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https://issues.apache.org/jira/browse/HDFS-10473?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15319583#comment-15319583
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Uma Maheswara Rao G edited comment on HDFS-10473 at 6/7/16 10:26 PM:
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Here is a patch which rejects to set storage policy on striped files. Let me
file a JIRA for more discussion on identifying suitable one/define newer ones.
was (Author: umamaheswararao):
Here is a patch which rejects to set storage policy on striped files.
> 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
>
>
> Currently 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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