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sdong d286b5df90 DBIter to out extra keys with higher sequence numbers when changing direction from forward to backward 
Summary:
When DBIter changes iterating direction from forward to backward, it might see some much larger keys with higher sequence ID. With this commit, these rows will be actively filtered out. It should fix existing disabled tests in db_iter_test.

This may not be a perfect fix, but it introduces least impact on existing codes, in order to be safe.

Test Plan:
Enable existing tests and make sure they pass. Add a new test DBIterWithMergeIterTest.InnerMergeIteratorDataRace8.
Also run all existing tests.

Reviewers: yhchiang, rven, anthony, IslamAbdelRahman, kradhakrishnan, igor

Reviewed By: igor

Subscribers: leveldb, dhruba

Differential Revision: https://reviews.facebook.net/D45567
 		2015-08-26 13:01:39 -07:00
..
builder.cc Smarter purging during flush 2015-08-24 11:11:12 -07:00
builder.h Smarter purging during flush 2015-08-24 11:11:12 -07:00
c.cc Don't let flushes preempt compactions 2015-07-17 12:02:52 -07:00
c_test.c Deprecate CompactionFilterV2 2015-07-17 18:59:11 +02:00
column_family.cc Total SST files size DB Property 2015-08-20 11:47:19 -07:00
column_family.h Total SST files size DB Property 2015-08-20 11:47:19 -07:00
column_family_test.cc Removing duplicate code 2015-08-05 07:33:27 -07:00
compact_files_test.cc Improved FileExists API 2015-07-20 17:20:40 -07:00
compacted_db_impl.cc Remove db_impl_readonly dependency on utilities 2015-07-14 11:32:54 -07:00
compacted_db_impl.h Remove db_impl_readonly dependency on utilities 2015-07-14 11:32:54 -07:00
compaction.cc [Parallel L0-L1 Compaction Prep]: Giving Subcompactions Their Own State 2015-08-18 11:06:23 -07:00
compaction.h Changed 'num_subcompactions' to the more accurate 'max_subcompactions' 2015-08-21 14:25:34 -07:00
compaction_job.cc Moving sequence number compaction variables from SubCompactionState to CompactionJob 2015-08-25 14:03:10 -07:00
compaction_job.h Moving sequence number compaction variables from SubCompactionState to CompactionJob 2015-08-25 14:03:10 -07:00
compaction_job_stats_test.cc Changed 'num_subcompactions' to the more accurate 'max_subcompactions' 2015-08-21 14:25:34 -07:00
compaction_job_test.cc [Parallel L0-L1 Compaction Prep]: Giving Subcompactions Their Own State 2015-08-18 11:06:23 -07:00
compaction_picker.cc Fix compact_files_example 2015-08-25 12:29:44 -07:00
compaction_picker.h Fix compact_files_example 2015-08-25 12:29:44 -07:00
compaction_picker_test.cc Add a counter about estimated pending compaction bytes 2015-08-20 22:17:10 -07:00
comparator_db_test.cc Make "make all" work for CYGWIN 2015-06-09 16:36:07 -07:00
convenience.cc move convenience.h out of utilities 2015-07-15 14:51:51 -07:00
corruption_test.cc Don't let flushes preempt compactions 2015-07-17 12:02:52 -07:00
cuckoo_table_db_test.cc Block cuckoo table tests in ROCKSDB_LITE 2015-07-20 10:50:46 -07:00
db_bench.cc Fixing race condition in DBTest.DynamicMemtableOptions 2015-08-24 17:04:18 -07:00
db_compaction_filter_test.cc Don't let flushes preempt compactions 2015-07-17 12:02:52 -07:00
db_compaction_test.cc Changed 'num_subcompactions' to the more accurate 'max_subcompactions' 2015-08-21 14:25:34 -07:00
db_dynamic_level_test.cc Move DynamicLevel related db-tests to db_dynamic_level_test.cc 2015-07-13 19:00:30 -07:00
db_filesnapshot.cc Add wal files to Checkpoint for multiple column families. 2015-06-19 16:08:31 -07:00
db_impl.cc Fix compact_files_example 2015-08-25 12:29:44 -07:00
db_impl.h Pessimistic Transactions 2015-08-11 17:52:23 -07:00
db_impl_debug.cc reduce db mutex contention for write batch groups 2015-08-14 10:55:43 -07:00
db_impl_experimental.cc Clean up InstallSuperVersion 2015-06-17 12:37:59 -07:00
db_impl_readonly.cc Remove db_impl_readonly dependency on utilities 2015-07-14 11:32:54 -07:00
db_impl_readonly.h Use CompactRangeOptions for CompactRange 2015-06-17 14:36:14 -07:00
db_inplace_update_test.cc Move in-place-update related tests from db_test.cc to db_inplace_update_test.cc 2015-07-20 16:05:28 -07:00
db_iter.cc DBIter to out extra keys with higher sequence numbers when changing direction from forward to backward 2015-08-26 13:01:39 -07:00
db_iter.h reduce references to cfd->options() in DBImpl 2014-09-08 15:04:34 -07:00
db_iter_test.cc DBIter to out extra keys with higher sequence numbers when changing direction from forward to backward 2015-08-26 13:01:39 -07:00
db_log_iter_test.cc Make TransactionLogIterator related tests from db_test.cc to db_log_iter_test.cc 2015-07-14 16:08:21 -07:00
db_tailing_iter_test.cc Fix build failure caused by bad merge. 2015-08-25 14:02:03 -07:00
db_test.cc Fix DBTest.GetProperty 2015-08-26 10:10:26 -07:00
db_universal_compaction_test.cc Fix compact_files_example 2015-08-25 12:29:44 -07:00
db_wal_test.cc Add two unit tests for SyncWAL() 2015-08-05 14:27:02 -07:00
dbformat.cc Replace %llu with format macros in ParsedInternalKey::DebugString()) 2015-06-17 20:44:26 -07:00
dbformat.h Avoid manipulating const char* arrays 2015-07-14 00:21:41 -07:00
dbformat_test.cc Avoid manipulating const char* arrays 2015-07-14 00:21:41 -07:00
deletefile_test.cc Improved FileExists API 2015-07-20 17:20:40 -07:00
event_helpers.cc Add EventListener::OnTableFileDeletion() 2015-06-03 19:57:01 -07:00
event_helpers.h Add EventListener::OnTableFileDeletion() 2015-06-03 19:57:01 -07:00
experimental.cc Implement DB::PromoteL0 method 2015-04-23 12:10:36 -07:00
fault_injection_test.cc Address windows build issues 2015-08-20 14:08:24 -07:00
file_indexer.cc Fix possible SIGSEGV in CompactRange (github issue #596) 2015-04-29 10:52:31 -07:00
file_indexer.h Fix public API dependency on internal codes and dependency on MAX_INT32 2015-07-11 10:32:11 -07:00
file_indexer_test.cc Fix possible SIGSEGV in CompactRange (github issue #596) 2015-04-29 10:52:31 -07:00
filename.cc Move rate_limiter, write buffering, most perf context instrumentation and most random kill out of Env 2015-07-17 16:58:18 -07:00
filename.h Move rate_limiter, write buffering, most perf context instrumentation and most random kill out of Env 2015-07-17 16:58:18 -07:00
filename_test.cc rocksdb: switch to gtest 2015-03-17 14:08:00 -07:00
flush_job.cc Fixing race condition in DBTest.DynamicMemtableOptions 2015-08-24 17:04:18 -07:00
flush_job.h Smarter purging during flush 2015-08-24 11:11:12 -07:00
flush_job_test.cc Smarter purging during flush 2015-08-24 11:11:12 -07:00
flush_scheduler.cc Don't return (or dereference) dangling pointer 2014-10-02 14:33:16 -07:00
flush_scheduler.h Fix data race #1 2015-01-26 11:48:07 -08:00
forward_iterator.cc Add a whitebox test for deleted file iterators. 2015-08-25 13:40:58 -07:00
forward_iterator.h Add a whitebox test for deleted file iterators. 2015-08-25 13:40:58 -07:00
internal_stats.cc Expose per-level aggregated table properties via GetProperty() 2015-08-25 12:03:54 -07:00
internal_stats.h Expose per-level aggregated table properties via GetProperty() 2015-08-25 12:03:54 -07:00
job_context.h fixed leaking log::Writers 2015-07-07 12:10:10 -07:00
listener_test.cc Deprecate WriteOptions::timeout_hint_us 2015-07-14 09:35:48 +02:00
log_format.h Some minor refactoring on the code 2014-01-02 16:32:31 -08:00
log_reader.cc Move rate_limiter, write buffering, most perf context instrumentation and most random kill out of Env 2015-07-17 16:58:18 -07:00
log_reader.h Move rate_limiter, write buffering, most perf context instrumentation and most random kill out of Env 2015-07-17 16:58:18 -07:00
log_test.cc Removing duplicate code 2015-08-05 07:33:27 -07:00
log_writer.cc Move rate_limiter, write buffering, most perf context instrumentation and most random kill out of Env 2015-07-17 16:58:18 -07:00
log_writer.h Move rate_limiter, write buffering, most perf context instrumentation and most random kill out of Env 2015-07-17 16:58:18 -07:00
managed_iterator.cc Windows Port from Microsoft 2015-07-01 16:13:56 -07:00
managed_iterator.h Fixed xfunc related compile errors in ROCKSDB_LITE 2015-04-09 21:05:18 -07:00
memtable.cc Simplify querying of merge results 2015-08-17 17:34:38 -07:00
memtable.h Allow GetApproximateSize() to include mem table size if it is skip list memtable 2015-06-16 18:13:23 -07:00
memtable_allocator.cc Enforce write buffer memory limit across column families 2014-12-02 12:09:20 -08:00
memtable_allocator.h Enforce write buffer memory limit across column families 2014-12-02 12:09:20 -08:00
memtable_list.cc Fixing race condition in DBTest.DynamicMemtableOptions 2015-08-24 17:04:18 -07:00
memtable_list.h Introduce GetIntProperty("rocksdb.size-all-mem-tables") 2015-08-19 13:32:09 -07:00
memtable_list_test.cc Removing duplicate code 2015-08-05 07:33:27 -07:00
memtablerep_bench.cc Windows Port from Microsoft 2015-07-01 16:13:56 -07:00
merge_context.h API to fetch from both a WriteBatchWithIndex and the db 2015-05-11 14:51:51 -07:00
merge_helper.cc Simplify querying of merge results 2015-08-17 17:34:38 -07:00
merge_helper.h Simplify querying of merge results 2015-08-17 17:34:38 -07:00
merge_helper_test.cc Simplify querying of merge results 2015-08-17 17:34:38 -07:00
merge_operator.cc Call merge operators with empty values 2015-06-26 11:35:46 -07:00
merge_test.cc Make merge_test runnable in ROCKSDB_LITE 2015-07-20 11:17:52 -07:00
perf_context_test.cc Makefile minor cleanup 2015-03-30 16:05:35 -04:00
plain_table_db_test.cc Block plain_table_db_test in ROCKSDB_LITE 2015-07-20 11:12:02 -07:00
prefix_test.cc Skip unsupported tests in ROCKSDB_LITE 2015-07-20 11:24:54 -07:00
repair.cc Smarter purging during flush 2015-08-24 11:11:12 -07:00
skiplist.h reduce comparisons by skiplist 2015-08-11 11:25:22 -07:00
skiplist_test.cc rocksdb: switch to gtest 2015-03-17 14:08:00 -07:00
slice.cc Create an abstract interface for write batches 2015-03-17 19:23:08 -07:00
snapshot_impl.cc simple ManagedSnapshot wrapper 2015-08-06 17:59:05 -07:00
snapshot_impl.h simple ManagedSnapshot wrapper 2015-08-06 17:59:05 -07:00
table_cache.cc Fix DBTest.GetProperty 2015-08-26 10:10:26 -07:00
table_cache.h Fix DBTest.GetProperty 2015-08-26 10:10:26 -07:00
table_properties_collector.cc A new call back to TablePropertiesCollector to allow users know the entry is add, delete or merge 2015-04-06 10:27:21 -07:00
table_properties_collector.h Add TablePropertiesCollector::NeedCompact() to suggest DB to further compact output files 2015-06-05 20:18:21 -07:00
table_properties_collector_test.cc Removing duplicate code 2015-08-05 07:33:27 -07:00
transaction_log_impl.cc Move rate_limiter, write buffering, most perf context instrumentation and most random kill out of Env 2015-07-17 16:58:18 -07:00
transaction_log_impl.h Move rate_limiter, write buffering, most perf context instrumentation and most random kill out of Env 2015-07-17 16:58:18 -07:00
version_builder.cc Parallelize LoadTableHandlers 2015-08-11 12:19:56 -07:00
version_builder.h Parallelize LoadTableHandlers 2015-08-11 12:19:56 -07:00
version_builder_test.cc Add TablePropertiesCollector::NeedCompact() to suggest DB to further compact output files 2015-06-05 20:18:21 -07:00
version_edit.cc Added JSON manifest dump option to ldb command 2015-07-17 10:07:40 -07:00
version_edit.h Added JSON manifest dump option to ldb command 2015-07-17 10:07:40 -07:00
version_edit_test.cc Add TablePropertiesCollector::NeedCompact() to suggest DB to further compact output files 2015-06-05 20:18:21 -07:00
version_set.cc Expose per-level aggregated table properties via GetProperty() 2015-08-25 12:03:54 -07:00
version_set.h Expose per-level aggregated table properties via GetProperty() 2015-08-25 12:03:54 -07:00
version_set_test.cc Report live data size estimate 2015-07-21 21:33:20 -07:00
wal_manager.cc Improved FileExists API 2015-07-20 17:20:40 -07:00
wal_manager.h Fix -Wnon-virtual-dtor errors 2014-11-10 17:39:38 -05:00
wal_manager_test.cc Skip unsupported tests in ROCKSDB_LITE 2015-07-20 11:24:54 -07:00
write_batch.cc simple ManagedSnapshot wrapper 2015-08-06 17:59:05 -07:00
write_batch_base.cc WriteBatch.Merge w/ SliceParts support 2015-05-29 04:30:03 -07:00
write_batch_internal.h WriteBatch Save Points 2015-07-29 16:54:23 -07:00
write_batch_test.cc WriteBatch Save Points 2015-07-29 16:54:23 -07:00
write_callback.h Optimistic Transactions 2015-05-29 14:36:35 -07:00
write_callback_test.cc Fix compile for write_callback_test in ROCKSDB_LITE 2015-07-20 10:54:15 -07:00
write_controller.cc Slow down writes by bytes written 2015-06-11 20:42:18 -07:00
write_controller.h Slow down writes by bytes written 2015-06-11 20:42:18 -07:00
write_controller_test.cc Slow down writes by bytes written 2015-06-11 20:42:18 -07:00
write_thread.cc reduce db mutex contention for write batch groups 2015-08-14 10:55:43 -07:00
write_thread.h reduce db mutex contention for write batch groups 2015-08-14 10:55:43 -07:00
writebuffer.h Enforce write buffer memory limit across column families 2014-12-02 12:09:20 -08:00