Package org.apache.hadoop.hdfs.server.datanode.fsdataset.impl

Class MountVolumeMap

java.lang.Object

org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.MountVolumeMap

@Private
public class MountVolumeMap
extends java.lang.Object

MountVolumeMap contains information of the relationship between underlying filesystem mount and datanode volumes. This is useful when configuring block tiering on same disk mount (HDFS-15548). For now, we don't configure multiple volumes with same storage type on one mount.

Method Summary

Modifier and Type	Method	Description
boolean	hasMount(java.lang.String mount)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

hasMount

public boolean hasMount(java.lang.String mount)