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https://issues.apache.org/jira/browse/HDFS-15412?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17245198#comment-17245198
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Yang Yun commented on HDFS-15412:
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Updated HDFS-15412.002.patch with merging with latest code.
> Add options to set different block 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
> Priority: Minor
> Attachments: HDFS-15412.001.patch, HDFS-15412.002.patch
>
>
> 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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