Use size hint for HashMap in multiGet. Similar to https://github.com/facebook/rocksdb/pull/1344 (#1367)
Use size hint for HashMap in multiGet. Similar to https://github.com/facebook/rocksdb/pull/1344 (#1367)


facebook/rocksdb,facebook/rocksdb,wenduo/rocksdb,wenduo/rocksdb,bbiao/rocksdb,Andymic/rocksdb,OverlordQ/rocksdb,OverlordQ/rocksdb,Andymic/rocksdb,wat-ze-hex/rocksdb,tsheasha/rocksdb,OverlordQ/rocksdb,SunguckLee/RocksDB,SunguckLee/RocksDB,OverlordQ/rocksdb,Andymic/rocksdb,vmx/rocksdb,bbiao/rocksdb,wat-ze-hex/rocksdb,wenduo/rocksdb,wat-ze-hex/rocksdb,SunguckLee/RocksDB,tsheasha/rocksdb,OverlordQ/rocksdb,wenduo/rocksdb,tsheasha/rocksdb,Andymic/rocksdb,OverlordQ/rocksdb,vmx/rocksdb,bbiao/rocksdb,tsheasha/rocksdb,bbiao/rocksdb,OverlordQ/rocksdb,vmx/rocksdb,SunguckLee/RocksDB,SunguckLee/RocksDB,tsheasha/rocksdb,wat-ze-hex/rocksdb,vmx/rocksdb,wat-ze-hex/rocksdb,bbiao/rocksdb,wat-ze-hex/rocksdb,facebook/rocksdb,bbiao/rocksdb,SunguckLee/RocksDB,facebook/rocksdb,bbiao/rocksdb,SunguckLee/RocksDB,Andymic/rocksdb,SunguckLee/RocksDB,vmx/rocksdb,wat-ze-hex/rocksdb,Andymic/rocksdb,wenduo/rocksdb,tsheasha/rocksdb,facebook/rocksdb,vmx/rocksdb,wenduo/rocksdb,Andymic/rocksdb,Andymic/rocksdb,wenduo/rocksdb,wat-ze-hex/rocksdb,tsheasha/rocksdb,facebook/rocksdb,vmx/rocksdb,bbiao/rocksdb,facebook/rocksdb,vmx/rocksdb,tsheasha/rocksdb,wenduo/rocksdb,facebook/rocksdb