Andrew Wang created HDFS-11314:
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Summary: 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
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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