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rocksdb/table
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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
..
adaptive Refactor: use TableBuilderOptions to reduce parameter lists (#8240) 2021-04-29 07:00:50 -07:00
block_based Fix PrepopulateBlockCache::kFlushOnly (#8750) 2021-09-15 15:33:20 -07:00
cuckoo Embed original file number in SST table properties (#8686) 2021-08-20 20:40:48 -07:00
plain Make MemTableRepFactory into a Customizable class (#8419) 2021-09-08 07:46:44 -07:00
block_fetcher.cc Rename variables in ImmutableCFOptions to avoid conflicts with ImmutableDBOptions (#8227) 2021-04-26 12:43:45 -07:00
block_fetcher.h Add db_test2 to to ASSERT_STATUS_CHECKED (#8640) 2021-08-16 08:10:32 -07:00
block_fetcher_test.cc Make it possible to apply only a subrange of table property collectors (#8298) 2021-05-17 18:28:39 -07:00
cleanable_test.cc Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433) 2020-02-20 12:09:57 -08:00
format.cc Make ImmutableOptions struct that inherits from ImmutableCFOptions and ImmutableDBOptions (#8262) 2021-05-05 14:00:17 -07:00
format.h Make ImmutableOptions struct that inherits from ImmutableCFOptions and ImmutableDBOptions (#8262) 2021-05-05 14:00:17 -07:00
get_context.cc Support for Merge in Integrated BlobDB with base values (#8292) 2021-06-10 12:58:37 -07:00
get_context.h Support for Merge in Integrated BlobDB with base values (#8292) 2021-06-10 12:58:37 -07:00
internal_iterator.h Clean up InternalIterator upper bound logic a little bit (#7200) 2020-08-05 10:44:57 -07:00
iter_heap.h Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433) 2020-02-20 12:09:57 -08:00
iterator.cc Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433) 2020-02-20 12:09:57 -08:00
iterator_wrapper.h Redesign block cache pinning API (#7520) 2020-10-11 14:58:24 -07:00
merger_test.cc More Makefile Cleanup (#7097) 2020-07-09 14:35:17 -07:00
merging_iterator.cc Replace most typedef with using= (#8751) 2021-09-07 11:31:59 -07:00
merging_iterator.h Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433) 2020-02-20 12:09:57 -08:00
meta_blocks.cc Embed original file number in SST table properties (#8686) 2021-08-20 20:40:48 -07:00
meta_blocks.h Make ImmutableOptions struct that inherits from ImmutableCFOptions and ImmutableDBOptions (#8262) 2021-05-05 14:00:17 -07:00
mock_table.cc Refactor: use TableBuilderOptions to reduce parameter lists (#8240) 2021-04-29 07:00:50 -07:00
mock_table.h Fix some minor issues in the Customizable infrastructure (#8566) 2021-08-19 10:10:47 -07:00
multiget_context.h Batch blob read IO for MultiGet (#8699) 2021-09-17 19:23:13 -07:00
persistent_cache_helper.cc Add more tests to ASSERT_STATUS_CHECKED (#7367) 2020-09-16 15:48:07 -07:00
persistent_cache_helper.h Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433) 2020-02-20 12:09:57 -08:00
persistent_cache_options.h Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433) 2020-02-20 12:09:57 -08:00
scoped_arena_iterator.h Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433) 2020-02-20 12:09:57 -08:00
sst_file_dumper.cc Make it possible to apply only a subrange of table property collectors (#8298) 2021-05-17 18:28:39 -07:00
sst_file_dumper.h Make ImmutableOptions struct that inherits from ImmutableCFOptions and ImmutableDBOptions (#8262) 2021-05-05 14:00:17 -07:00
sst_file_reader.cc Make ImmutableOptions struct that inherits from ImmutableCFOptions and ImmutableDBOptions (#8262) 2021-05-05 14:00:17 -07:00
sst_file_reader_test.cc Support timestamps in SstFileWriter (#8899) 2021-09-09 18:58:01 -07:00
sst_file_writer.cc Support timestamps in SstFileWriter (#8899) 2021-09-09 18:58:01 -07:00
sst_file_writer_collectors.h Apply `sample_for_compression` to all block-based tables (#8105) 2021-03-25 15:00:45 -07:00
table_builder.h Partially revert the "apply subrange of table property collectors" change (#8465) 2021-07-06 10:14:32 -07:00
table_factory.cc Add customizable_util.h to the public API (#8301) 2021-06-29 09:08:57 -07:00
table_properties.cc Embed original file number in SST table properties (#8686) 2021-08-20 20:40:48 -07:00
table_properties_internal.h Fix and detect headers with missing dependencies (#8893) 2021-09-10 10:00:26 -07:00
table_reader.h dedup ReadOptions in iterator hierarchy (#7210) 2020-08-03 15:23:04 -07:00
table_reader_bench.cc Make it possible to apply only a subrange of table property collectors (#8298) 2021-05-17 18:28:39 -07:00
table_reader_caller.h Fix and detect headers with missing dependencies (#8893) 2021-09-10 10:00:26 -07:00
table_test.cc Account for dictionary-building buffer in global memory limit (#8428) 2021-09-08 12:35:46 -07:00
two_level_iterator.cc Redesign block cache pinning API (#7520) 2020-10-11 14:58:24 -07:00
two_level_iterator.h Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433) 2020-02-20 12:09:57 -08:00