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https://issues.apache.org/jira/browse/HDFS-11314?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chen Liang reassigned HDFS-11314:
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Assignee: Chen Liang
> Validate client-provided EC schema on the NameNode
> --------------------------------------------------
>
> Key: HDFS-11314
> URL: https://issues.apache.org/jira/browse/HDFS-11314
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: erasure-coding
> Affects Versions: 3.0.0-alpha1
> Reporter: Andrew Wang
> Assignee: Chen Liang
> Priority: Blocker
> Labels: hdfs-ec-3.0-must-do
>
> Filing based on discussion in HDFS-8095. A user might specify a policy that
> is not appropriate for the cluster, e.g. a RS (10,4) policy when the cluster
> only has 10 nodes. The NN should only allow the client to choose from a
> pre-approved list determined by the cluster administrator.
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