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https://issues.apache.org/jira/browse/HDFS-10473?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15330163#comment-15330163
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Zhe Zhang commented on HDFS-10473:
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Thanks Uma for the patch and Jing for the comments. The v3 patch LGTM. +1, and
let's keep the patch open until end of today in case Jing wants to take a look.
> 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
> Attachments: HDFS-10473-01.patch, HDFS-10473-02.patch,
> HDFS-10473-03.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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