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Yanqin Jin b512f4bc76 Batch blob read IO for MultiGet (#8699) 
Summary:
In batched `MultiGet()`, RocksDB batches blob read IO and uses `RandomAccessFileReader::MultiRead()`
to read the blobs instead of issuing multiple `Read()`.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/8699

Test Plan:
```
make check
```

Reviewed By: ltamasi

Differential Revision: D31030861

Pulled By: riversand963

fbshipit-source-id: a0df6060cbfd54cff9515a4eee08807b1dbcb0c8
2021-09-17 19:23:13 -07:00
..
blob
Batch blob read IO for MultiGet (#8699)
2021-09-17 19:23:13 -07:00
compaction
Expose blob file information through the EventListener interface (#8675)
2021-09-16 17:23:36 -07:00
db_impl
Batch blob read IO for MultiGet (#8699)
2021-09-17 19:23:13 -07:00
arena_wrapped_db_iter.cc
Rename ImmutableOptions variables (#8409)
2021-06-16 16:51:38 -07:00
arena_wrapped_db_iter.h
Always iniitalize ArenaWrappedDBIter::db_iter_ to nullptr (#8889)
2021-09-14 14:33:15 -07:00
builder.cc
Expose blob file information through the EventListener interface (#8675)
2021-09-16 17:23:36 -07:00
builder.h
Expose blob file information through the EventListener interface (#8675)
2021-09-16 17:23:36 -07:00
c_test.c
Add Bloom/Ribbon hybrid API support (#8679)
2021-08-20 18:00:16 -07:00
c.cc
Add Bloom/Ribbon hybrid API support (#8679)
2021-08-20 18:00:16 -07:00
column_family_test.cc
Make MemTableRepFactory into a Customizable class (#8419)
2021-09-08 07:46:44 -07:00
column_family.cc
Add DB properties for BlobDB (#8734)
2021-09-08 12:22:04 -07:00
column_family.h
Add DB properties for BlobDB (#8734)
2021-09-08 12:22:04 -07:00
compact_files_test.cc
Compaction should not move data to up level (#8116)
2021-03-29 17:10:42 -07:00
comparator_db_test.cc
Remove unused includes (#7604)
2020-10-28 23:22:27 -07:00
convenience.cc
Make ImmutableOptions struct that inherits from ImmutableCFOptions and ImmutableDBOptions (#8262)
2021-05-05 14:00:17 -07:00
corruption_test.cc
Add CreateFrom methods to Env/FileSystem (#8174)
2021-06-15 03:43:48 -07:00
cuckoo_table_db_test.cc
Remove some unneeded code (#8736)
2021-09-01 14:28:58 -07:00
db_basic_test.cc
Change the File System File Wrappers to std::unique_ptr (#8618)
2021-09-13 08:46:19 -07:00
db_block_cache_test.cc
Fix PrepopulateBlockCache::kFlushOnly (#8750)
2021-09-15 15:33:20 -07:00
db_bloom_filter_test.cc
Make MemTableRepFactory into a Customizable class (#8419)
2021-09-08 07:46:44 -07:00
db_compaction_filter_test.cc
Fix a minor issue with initializing the test path (#8555)
2021-07-23 08:38:45 -07:00
db_compaction_test.cc
Make MemTableRepFactory into a Customizable class (#8419)
2021-09-08 07:46:44 -07:00
db_dynamic_level_test.cc
Fix a minor issue with initializing the test path (#8555)
2021-07-23 08:38:45 -07:00
db_encryption_test.cc
Fix a minor issue with initializing the test path (#8555)
2021-07-23 08:38:45 -07:00
db_filesnapshot.cc
DB::GetSortedWalFiles() to ensure file deletion is disabled (#8591)
2021-07-29 11:51:08 -07:00
db_flush_test.cc
Make MemTableRepFactory into a Customizable class (#8419)
2021-09-08 07:46:44 -07:00
db_info_dumper.cc
Allow WAL dir to change with db dir (#8582)
2021-07-30 12:16:44 -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
Fix a minor issue with initializing the test path (#8555)
2021-07-23 08:38:45 -07:00
db_io_failure_test.cc
Make MemTableRepFactory into a Customizable class (#8419)
2021-09-08 07:46:44 -07:00
db_iter_stress_test.cc
Make ImmutableOptions struct that inherits from ImmutableCFOptions and ImmutableDBOptions (#8262)
2021-05-05 14:00:17 -07:00
db_iter_test.cc
Remove some unneeded code (#8736)
2021-09-01 14:28:58 -07:00
db_iter.cc
Rename ImmutableOptions variables (#8409)
2021-06-16 16:51:38 -07:00
db_iter.h
Rename ImmutableOptions variables (#8409)
2021-06-16 16:51:38 -07:00
db_iterator_test.cc
Fix a minor issue with initializing the test path (#8555)
2021-07-23 08:38:45 -07:00
db_kv_checksum_test.cc
Allow WriteBatch to have keys with different timestamp sizes (#8725)
2021-09-12 15:34:26 -07:00
db_log_iter_test.cc
Attempt to deflake DBTestXactLogIterator.TransactionLogIteratorCorruptedLog (#8627)
2021-08-10 11:10:07 -07:00
db_logical_block_size_cache_test.cc
Add further tests to ASSERT_STATUS_CHECKED (2) (#7698)
2020-12-09 21:21:16 -08:00
db_memtable_test.cc
Fix a minor issue with initializing the test path (#8555)
2021-07-23 08:38:45 -07:00
db_merge_operand_test.cc
Fix a minor issue with initializing the test path (#8555)
2021-07-23 08:38:45 -07:00
db_merge_operator_test.cc
Fix a minor issue with initializing the test path (#8555)
2021-07-23 08:38:45 -07:00
db_options_test.cc
Fix a minor issue with initializing the test path (#8555)
2021-07-23 08:38:45 -07:00
db_properties_test.cc
Fix a minor issue with initializing the test path (#8555)
2021-07-23 08:38:45 -07:00
db_range_del_test.cc
Make MemTableRepFactory into a Customizable class (#8419)
2021-09-08 07:46:44 -07:00
db_secondary_test.cc
Make MemTableRepFactory into a Customizable class (#8419)
2021-09-08 07:46:44 -07:00
db_sst_test.cc
Fix flaky WALTrashCleanupOnOpen (#8917)
2021-09-15 21:31:20 -07:00
db_statistics_test.cc
Bytes read stat for VerifyChecksum() and VerifyFileChecksums() APIs (#8741)
2021-09-07 13:28:29 -07:00
db_table_properties_test.cc
Fix a minor issue with initializing the test path (#8555)
2021-07-23 08:38:45 -07:00
db_tailing_iter_test.cc
Fix a minor issue with initializing the test path (#8555)
2021-07-23 08:38:45 -07:00
db_test2.cc
Make Statistics a Customizable Class (#8637)
2021-09-10 09:47:39 -07:00
db_test_util.cc
Remove some unneeded code (#8736)
2021-09-01 14:28:58 -07:00
db_test_util.h
Make MemTableRepFactory into a Customizable class (#8419)
2021-09-08 07:46:44 -07:00
db_test.cc
Fix WAL log data corruption #8723 (#8746)
2021-09-13 20:15:59 -07:00
db_universal_compaction_test.cc
Make MemTableRepFactory into a Customizable class (#8419)
2021-09-08 07:46:44 -07:00
db_wal_test.cc
Fix a minor issue with initializing the test path (#8555)
2021-07-23 08:38:45 -07:00
db_with_timestamp_basic_test.cc
Allow WriteBatch to have keys with different timestamp sizes (#8725)
2021-09-12 15:34:26 -07:00
db_with_timestamp_compaction_test.cc
Make MemTableRepFactory into a Customizable class (#8419)
2021-09-08 07:46:44 -07:00
db_write_buffer_manager_test.cc
Fix a minor issue with initializing the test path (#8555)
2021-07-23 08:38:45 -07:00
db_write_test.cc
Fix a minor issue with initializing the test path (#8555)
2021-07-23 08:38:45 -07:00
dbformat_test.cc
Remove unused includes (#7604)
2020-10-28 23:22:27 -07:00
dbformat.cc
Remove some unneeded code (#8736)
2021-09-01 14:28:58 -07:00
dbformat.h
Fix some typos in comments (#8066)
2021-03-25 21:18:08 -07:00
deletefile_test.cc
Fix a minor issue with initializing the test path (#8555)
2021-07-23 08:38:45 -07:00
error_handler_fs_test.cc
Remove some unneeded code (#8736)
2021-09-01 14:28:58 -07:00
error_handler.cc
DB::GetSortedWalFiles() to ensure file deletion is disabled (#8591)
2021-07-29 11:51:08 -07:00
error_handler.h
Fix some typos in comments (#8066)
2021-03-25 21:18:08 -07:00
event_helpers.cc
Expose blob file information through the EventListener interface (#8675)
2021-09-16 17:23:36 -07:00
event_helpers.h
Expose blob file information through the EventListener interface (#8675)
2021-09-16 17:23:36 -07:00
experimental.cc
Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)
2020-02-20 12:09:57 -08:00
external_sst_file_basic_test.cc
Bypass unused parameterization in ExternalSSTFileBasicTest.IngestExte… (#8910)
2021-09-13 12:18:15 -07:00
external_sst_file_ingestion_job.cc
Support custom Env in db_sst_test and external_sst_file_basic_test (#8888)
2021-09-08 21:21:49 -07:00
external_sst_file_ingestion_job.h
Use SystemClock* instead of std::shared_ptr<SystemClock> in lower level routines (#8033)
2021-03-15 04:34:11 -07:00
external_sst_file_test.cc
Fix a minor issue with initializing the test path (#8555)
2021-07-23 08:38:45 -07:00
fault_injection_test.cc
Add more tests for assert status checked (#7524)
2020-12-22 23:45:58 -08:00
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
Remove unused includes (#7604)
2020-10-28 23:22:27 -07:00
flush_job_test.cc
Fix NotifyOnFlushCompleted() for atomic flush (#8585)
2021-08-03 13:31:10 -07:00
flush_job.cc
Expose blob file information through the EventListener interface (#8675)
2021-09-16 17:23:36 -07:00
flush_job.h
Add condition on NotifyOnFlushComplete that FlushJob was not mempurge. Add event listeners to mempurge tests. (#8672)
2021-08-18 17:40:01 -07:00
flush_scheduler.cc
Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)
2020-02-20 12:09:57 -08:00
flush_scheduler.h
Include C++ standard library headers instead of C compatibility headers (#8068)
2021-03-19 12:09:47 -07:00
forward_iterator_bench.cc
Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)
2020-02-20 12:09:57 -08:00
forward_iterator.cc
Fix some typos in comments (#8066)
2021-03-25 21:18:08 -07:00
forward_iterator.h
Replace most typedef with using= (#8751)
2021-09-07 11:31:59 -07:00
import_column_family_job.cc
Add a SystemClock class to capture the time functions of an Env (#7858)
2021-01-25 22:09:11 -08:00
import_column_family_job.h
Use SystemClock* instead of std::shared_ptr<SystemClock> in lower level routines (#8033)
2021-03-15 04:34:11 -07:00
import_column_family_test.cc
Fix a minor issue with initializing the test path (#8555)
2021-07-23 08:38:45 -07:00
internal_stats.cc
Use GetBlobFileSize instead of GetTotalBlobBytes in DB properties (#8902)
2021-09-13 10:47:16 -07:00
internal_stats.h
Add DB properties for BlobDB (#8734)
2021-09-08 12:22:04 -07:00
job_context.h
Fix and detect headers with missing dependencies (#8893)
2021-09-10 10:00:26 -07:00
kv_checksum.h
Adapt key-value checksum for timestamp-suffixed keys (#8914)
2021-09-14 13:14:39 -07:00
listener_test.cc
Expose blob file information through the EventListener interface (#8675)
2021-09-16 17:23:36 -07:00
log_format.h
Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)
2020-02-20 12:09:57 -08:00
log_reader.cc
Fix kPointInTimeRecovery handling of truncated WAL (#7701)
2020-11-30 18:11:38 -08:00
log_reader.h
Real fix for race in backup custom checksum checking (#7309)
2020-08-26 10:39:20 -07:00
log_test.cc
Make StringEnv, StringSink, StringSource use FS classes (#7786)
2021-01-04 16:01:01 -08:00
log_writer.cc
Using existing crc32c checksum in checksum handoff for Manifest and WAL (#8412)
2021-06-25 00:47:17 -07:00
log_writer.h
Include C++ standard library headers instead of C compatibility headers (#8068)
2021-03-19 12:09:47 -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
Include C++ standard library headers instead of C compatibility headers (#8068)
2021-03-19 12:09:47 -07:00
lookup_key.h
Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)
2020-02-20 12:09:57 -08:00
malloc_stats.cc
Replace most typedef with using= (#8751)
2021-09-07 11:31:59 -07:00
malloc_stats.h
Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)
2020-02-20 12:09:57 -08:00
manual_compaction_test.cc
Add more tests for assert status checked (#7524)
2020-12-22 23:45:58 -08:00
memtable_list_test.cc
Fix NotifyOnFlushCompleted() for atomic flush (#8585)
2021-08-03 13:31:10 -07:00
memtable_list.cc
Improve MemPurge sampling (#8656)
2021-08-13 14:35:41 -07:00
memtable_list.h
Improve MemPurge sampling (#8656)
2021-08-13 14:35:41 -07:00
memtable.cc
Adapt key-value checksum for timestamp-suffixed keys (#8914)
2021-09-14 13:14:39 -07:00
memtable.h
Adapt key-value checksum for timestamp-suffixed keys (#8914)
2021-09-14 13:14:39 -07:00
merge_context.h
Add Merge Operator support to WriteBatchWithIndex (#8135)
2021-05-10 12:50:25 -07:00
merge_helper_test.cc
Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)
2020-02-20 12:09:57 -08:00
merge_helper.cc
Add support for Merge with base value during Compaction in IntegratedBlobDB (#8445)
2021-06-24 18:11:30 -07:00
merge_helper.h
Add support for Merge with base value during Compaction in IntegratedBlobDB (#8445)
2021-06-24 18:11:30 -07:00
merge_operator.cc
Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)
2020-02-20 12:09:57 -08:00
merge_test.cc
Built-in support for generating unique IDs, bug fix (#8708)
2021-08-30 15:20:41 -07:00
obsolete_files_test.cc
Attempt to deflake ObsoleteFilesTest.DeleteObsoleteOptionsFile (#8624)
2021-08-05 18:36:16 -07:00
options_file_test.cc
No elide constructors (#7798)
2020-12-23 16:55:53 -08:00
output_validator.cc
Use NPHash64 in more places (#7632)
2020-11-10 23:42:13 -08:00
output_validator.h
Add remote compaction public API (#8300)
2021-05-19 21:41:31 -07:00
perf_context_test.cc
Use SystemClock* instead of std::shared_ptr<SystemClock> in lower level routines (#8033)
2021-03-15 04:34:11 -07:00
periodic_work_scheduler_test.cc
Fix a minor issue with initializing the test path (#8555)
2021-07-23 08:38:45 -07:00
periodic_work_scheduler.cc
Use SystemClock* instead of std::shared_ptr<SystemClock> in lower level routines (#8033)
2021-03-15 04:34:11 -07:00
periodic_work_scheduler.h
Add a SystemClock class to capture the time functions of an Env (#7858)
2021-01-25 22:09:11 -08:00
pinned_iterators_manager.h
Replace most typedef with using= (#8751)
2021-09-07 11:31:59 -07:00
plain_table_db_test.cc
Remove some unneeded code (#8736)
2021-09-01 14:28:58 -07:00
pre_release_callback.h
Fix and detect headers with missing dependencies (#8893)
2021-09-10 10:00:26 -07:00
prefix_test.cc
Use SystemClock* instead of std::shared_ptr<SystemClock> in lower level routines (#8033)
2021-03-15 04:34:11 -07:00
range_del_aggregator_bench.cc
Use SystemClock* instead of std::shared_ptr<SystemClock> in lower level routines (#8033)
2021-03-15 04:34:11 -07:00
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
In ParseInternalKey(), include corrupt key info in Status (#7515)
2020-10-28 10:12:58 -07:00
range_del_aggregator.h
Fix some typos in comments (#8066)
2021-03-25 21:18:08 -07:00
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
Added memtable garbage statistics (#8411)
2021-06-18 04:57:27 -07:00
range_tombstone_fragmenter.h
Added memtable garbage statistics (#8411)
2021-06-18 04:57:27 -07:00
read_callback.h
Fix and detect headers with missing dependencies (#8893)
2021-09-10 10:00:26 -07:00
repair_test.cc
Some fixes and enhancements to ldb repair (#8544)
2021-07-28 16:44:14 -07:00
repair.cc
Expose blob file information through the EventListener interface (#8675)
2021-09-16 17:23:36 -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
Fix and detect headers with missing dependencies (#8893)
2021-09-10 10:00:26 -07:00
table_cache.cc
Fix use-after-free on implicit temporary FileOptions (#8571)
2021-07-27 21:49:14 -07:00
table_cache.h
Fix use-after-free on implicit temporary FileOptions (#8571)
2021-07-27 21:49:14 -07:00
table_properties_collector_test.cc
Make it possible to apply only a subrange of table property collectors (#8298)
2021-05-17 18:28:39 -07:00
table_properties_collector.cc
Apply sample_for_compression to all block-based tables (#8105)
2021-03-25 15:00:45 -07:00
table_properties_collector.h
Partially revert the "apply subrange of table property collectors" change (#8465)
2021-07-06 10:14:32 -07:00
transaction_log_impl.cc
Add more tests for assert status checked (#7524)
2020-12-22 23:45:58 -08:00
transaction_log_impl.h
Store FileSystemPtr object that contains FileSystem ptr (#7180)
2020-08-12 17:31:23 -07:00
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
Print blob file checksums as hex (#8437)
2021-06-22 09:49:44 -07:00
version_builder.cc
Remove some unneeded code (#8736)
2021-09-01 14:28:58 -07:00
version_builder.h
Handle blob files when options.best_efforts_recovery is true (#8180)
2021-04-19 11:56:14 -07:00
version_edit_handler.cc
Fix a bug of secondary instance sequence going backward (#8653)
2021-08-24 18:18:36 -07:00
version_edit_handler.h
Fixed manifest_dump issues when printing keys and values containing null characters (#8378)
2021-06-10 12:55:20 -07:00
version_edit_test.cc
Make it able to ignore WAL related VersionEdits in older versions (#7873)
2021-01-19 19:27:53 -08:00
version_edit.cc
Write file temperature information to manifest (#8284)
2021-05-17 15:15:23 -07:00
version_edit.h
Write file temperature information to manifest (#8284)
2021-05-17 15:15:23 -07:00
version_set_test.cc
Print blob file checksums as hex (#8437)
2021-06-22 09:49:44 -07:00
version_set.cc
Batch blob read IO for MultiGet (#8699)
2021-09-17 19:23:13 -07:00
version_set.h
Batch blob read IO for MultiGet (#8699)
2021-09-17 19:23:13 -07:00
wal_edit_test.cc
Always track WAL obsoletion (#7759)
2020-12-09 16:02:12 -08:00
wal_edit.cc
Always track WAL obsoletion (#7759)
2020-12-09 16:02:12 -08:00
wal_edit.h
Always track WAL obsoletion (#7759)
2020-12-09 16:02:12 -08:00
wal_manager_test.cc
Use DbSessionId as cache key prefix when secondary cache is enabled (#8360)
2021-06-10 11:02:43 -07:00
wal_manager.cc
Allow WAL dir to change with db dir (#8582)
2021-07-30 12:16:44 -07:00
wal_manager.h
Allow WAL dir to change with db dir (#8582)
2021-07-30 12:16:44 -07:00
write_batch_base.cc
Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)
2020-02-20 12:09:57 -08:00
write_batch_internal.h
Adapt key-value checksum for timestamp-suffixed keys (#8914)
2021-09-14 13:14:39 -07:00
write_batch_test.cc
Remove some unneeded code (#8736)
2021-09-01 14:28:58 -07:00
write_batch.cc
Adapt key-value checksum for timestamp-suffixed keys (#8914)
2021-09-14 13:14:39 -07:00
write_callback_test.cc
Move slow valgrind tests behind -DROCKSDB_FULL_VALGRIND_RUN (#8475)
2021-07-07 11:14:05 -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
Revamp WriteController (#8064)
2021-03-18 09:47:31 -07:00
write_controller.cc
Revamp WriteController (#8064)
2021-03-18 09:47:31 -07:00
write_controller.h
Revamp WriteController (#8064)
2021-03-18 09:47:31 -07:00
write_thread.cc
Stall writes in WriteBufferManager when memory_usage exceeds buffer_size (#7898)
2021-04-21 13:54:02 -07:00
write_thread.h
typo: fix typo in db/write_thread's state (#8423)
2021-06-18 17:14:51 -07:00