Yang Yun created HDFS-15412:
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Summary: Add options to set different scan period for diffrent
StorageType
Key: HDFS-15412
URL: https://issues.apache.org/jira/browse/HDFS-15412
Project: Hadoop HDFS
Issue Type: Improvement
Components: datanode
Reporter: Yang Yun
Assignee: Yang Yun
For some cold data, sometime, we don't want to scan cold data as often as hot
data. Add options that we can set the scan period time according to StorageType.
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