/*
* The Alluxio Open Foundation licenses this work under the Apache License, version 2.0
* (the "License"). You may not use this work except in compliance with the License, which is
* available at www.apache.org/licenses/LICENSE-2.0
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
* either express or implied, as more fully set forth in the License.
*
* See the NOTICE file distributed with this work for information regarding copyright ownership.
*/
package alluxio.worker.netty;
import javax.annotation.concurrent.ThreadSafe;
/**
* How a read response will transfer block data over the network. There is a difference in speed and
* memory consumption between the two. {@link #MAPPED} is the default since at larger sizes it
* outperforms {@link #TRANSFER}.
*/
@ThreadSafe
enum FileTransferType {
/**
* Uses a {@link java.nio.MappedByteBuffer} to transfer data over the network.
*/
MAPPED,
/**
* Uses {@link java.nio.channels.FileChannel#transferTo} to transfer data over the network.
*/
TRANSFER
}