leo sun created HDFS-16966:
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Summary: Optimize AvailableSpaceVolumeChoosingPolicy to avoid disk
hotpoint
Key: HDFS-16966
URL: https://issues.apache.org/jira/browse/HDFS-16966
Project: Hadoop HDFS
Issue Type: Improvement
Components: datanode
Reporter: leo sun
The AvailableSpaceVolumeChoosingPolicy will write the most of replicas into the
disks with more available space than others.
But when a new disk is launched, most write request on this DN will be on this
disk, it will cause the disk hotpoint.
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