rocksdb/db/db_impl
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
..
compacted_db_impl.cc Make backups openable as read-only DBs (#8142) 2021-04-06 14:37:53 -07:00
compacted_db_impl.h Move compacted_db_impl.[c|h] to db/db_impl (#8082) 2021-03-23 13:49:26 -07:00
db_impl_compaction_flush.cc Expose blob file information through the EventListener interface (#8675) 2021-09-16 17:23:36 -07:00
db_impl_debug.cc Eliminate compiler complaining, which the return type of the function… (#8498) 2021-07-08 10:09:05 -07:00
db_impl_experimental.cc Replace reinterpret_cast with static_cast_with_check (#7067) 2020-07-02 19:25:41 -07:00
db_impl_files.cc Expose blob file information through the EventListener interface (#8675) 2021-09-16 17:23:36 -07:00
db_impl_open.cc Expose blob file information through the EventListener interface (#8675) 2021-09-16 17:23:36 -07:00
db_impl_readonly.cc Make backups openable as read-only DBs (#8142) 2021-04-06 14:37:53 -07:00
db_impl_readonly.h RocksJava - Add errorIfLogFileExists parameter to RocksDB.openReadOnly (#7046) 2020-09-17 15:41:25 -07:00
db_impl_secondary.cc Allow iterate refresh for secondary instance (#8700) 2021-08-24 15:40:56 -07:00
db_impl_secondary.h Allow iterate refresh for secondary instance (#8700) 2021-08-24 15:40:56 -07:00
db_impl_write.cc Fix WAL log data corruption #8723 (#8746) 2021-09-13 20:15:59 -07:00
db_impl.cc Batch blob read IO for MultiGet (#8699) 2021-09-17 19:23:13 -07:00
db_impl.h Replace most typedef with using= (#8751) 2021-09-07 11:31:59 -07:00