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https://issues.apache.org/jira/browse/HDFS-10473?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15345455#comment-15345455
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Zhe Zhang commented on HDFS-10473:
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Thanks [~umamaheswararao] and [~jingzhao]! Just caught up on this, agree the
latest fix is a better fix than the one I +1'ed on.
> Allow only suitable storage policies to be set on striped files
> ---------------------------------------------------------------
>
> Key: HDFS-10473
> URL: https://issues.apache.org/jira/browse/HDFS-10473
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: namenode
> Reporter: Uma Maheswara Rao G
> Assignee: Uma Maheswara Rao G
> Fix For: 3.0.0-alpha1
>
> Attachments: HDFS-10473-01.patch, HDFS-10473-02.patch,
> HDFS-10473-03.patch, HDFS-10473-04.patch, HDFS-10473-05.patch
>
>
> Currently some of existing storage policies are not suitable for striped
> layout files.
> This JIRA proposes to reject setting storage policy on striped files.
> Another thought is to allow only suitable storage polices like ALL_SSD.
> Since the major use case of EC is for cold data, this may not be at high
> importance. So, I am ok to reject setting storage policy on striped files at
> this stage. Please suggest if others have some thoughts on this.
> Thanks [~zhz] for offline discussion on this.
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