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sdong 692f6a3138 Implement NextAndGetResult() in memtable and level iterator (#7179) 
Summary:
NextAndGetResult() is not implemented in memtable and is very simply implemented in level iterator. The result is that for a normal leveled iterator, performance regression will be observed for calling PrepareValue() for most iterator Next(). Mitigate the problem by implementing the function for both iterators. In level iterator, the implementation cannot be perfect as when calling file iterator's SeekToFirst() we don't have information about whether the value is prepared. Fortunately, the first key should not cause a big portion of the CPu.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/7179

Test Plan: Run normal crash test for a while.

Reviewed By: anand1976

Differential Revision: D22783840

fbshipit-source-id: c19f45cdf21b756190adef97a3b66ccde3936e05
2020-07-29 09:45:21 -07:00
..
blob
Sync blob files before closing them (#7160)
2020-07-22 17:25:20 -07:00
compaction
SST Partitioner interface that allows to split SST files (#6957)
2020-07-24 13:44:49 -07:00
db_impl
Make env*_test work with ASSERT_STATUS_CHECKED (#7176)
2020-07-28 22:59:48 -07:00
arena_wrapped_db_iter.cc
Fix a bug that causes iterator to return wrong result in a rare data race (#6973)
2020-06-18 10:16:38 -07:00
arena_wrapped_db_iter.h
Iterator with timestamp (#6255)
2020-03-06 16:24:27 -08:00
builder.cc
Add hash of key/value checks when paranoid_file_checks=true (#7134)
2020-07-22 11:04:40 -07:00
builder.h
Store DB identity and DB session ID in SST files (#6983)
2020-06-17 10:57:40 -07:00
c_test.c
export stats_persist_period_sec (#7168)
2020-07-28 13:05:34 -07:00
c.cc
export stats_persist_period_sec (#7168)
2020-07-28 13:05:34 -07:00
column_family_test.cc
column_family_test: fix a data race related to sleeping task (#7150)
2020-07-20 14:19:48 -07:00
column_family.cc
Make max_subcompactions dynamically changeable (#7159)
2020-07-22 18:32:52 -07:00
column_family.h
Make max_subcompactions dynamically changeable (#7159)
2020-07-22 18:32:52 -07:00
compact_files_test.cc
Replace reinterpret_cast with static_cast_with_check (#7067)
2020-07-02 19:25:41 -07:00
compacted_db_impl.cc
Replace reinterpret_cast with static_cast_with_check (#7067)
2020-07-02 19:25:41 -07:00
compacted_db_impl.h
Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)
2020-02-20 12:09:57 -08:00
comparator_db_test.cc
More Makefile Cleanup (#7097)
2020-07-09 14:35:17 -07:00
convenience.cc
sst_dump to reduce number of file reads (#6836)
2020-05-12 18:23:33 -07:00
corruption_test.cc
Add hash of key/value checks when paranoid_file_checks=true (#7134)
2020-07-22 11:04:40 -07:00
cuckoo_table_db_test.cc
Replace reinterpret_cast with static_cast_with_check (#7067)
2020-07-02 19:25:41 -07:00
db_basic_test.cc
More Makefile Cleanup (#7097)
2020-07-09 14:35:17 -07:00
db_block_cache_test.cc
More Makefile Cleanup (#7097)
2020-07-09 14:35:17 -07:00
db_bloom_filter_test.cc
Revert "Whole DBTest to skip fsync (#7049)" (#7070)
2020-07-02 10:22:43 -07:00
db_compaction_filter_test.cc
Revert "Whole DBTest to skip fsync (#7049)" (#7070)
2020-07-02 10:22:43 -07:00
db_compaction_test.cc
SST Partitioner interface that allows to split SST files (#6957)
2020-07-24 13:44:49 -07:00
db_dynamic_level_test.cc
More Makefile Cleanup (#7097)
2020-07-09 14:35:17 -07:00
db_encryption_test.cc
Revert "Whole DBTest to skip fsync (#7049)" (#7070)
2020-07-02 10:22:43 -07:00
db_filesnapshot.cc
First step towards handling MANIFEST write error (#6949)
2020-06-24 19:07:08 -07:00
db_flush_test.cc
More Makefile Cleanup (#7097)
2020-07-09 14:35:17 -07:00
db_info_dumper.cc
Add a DB Session ID (#6959)
2020-06-15 10:47:02 -07:00
db_info_dumper.h
Add a DB Session ID (#6959)
2020-06-15 10:47:02 -07:00
db_inplace_update_test.cc
Revert "Whole DBTest to skip fsync (#7049)" (#7070)
2020-07-02 10:22:43 -07:00
db_io_failure_test.cc
More Makefile Cleanup (#7097)
2020-07-09 14:35:17 -07:00
db_iter_stress_test.cc
Test CircleCI with CLANG-10 (#7025)
2020-06-24 16:22:49 -07:00
db_iter_test.cc
Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)
2020-02-20 12:09:57 -08:00
db_iter.cc
Add timestamp to delete (#6253)
2020-05-28 10:40:03 -07:00
db_iter.h
make iterator return versions between timestamp bounds (#6544)
2020-04-10 09:51:58 -07:00
db_iterator_test.cc
More Makefile Cleanup (#7097)
2020-07-09 14:35:17 -07:00
db_log_iter_test.cc
Revert "Whole DBTest to skip fsync (#7049)" (#7070)
2020-07-02 10:22:43 -07:00
db_logical_block_size_cache_test.cc
Get block size only in direct IO mode (#6522)
2020-03-20 15:26:10 -07:00
db_memtable_test.cc
Revert "Whole DBTest to skip fsync (#7049)" (#7070)
2020-07-02 10:22:43 -07:00
db_merge_operand_test.cc
More Makefile Cleanup (#7097)
2020-07-09 14:35:17 -07:00
db_merge_operator_test.cc
More Makefile Cleanup (#7097)
2020-07-09 14:35:17 -07:00
db_options_test.cc
More Makefile Cleanup (#7097)
2020-07-09 14:35:17 -07:00
db_properties_test.cc
More Makefile Cleanup (#7097)
2020-07-09 14:35:17 -07:00
db_range_del_test.cc
More Makefile Cleanup (#7097)
2020-07-09 14:35:17 -07:00
db_sst_test.cc
More Makefile Cleanup (#7097)
2020-07-09 14:35:17 -07:00
db_statistics_test.cc
More Makefile Cleanup (#7097)
2020-07-09 14:35:17 -07:00
db_table_properties_test.cc
More Makefile Cleanup (#7097)
2020-07-09 14:35:17 -07:00
db_tailing_iter_test.cc
Revert "Whole DBTest to skip fsync (#7049)" (#7070)
2020-07-02 10:22:43 -07:00
db_test2.cc
More Makefile Cleanup (#7097)
2020-07-09 14:35:17 -07:00
db_test_util.cc
More Makefile Cleanup (#7097)
2020-07-09 14:35:17 -07:00
db_test_util.h
More Makefile Cleanup (#7097)
2020-07-09 14:35:17 -07:00
db_test.cc
Clean snapshot dir before taking snapshot (#7156)
2020-07-22 13:54:01 -07:00
db_universal_compaction_test.cc
More Makefile Cleanup (#7097)
2020-07-09 14:35:17 -07:00
db_wal_test.cc
More Makefile Cleanup (#7097)
2020-07-09 14:35:17 -07:00
db_with_timestamp_basic_test.cc
More Makefile Cleanup (#7097)
2020-07-09 14:35:17 -07:00
db_with_timestamp_compaction_test.cc
Revert "Whole DBTest to skip fsync (#7049)" (#7070)
2020-07-02 10:22:43 -07:00
db_write_test.cc
More Makefile Cleanup (#7097)
2020-07-09 14:35:17 -07:00
dbformat_test.cc
Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)
2020-02-20 12:09:57 -08:00
dbformat.cc
Separate internal and user key comparators in BlockIter (#6944)
2020-07-07 17:26:16 -07:00
dbformat.h
Separate internal and user key comparators in BlockIter (#6944)
2020-07-07 17:26:16 -07:00
deletefile_test.cc
Revert "Whole DBTest to skip fsync (#7049)" (#7070)
2020-07-02 10:22:43 -07:00
error_handler_fs_test.cc
Remove time out testing cases in error_handler_fs_test (#7141)
2020-07-17 23:27:21 -07:00
error_handler.cc
Auto resume the DB from Retryable IO Error (#6765)
2020-07-15 11:03:58 -07:00
error_handler.h
Auto resume the DB from Retryable IO Error (#6765)
2020-07-15 11:03:58 -07:00
event_helpers.cc
Store DB identity and DB session ID in SST files (#6983)
2020-06-17 10:57:40 -07:00
event_helpers.h
Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)
2020-02-20 12:09:57 -08:00
experimental.cc
Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)
2020-02-20 12:09:57 -08:00
external_sst_file_basic_test.cc
More Makefile Cleanup (#7097)
2020-07-09 14:35:17 -07:00
external_sst_file_ingestion_job.cc
Ingest SST files with checksum information (#6891)
2020-06-11 14:27:36 -07:00
external_sst_file_ingestion_job.h
Ingest SST files with checksum information (#6891)
2020-06-11 14:27:36 -07:00
external_sst_file_test.cc
More Makefile Cleanup (#7097)
2020-07-09 14:35:17 -07:00
fault_injection_test.cc
More Makefile Cleanup (#7097)
2020-07-09 14:35:17 -07:00
file_indexer_test.cc
Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)
2020-02-20 12:09:57 -08:00
file_indexer.cc
Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)
2020-02-20 12:09:57 -08:00
file_indexer.h
Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)
2020-02-20 12:09:57 -08:00
filename_test.cc
Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)
2020-02-20 12:09:57 -08:00
flush_job_test.cc
More Makefile Cleanup (#7097)
2020-07-09 14:35:17 -07:00
flush_job.cc
Store DB identity and DB session ID in SST files (#6983)
2020-06-17 10:57:40 -07:00
flush_job.h
Store DB identity and DB session ID in SST files (#6983)
2020-06-17 10:57:40 -07:00
flush_scheduler.cc
Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)
2020-02-20 12:09:57 -08:00
flush_scheduler.h
Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)
2020-02-20 12:09:57 -08:00
forward_iterator_bench.cc
Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)
2020-02-20 12:09:57 -08:00
forward_iterator.cc
make L0 index/filter pinned memory usage predictable (#6911)
2020-06-09 16:51:23 -07:00
forward_iterator.h
Properly report IO errors when IndexType::kBinarySearchWithFirstKey is used (#6621)
2020-04-15 17:40:44 -07:00
import_column_family_job.cc
Fix potential size_t overflow in import_column_family (#6762)
2020-04-30 08:40:42 -07:00
import_column_family_job.h
Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)
2020-02-20 12:09:57 -08:00
import_column_family_test.cc
More Makefile Cleanup (#7097)
2020-07-09 14:35:17 -07:00
internal_stats.cc
First step towards handling MANIFEST write error (#6949)
2020-06-24 19:07:08 -07:00
internal_stats.h
Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)
2020-02-20 12:09:57 -08:00
job_context.h
Expose the set of live blob files from Version/VersionSet (#6785)
2020-05-04 15:08:13 -07:00
listener_test.cc
Use steady_clock instead of system_clock in FileOperationInfo::TimePoint (#7153)
2020-07-22 08:55:02 -07:00
log_format.h
Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)
2020-02-20 12:09:57 -08:00
log_reader.cc
Fail point-in-time WAL recovery upon IOError reading WAL (#6963)
2020-06-11 18:42:10 -07:00
log_reader.h
Fix tabs and lint-ignores (#6734)
2020-04-20 11:39:31 -07:00
log_test.cc
Revert "Update googletest from 1.8.1 to 1.10.0 (#6808)" (#6923)
2020-06-03 15:55:03 -07:00
log_writer.cc
Fail recovery when MANIFEST record checksum mismatch (#6996)
2020-06-18 10:09:12 -07:00
log_writer.h
Pass IOStatus to write path and set retryable IO Error as hard error in BG jobs (#6487)
2020-03-27 16:04:43 -07:00
logs_with_prep_tracker.cc
Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)
2020-02-20 12:09:57 -08:00
logs_with_prep_tracker.h
Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)
2020-02-20 12:09:57 -08:00
lookup_key.h
Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)
2020-02-20 12:09:57 -08:00
malloc_stats.cc
Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)
2020-02-20 12:09:57 -08:00
malloc_stats.h
Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)
2020-02-20 12:09:57 -08:00
manual_compaction_test.cc
Skip high levels with no key falling in the range in CompactRange (#6482)
2020-03-04 20:15:25 -08:00
memtable_list_test.cc
Pass IOStatus to write path and set retryable IO Error as hard error in BG jobs (#6487)
2020-03-27 16:04:43 -07:00
memtable_list.cc
Fix data race to VersionSet::io_status_ (#7034)
2020-06-27 08:57:31 -07:00
memtable_list.h
Fix some defects reported by Coverity Scan (#6933)
2020-06-04 15:46:27 -07:00
memtable.cc
Implement NextAndGetResult() in memtable and level iterator (#7179)
2020-07-29 09:45:21 -07:00
memtable.h
return timestamp from get (#6409)
2020-03-02 16:01:00 -08:00
merge_context.h
Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)
2020-02-20 12:09:57 -08:00
merge_helper_test.cc
Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)
2020-02-20 12:09:57 -08:00
merge_helper.cc
Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)
2020-02-20 12:09:57 -08:00
merge_helper.h
Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)
2020-02-20 12:09:57 -08:00
merge_operator.cc
Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)
2020-02-20 12:09:57 -08:00
merge_test.cc
Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)
2020-02-20 12:09:57 -08:00
obsolete_files_test.cc
Revert "Whole DBTest to skip fsync (#7049)" (#7070)
2020-07-02 10:22:43 -07:00
options_file_test.cc
Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)
2020-02-20 12:09:57 -08:00
perf_context_test.cc
C++20 compatibility (#6697)
2020-04-20 13:24:25 -07:00
pinned_iterators_manager.h
Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)
2020-02-20 12:09:57 -08:00
plain_table_db_test.cc
More Makefile Cleanup (#7097)
2020-07-09 14:35:17 -07:00
pre_release_callback.h
Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)
2020-02-20 12:09:57 -08:00
prefix_test.cc
Replace reinterpret_cast with static_cast_with_check (#7067)
2020-07-02 19:25:41 -07:00
range_del_aggregator_bench.cc
Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)
2020-02-20 12:09:57 -08:00
range_del_aggregator_test.cc
Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)
2020-02-20 12:09:57 -08:00
range_del_aggregator.cc
Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)
2020-02-20 12:09:57 -08:00
range_del_aggregator.h
Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)
2020-02-20 12:09:57 -08:00
range_tombstone_fragmenter_test.cc
Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)
2020-02-20 12:09:57 -08:00
range_tombstone_fragmenter.cc
Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)
2020-02-20 12:09:57 -08:00
range_tombstone_fragmenter.h
Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)
2020-02-20 12:09:57 -08:00
read_callback.h
Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)
2020-02-20 12:09:57 -08:00
repair_test.cc
Revert "Whole DBTest to skip fsync (#7049)" (#7070)
2020-07-02 10:22:43 -07:00
repair.cc
Reduce env_->GetChildren() calls in DBImpl::Recover() (#7044)
2020-07-10 13:41:08 -07:00
snapshot_checker.h
Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)
2020-02-20 12:09:57 -08:00
snapshot_impl.cc
Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)
2020-02-20 12:09:57 -08:00
snapshot_impl.h
Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)
2020-02-20 12:09:57 -08:00
table_cache.cc
Extend Get/MultiGet deadline support to table open (#6982)
2020-06-29 14:53:17 -07:00
table_cache.h
Extend Get/MultiGet deadline support to table open (#6982)
2020-06-29 14:53:17 -07:00
table_properties_collector_test.cc
Revert "Update googletest from 1.8.1 to 1.10.0 (#6808)" (#6923)
2020-06-03 15:55:03 -07:00
table_properties_collector.cc
Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)
2020-02-20 12:09:57 -08:00
table_properties_collector.h
Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)
2020-02-20 12:09:57 -08:00
transaction_log_impl.cc
Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)
2020-02-20 12:09:57 -08:00
transaction_log_impl.h
Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)
2020-02-20 12:09:57 -08:00
trim_history_scheduler.cc
Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)
2020-02-20 12:09:57 -08:00
trim_history_scheduler.h
Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)
2020-02-20 12:09:57 -08:00
version_builder_test.cc
Clean up blob files based on the linked SST set (#7001)
2020-06-30 15:31:21 -07:00
version_builder.cc
Clean up blob files based on the linked SST set (#7001)
2020-06-30 15:31:21 -07:00
version_builder.h
make L0 index/filter pinned memory usage predictable (#6911)
2020-06-09 16:51:23 -07:00
version_edit_handler.cc
Fail recovery when MANIFEST record checksum mismatch (#6996)
2020-06-18 10:09:12 -07:00
version_edit_handler.h
Fail recovery when MANIFEST record checksum mismatch (#6996)
2020-06-18 10:09:12 -07:00
version_edit_test.cc
Revert "Added the safe-to-ignore tag to version_edit (#6530)" (#6569)
2020-03-23 10:27:47 -07:00
version_edit.cc
Remove unnecessary inclusion of version_edit.h in env (#6952)
2020-06-07 21:56:55 -07:00
version_edit.h
Remove unnecessary inclusion of version_edit.h in env (#6952)
2020-06-07 21:56:55 -07:00
version_set_test.cc
Clean up blob files based on the linked SST set (#7001)
2020-06-30 15:31:21 -07:00
version_set.cc
Implement NextAndGetResult() in memtable and level iterator (#7179)
2020-07-29 09:45:21 -07:00
version_set.h
Suppress a TSAN warning (#7126)
2020-07-15 13:25:14 -07:00
wal_manager_test.cc
Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)
2020-02-20 12:09:57 -08:00
wal_manager.cc
Fix FilterBench when RTTI=0 (#6732)
2020-04-29 13:09:23 -07:00
wal_manager.h
Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)
2020-02-20 12:09:57 -08:00
write_batch_base.cc
Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)
2020-02-20 12:09:57 -08:00
write_batch_internal.h
Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)
2020-02-20 12:09:57 -08:00
write_batch_test.cc
Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)
2020-02-20 12:09:57 -08:00
write_batch.cc
Replace reinterpret_cast with static_cast_with_check (#7067)
2020-07-02 19:25:41 -07:00
write_callback_test.cc
Divide WriteCallbackTest.WriteWithCallbackTest (#7037)
2020-06-30 12:31:30 -07:00
write_callback.h
Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)
2020-02-20 12:09:57 -08:00
write_controller_test.cc
Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)
2020-02-20 12:09:57 -08:00
write_controller.cc
Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)
2020-02-20 12:09:57 -08:00
write_controller.h
Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)
2020-02-20 12:09:57 -08:00
write_thread.cc
fix some spelling typos (#6464)
2020-02-28 14:14:03 -08:00
write_thread.h
Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)
2020-02-20 12:09:57 -08:00