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From "Andrew Wang (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-11314) Enforce set of enabled EC policies on the NameNode
Date Wed, 01 Mar 2017 22:26:45 GMT

     [ https://issues.apache.org/jira/browse/HDFS-11314?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Andrew Wang updated HDFS-11314:
-------------------------------
    Summary: Enforce set of enabled EC policies on the NameNode  (was: Validate client-provided
EC schema on the NameNode)

> Enforce set of enabled EC policies 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: Andrew Wang
>            Priority: Blocker
>              Labels: hdfs-ec-3.0-must-do
>         Attachments: HDFS-11314.001.patch
>
>
> 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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