013-11-15 16:30:23 -08:00
file_indexer_test.cc
Some fixes as preparation for release
2014-04-30 09:03:24 -07:00
file_indexer.cc
hints for narrowing down FindFile range and avoiding checking unrelevant L0 files
2014-04-21 09:10:12 -07:00
file_indexer.h
Remove TransactionLogIteratorRace when -DNDEBUG
2014-04-21 11:08:30 -07:00
filename_test.cc
Add appropriate LICENSE and Copyright message.
2013-10-16 17:48:41 -07:00
filename.cc
fsync directory after creating current file in NewDB()
2014-05-06 17:51:33 -07:00
filename.h
fsync directory after creating current file in NewDB()
2014-05-06 17:51:33 -07:00
forward_iterator.cc
fix forward iterator bug
2014-06-10 09:57:26 -07:00
forward_iterator.h
Fix compile errors on Mac
2014-06-03 12:28:58 -07:00
internal_stats.cc
Expose number of entries in mem tables to users
2014-04-22 22:13:21 -07:00
internal_stats.h
Expose number of entries in mem tables to users
2014-04-22 22:13:21 -07:00
log_and_apply_bench.cc
log_and_apply_bench on a new benchmark framework
2014-05-05 11:11:48 -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
In DB::NewIterator(), try to allocate the whole iterator tree in an arena
2014-06-02 17:44:57 -07:00
memtable_list.h
In DB::NewIterator(), try to allocate the whole iterator tree in an arena
2014-06-02 17:44:57 -07:00
memtable.cc
In DB::NewIterator(), try to allocate the whole iterator tree in an arena
2014-06-02 17:44:57 -07:00
memtable.h
In DB::NewIterator(), try to allocate the whole iterator tree in an arena
2014-06-02 17:44:57 -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
Use new DBWithTTL API in tests
2014-04-28 23:46:24 -04:00
perf_context_test.cc
Missing includes
2014-03-14 13:02:20 -07:00
plain_table_db_test.cc
Clean PlainTableReader's variables for better data locality
2014-06-09 13:53:39 -07:00
prefix_test.cc
Make RocksDB work with newer gflags
2014-05-08 17:25:13 -07:00
repair.cc
fsync directory after creating current file in NewDB()
2014-05-06 17:51:33 -07:00
simple_table_db_test.cc
In DB::NewIterator(), try to allocate the whole iterator tree in an arena
2014-06-02 17:44:57 -07:00
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
In DB::NewIterator(), try to allocate the whole iterator tree in an arena
2014-06-02 17:44:57 -07:00
table_cache.h
In DB::NewIterator(), try to allocate the whole iterator tree in an arena
2014-06-02 17:44:57 -07:00
table_properties_collector_test.cc
TablePropertiesCollectorFactory
2014-05-13 12:30:55 -07:00
table_properties_collector.cc
Extract metaindex block from block-based table
2013-12-05 16:34:16 -08:00
table_properties_collector.h
TablePropertiesCollectorFactory
2014-05-13 12:30:55 -07:00
tailing_iter.cc
kill ReadOptions.prefix and .prefix_seek
2014-04-25 12:21:34 -07:00
tailing_iter.h
kill ReadOptions.prefix and .prefix_seek
2014-04-25 12:21:34 -07:00
transaction_log_impl.cc
Fixed a file-not-found issue when a log file is moved to archive.
2014-05-12 17:50:21 -07:00
transaction_log_impl.h
RocksDBLite
2014-04-15 13:39:26 -07:00
version_edit_test.cc
[CF] Dont reuse dropped column family IDs
2014-03-05 12:13:44 -08:00
version_edit.cc
[fix] SIGSEGV when VersionEdit in MANIFEST is corrupted
2014-05-07 16:52:12 -07:00
version_edit.h
Minimize accessing multiple objects in Version::Get()
2014-04-17 14:14:00 -07:00
version_set_test.cc
Add appropriate LICENSE and Copyright message.
2013-10-16 17:48:41 -07:00
version_set.cc
VersionSet::Get(): Bring back the logic of skipping key range check when there are <=3 level 0 files
2014-06-13 15:51:44 -07:00
version_set.h
VersionSet::Get(): Bring back the logic of skipping key range check when there are <=3 level 0 files
2014-06-13 15:51:44 -07:00
write_batch_internal.h
Support for column families in TTL DB
2014-04-22 11:27:33 -07:00
write_batch_test.cc
kill ReadOptions.prefix and .prefix_seek
2014-04-25 12:21:34 -07:00
write_batch.cc
Support for column families in TTL DB
2014-04-22 11:27:33 -07:00