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https://issues.apache.org/jira/browse/HDFS-15033?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yang Yun updated HDFS-15033:
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Attachment: (was: HDFS-15033.patch)
> Support to save replica cached files to other place and make expired time
> configurable
> --------------------------------------------------------------------------------------
>
> Key: HDFS-15033
> URL: https://issues.apache.org/jira/browse/HDFS-15033
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: datanode
> Reporter: Yang Yun
> Assignee: Yang Yun
> Priority: Minor
> Attachments: HDFS-15033.patch
>
>
> For slow volume with many replicas, add an option to save the replica files
> to high-speed disk and speed up the saving.
> Also add a option to change the expire time of the replica file.
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