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https://issues.apache.org/jira/browse/HDFS-10473?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Uma Maheswara Rao G updated HDFS-10473:
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Description:
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.
was:
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.
> 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 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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