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Yi Wu fe228da0a9 WritePrepared Txn: Support merge operator 
Summary:
CompactionIterator invoke MergeHelper::MergeUntil() to do partial merge between snapshot boundaries. Previously it only depend on sequence number to tell snapshot boundary, but we also need to make use of snapshot_checker to verify visibility of the merge operands to the snapshots. For example, say there is a snapshot with seq = 2 but only can see data with seq <= 1. There are three merges, each with seq = 1, 2, 3. A correct compaction output would be (1),(2+3). Without taking snapshot_checker into account when generating merge result, compaction will generate output (1+2),(3).

By filtering uncommitted keys with read callback, the read path already take care of merges well and don't need additional updates.
Closes https://github.com/facebook/rocksdb/pull/3475

Differential Revision: D6926087

Pulled By: yiwu-arbug

fbshipit-source-id: 8f539d6f897cfe29b6dc27a8992f68c2a629d40a
2018-02-09 14:57:54 -08:00
..
builder.cc
WritePrepared Txn: Support merge operator
2018-02-09 14:57:54 -08:00
builder.h
Stream
2017-11-10 09:26:24 -08:00
c_test.c
Added save points for transactions C API
2017-09-14 14:18:59 -07:00
c.cc
add support for allow_ingest_behind in C API
2018-01-08 17:26:31 -08:00
column_family_test.cc
fix DBTest.AutomaticConflictsWithManualCompaction
2018-01-16 23:12:00 -08:00
column_family.cc
log flush reason for better debugging experience
2018-02-09 12:12:43 -08:00
column_family.h
log flush reason for better debugging experience
2018-02-09 12:12:43 -08:00
compact_files_test.cc
Revert "comment out unused parameters"
2017-07-21 18:26:26 -07:00
compacted_db_impl.cc
Fix coverity issues column_family, compaction_db/iterator
2017-10-27 11:26:42 -07:00
compacted_db_impl.h
Revert "comment out unused parameters"
2017-07-21 18:26:26 -07:00
compaction_iteration_stats.h
add counter for deletion dropping optimization
2017-08-19 14:10:08 -07:00
compaction_iterator_test.cc
WritePrepared Txn: Support merge operator
2018-02-09 14:57:54 -08:00
compaction_iterator.cc
WritePrepared Txn: Support merge operator
2018-02-09 14:57:54 -08:00
compaction_iterator.h
Added support for differential snapshots
2017-11-01 18:56:43 -07:00
compaction_job_stats_test.cc
Revert "comment out unused parameters"
2017-07-21 18:26:26 -07:00
compaction_job_test.cc
WritePrepared Txn: PreReleaseCallback
2017-11-30 23:50:45 -08:00
compaction_job.cc
WritePrepared Txn: Support merge operator
2018-02-09 14:57:54 -08:00
compaction_job.h
Make DBOption compaction_readahead_size dynamic
2017-11-16 17:57:25 -08:00
compaction_picker_test.cc
Improve fallocate size in compaction output
2018-01-22 16:43:46 -08:00
compaction_picker_universal.cc
Incorrect Universal Compaction reason
2018-01-26 11:12:40 -08:00
compaction_picker_universal.h
Make Universal compaction options dynamic
2017-12-11 13:27:06 -08:00
compaction_picker.cc
use bottommost compression when base level is bottommost
2017-11-09 17:42:00 -08:00
compaction_picker.h
fix hanging after CompactFiles with L0 overlap
2017-09-13 15:41:38 -07:00
compaction.cc
Improve fallocate size in compaction output
2018-01-22 16:43:46 -08:00
compaction.h
Change RocksDB License
2017-07-15 16:11:23 -07:00
comparator_db_test.cc
Revert "comment out unused parameters"
2017-07-21 18:26:26 -07:00
convenience.cc
Delete files in multiple ranges at once
2018-01-30 13:56:39 -08:00
corruption_test.cc
fix corruption_test valgrind
2017-08-11 12:29:14 -07:00
cuckoo_table_db_test.cc
Enable MSVC W4 with a few exceptions. Fix warnings and bugs
2017-10-19 10:57:12 -07:00
db_basic_test.cc
Handle error return from WriteBuffer()
2018-02-05 13:59:34 -08:00
db_blob_index_test.cc
fix lite build
2017-10-17 08:57:09 -07:00
db_block_cache_test.cc
Use block cache to track memory usage when ReadOptions.fill_cache=false
2018-01-29 14:43:10 -08:00
db_bloom_filter_test.cc
Revert "comment out unused parameters"
2017-07-21 18:26:26 -07:00
db_compaction_filter_test.cc
Split CompactionFilterWithValueChange
2017-10-20 15:42:07 -07:00
db_compaction_test.cc
Delete files in multiple ranges at once
2018-01-30 13:56:39 -08:00
db_dynamic_level_test.cc
Revert "comment out unused parameters"
2017-07-21 18:26:26 -07:00
db_encryption_test.cc
Change RocksDB License
2017-07-15 16:11:23 -07:00
db_filesnapshot.cc
log flush reason for better debugging experience
2018-02-09 12:12:43 -08:00
db_flush_test.cc
Handle error return from WriteBuffer()
2018-02-05 13:59:34 -08:00
db_impl_compaction_flush.cc
log flush reason for better debugging experience
2018-02-09 12:12:43 -08:00
db_impl_debug.cc
log flush reason for better debugging experience
2018-02-09 12:12:43 -08:00
db_impl_experimental.cc
Inform caller when rocksdb is stalling writes
2017-10-05 18:11:43 -07:00
db_impl_files.cc
fix live WALs purged while file deletions disabled
2018-01-17 17:42:04 -08:00
db_impl_open.cc
WritePrepared Txn: PreReleaseCallback
2017-11-30 23:50:45 -08:00
db_impl_readonly.cc
WritePrepared Txn: Iterator
2017-10-09 17:15:28 -07:00
db_impl_readonly.h
Revert "comment out unused parameters"
2017-07-21 18:26:26 -07:00
db_impl_write.cc
log flush reason for better debugging experience
2018-02-09 12:12:43 -08:00
db_impl.cc
log flush reason for better debugging experience
2018-02-09 12:12:43 -08:00
db_impl.h
log flush reason for better debugging experience
2018-02-09 12:12:43 -08:00
db_info_dumper.cc
Change RocksDB License
2017-07-15 16:11:23 -07:00
db_info_dumper.h
Change RocksDB License
2017-07-15 16:11:23 -07:00
db_inplace_update_test.cc
Change RocksDB License
2017-07-15 16:11:23 -07:00
db_io_failure_test.cc
Fix LITE unit tests
2017-07-26 21:11:47 -07:00
db_iter_test.cc
fix Seek with lower_bound
2017-11-29 22:56:29 -08:00
db_iter.cc
Fix use-after-free in tailing iterator with merge operator
2018-02-02 21:26:28 -08:00
db_iter.h
WritePrepared Txn: Return NotSupported on iterator refresh
2017-12-18 22:29:30 -08:00
db_iterator_test.cc
WritePrepared Txn: update compaction_iterator_test and db_iterator_test
2018-02-06 14:12:13 -08:00
db_log_iter_test.cc
Change RocksDB License
2017-07-15 16:11:23 -07:00
db_memtable_test.cc
WritePrepared Txn: Duplicate Keys, Memtable part
2018-01-31 18:57:07 -08:00
db_merge_operator_test.cc
WritePrepared Txn: Support merge operator
2018-02-09 14:57:54 -08:00
db_options_test.cc
fix live WALs purged while file deletions disabled
2018-01-17 17:42:04 -08:00
db_properties_test.cc
Add DB::Properties::kEstimateOldestKeyTime
2017-10-23 15:27:27 -07:00
db_range_del_test.cc
Fix wrong smallest key of delete range tombstones
2017-08-29 18:41:35 -07:00
db_sst_test.cc
Fix DeleteScheduler::MarkAsTrash() handling existing trash
2017-12-12 18:17:13 -08:00
db_statistics_test.cc
Change RocksDB License
2017-07-15 16:11:23 -07:00
db_table_properties_test.cc
fix deletion-triggered compaction in table builder
2017-09-28 18:17:30 -07:00
db_tailing_iter_test.cc
Revert "comment out unused parameters"
2017-07-21 18:26:26 -07:00
db_test2.cc
fix DBTest2.ReadAmpBitmapLiveInCacheAfterDBClose file ID support check
2018-01-30 16:50:42 -08:00
db_test_util.cc
Fix multiple build failures
2018-01-16 17:30:39 -08:00
db_test_util.h
WritePrepared Txn: Duplicate Keys, Memtable part
2018-01-31 18:57:07 -08:00
db_test.cc
WritePrepared Txn: Duplicate Keys, Memtable part
2018-01-31 18:57:07 -08:00
db_universal_compaction_test.cc
Tests for dynamic universal compaction options
2018-01-29 16:42:45 -08:00
db_wal_test.cc
WritePrepared Txn: PreReleaseCallback
2017-11-30 23:50:45 -08:00
db_write_test.cc
BlobDB: Remove the need to get sequence number per write
2017-12-15 13:27:30 -08:00
dbformat_test.cc
Change RocksDB License
2017-07-15 16:11:23 -07:00
dbformat.cc
WritePrepared Txn: Duplicate Keys, Memtable part
2018-01-31 18:57:07 -08:00
dbformat.h
WritePrepared Txn: Duplicate Keys, Memtable part
2018-01-31 18:57:07 -08:00
deletefile_test.cc
Revert "comment out unused parameters"
2017-07-21 18:26:26 -07:00
event_helpers.cc
Change RocksDB License
2017-07-15 16:11:23 -07:00
event_helpers.h
Change RocksDB License
2017-07-15 16:11:23 -07:00
experimental.cc
Replace dynamic_cast<>
2017-07-28 16:27:16 -07:00
external_sst_file_basic_test.cc
optimize file ingestion checks for range deletion overlap
2017-11-28 11:27:02 -08:00
external_sst_file_ingestion_job.cc
WritePrepared Txn: PreReleaseCallback
2017-11-30 23:50:45 -08:00
external_sst_file_ingestion_job.h
optimize file ingestion checks for range deletion overlap
2017-11-28 11:27:02 -08:00
external_sst_file_test.cc
Upgrade Appveyor to VS2017
2018-02-01 13:57:01 -08:00
fault_injection_test.cc
Revert "comment out unused parameters"
2017-07-21 18:26:26 -07:00
file_indexer_test.cc
Revert "comment out unused parameters"
2017-07-21 18:26:26 -07:00
file_indexer.cc
Change RocksDB License
2017-07-15 16:11:23 -07:00
file_indexer.h
Change RocksDB License
2017-07-15 16:11:23 -07:00
filename_test.cc
Change RocksDB License
2017-07-15 16:11:23 -07:00
flush_job_test.cc
Add a histogram stat for memtable flush
2017-12-15 18:57:00 -08:00
flush_job.cc
log flush reason for better debugging experience
2018-02-09 12:12:43 -08:00
flush_job.h
WritePrepared Txn: Compaction/Flush
2017-10-06 10:41:53 -07:00
flush_scheduler.cc
Change RocksDB License
2017-07-15 16:11:23 -07:00
flush_scheduler.h
Change RocksDB License
2017-07-15 16:11:23 -07:00
forward_iterator_bench.cc
fix gflags namespace
2017-12-01 10:42:05 -08:00
forward_iterator.cc
Fix use-after-free in tailing iterator with merge operator
2018-02-02 21:26:28 -08:00
forward_iterator.h
Fix use-after-free in tailing iterator with merge operator
2018-02-02 21:26:28 -08:00
internal_stats.cc
TableProperty::oldest_key_time defaults to 0
2017-10-27 15:00:05 -07:00
internal_stats.h
Add DB::Properties::kEstimateOldestKeyTime
2017-10-23 15:27:27 -07:00
job_context.h
Prevent unnecessary calls to PurgeObsoleteFiles
2018-01-12 13:27:08 -08:00
listener_test.cc
Incorrect Universal Compaction reason
2018-01-26 11:12:40 -08:00
log_format.h
Change RocksDB License
2017-07-15 16:11:23 -07:00
log_reader.cc
Change RocksDB License
2017-07-15 16:11:23 -07:00
log_reader.h
Suppress lint in old files
2018-01-29 12:56:42 -08:00
log_test.cc
Enable MSVC W4 with a few exceptions. Fix warnings and bugs
2017-10-19 10:57:12 -07:00
log_writer.cc
Change RocksDB License
2017-07-15 16:11:23 -07:00
log_writer.h
Change RocksDB License
2017-07-15 16:11:23 -07:00
malloc_stats.cc
DB::DumpSupportInfo should log all supported compression types
2018-01-23 14:44:12 -08:00
malloc_stats.h
Change RocksDB License
2017-07-15 16:11:23 -07:00
managed_iterator.cc
Change RocksDB License
2017-07-15 16:11:23 -07:00
managed_iterator.h
Change RocksDB License
2017-07-15 16:11:23 -07:00
manual_compaction_test.cc
Revert "comment out unused parameters"
2017-07-21 18:26:26 -07:00
memtable_list_test.cc
Change RocksDB License
2017-07-15 16:11:23 -07:00
memtable_list.cc
Add DB::Properties::kEstimateOldestKeyTime
2017-10-23 15:27:27 -07:00
memtable_list.h
Fix Flush() keep waiting after flush finish
2018-01-18 17:45:16 -08:00
memtable.cc
WritePrepared Txn: Duplicate Keys, Memtable part
2018-01-31 18:57:07 -08:00
memtable.h
WritePrepared Txn: Duplicate Keys, Memtable part
2018-01-31 18:57:07 -08:00
merge_context.h
Change RocksDB License
2017-07-15 16:11:23 -07:00
merge_helper_test.cc
Change RocksDB License
2017-07-15 16:11:23 -07:00
merge_helper.cc
WritePrepared Txn: Support merge operator
2018-02-09 14:57:54 -08:00
merge_helper.h
WritePrepared Txn: Support merge operator
2018-02-09 14:57:54 -08:00
merge_operator.cc
Change RocksDB License
2017-07-15 16:11:23 -07:00
merge_test.cc
Revert "comment out unused parameters"
2017-07-21 18:26:26 -07:00
options_file_test.cc
Change RocksDB License
2017-07-15 16:11:23 -07:00
perf_context_test.cc
Change RocksDB License
2017-07-15 16:11:23 -07:00
pinned_iterators_manager.h
Change RocksDB License
2017-07-15 16:11:23 -07:00
plain_table_db_test.cc
Revert "comment out unused parameters"
2017-07-21 18:26:26 -07:00
pre_release_callback.h
WritePrepared Txn: PreReleaseCallback
2017-11-30 23:50:45 -08:00
prefix_test.cc
fix gflags namespace
2017-12-01 10:42:05 -08:00
range_del_aggregator_test.cc
optimize file ingestion checks for range deletion overlap
2017-11-28 11:27:02 -08:00
range_del_aggregator.cc
optimize file ingestion checks for range deletion overlap
2017-11-28 11:27:02 -08:00
range_del_aggregator.h
optimize file ingestion checks for range deletion overlap
2017-11-28 11:27:02 -08:00
read_callback.h
write-prepared txn: call IsInSnapshot
2017-09-11 09:14:48 -07:00
repair_test.cc
fix file numbers after repair
2017-10-10 13:12:37 -07:00
repair.cc
WritePrepared Txn: PreReleaseCallback
2017-11-30 23:50:45 -08:00
snapshot_checker.h
WritePrepared Txn: Disable GC during recovery
2017-10-18 09:11:50 -07:00
snapshot_impl.cc
Change RocksDB License
2017-07-15 16:11:23 -07:00
snapshot_impl.h
Disable options_settable_test in UBSAN and fix UBSAN failure in blob_…
2018-02-07 14:42:26 -08:00
table_cache.cc
Make DBOption compaction_readahead_size dynamic
2017-11-16 17:57:25 -08:00
table_cache.h
Change RocksDB License
2017-07-15 16:11:23 -07:00
table_properties_collector_test.cc
Revert "comment out unused parameters"
2017-07-21 18:26:26 -07:00
table_properties_collector.cc
fix duplicate definition of GetEntryType()
2017-11-01 22:56:17 -07:00
table_properties_collector.h
Revert "comment out unused parameters"
2017-07-21 18:26:26 -07:00
transaction_log_impl.cc
WritePrepared Txn: Refactor conf params
2017-11-10 17:28:12 -08:00
transaction_log_impl.h
WritePrepared Txn: Refactor conf params
2017-11-10 17:28:12 -08:00
version_builder_test.cc
Change RocksDB License
2017-07-15 16:11:23 -07:00
version_builder.cc
Fix coverity issues version, write_batch
2017-12-07 11:57:36 -08:00
version_builder.h
Allow DB reopen with reduced options.num_levels
2017-08-24 16:10:54 -07:00
version_edit_test.cc
Change RocksDB License
2017-07-15 16:11:23 -07:00
version_edit.cc
Revert "comment out unused parameters"
2017-07-21 18:26:26 -07:00
version_edit.h
Fix coverity issues version, write_batch
2017-12-07 11:57:36 -08:00
version_set_test.cc
Revert "comment out unused parameters"
2017-07-21 18:26:26 -07:00
version_set.cc
Suppress unused warnings
2018-02-02 12:27:07 -08:00
version_set.h
WritePrepared Txn: PreReleaseCallback
2017-11-30 23:50:45 -08:00
wal_manager_test.cc
WritePrepared Txn: PreReleaseCallback
2017-11-30 23:50:45 -08:00
wal_manager.cc
Fix memleak when DB::DeleteFile()
2018-01-11 18:57:33 -08:00
wal_manager.h
Fix memleak when DB::DeleteFile()
2018-01-11 18:57:33 -08:00
write_batch_base.cc
Change RocksDB License
2017-07-15 16:11:23 -07:00
write_batch_internal.h
WritePrepared Txn: Duplicate Keys, Txn Part
2018-02-05 18:43:24 -08:00
write_batch_test.cc
Enable MSVC W4 with a few exceptions. Fix warnings and bugs
2017-10-19 10:57:12 -07:00
write_batch.cc
WritePrepared Txn: Duplicate Keys, Txn Part
2018-02-05 18:43:24 -08:00
write_callback_test.cc
WritePrepared Txn: Duplicate Keys, Txn Part
2018-02-05 18:43:24 -08:00
write_callback.h
Change RocksDB License
2017-07-15 16:11:23 -07:00
write_controller_test.cc
Change RocksDB License
2017-07-15 16:11:23 -07:00
write_controller.cc
Change RocksDB License
2017-07-15 16:11:23 -07:00
write_controller.h
Change RocksDB License
2017-07-15 16:11:23 -07:00
write_thread.cc
Fix IOError on WAL write doesn't propagate to write group follower
2017-11-28 11:42:48 -08:00
write_thread.h
WritePrepared Txn: Duplicate Keys, Txn Part
2018-02-05 18:43:24 -08:00