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https://issues.apache.org/jira/browse/HDFS-15548?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17192724#comment-17192724
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jianghua zhu commented on HDFS-15548:
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[~LeonG] , I have read the code. Are you mainly solving the relationship
between DISK and ARCHIVE?
Does the relationship between SSD and ARCHIVE need to be considered?
> Allow configuring DISK/ARCHIVE storage types on same device mount
> -----------------------------------------------------------------
>
> Key: HDFS-15548
> URL: https://issues.apache.org/jira/browse/HDFS-15548
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: datanode
> Reporter: Leon Gao
> Assignee: Leon Gao
> Priority: Major
> Labels: pull-request-available
> Time Spent: 10m
> Remaining Estimate: 0h
>
> We can allow configuring DISK/ARCHIVE storage types on the same device mount
> on two separate directories.
> Users should be able to configure the capacity for each. Also, the datanode
> usage report should report stats correctly.
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