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https://issues.apache.org/jira/browse/HDFS-13774?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16579586#comment-16579586
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Ayush Saxena commented on HDFS-13774:
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Thanks [~SouryakantaDwivedy] for putting up the issue.
The reason for not returning the name of policy is that "Replication" is not an
EC policy. It just acts like a flag to make the directory take the default
Replication policy instead of an EC policy defined on its parent.
Even if you use the ec -listPolicies command you won't see replication there.
> EC: "hdfs ec -getPolicy" is not retrieving policy details when the special
> REPLICATION policy set on the directory
> ------------------------------------------------------------------------------------------------------------------
>
> Key: HDFS-13774
> URL: https://issues.apache.org/jira/browse/HDFS-13774
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: erasure-coding
> Affects Versions: 3.0.0
> Environment: 3 Node Linux Cluster
> Reporter: Souryakanta Dwivedy
> Assignee: Ayush Saxena
> Priority: Minor
> Attachments: GetPolicy_EC.png
>
>
> Erasure coding: "hdfs ec -getPolicy"" is not retrieving policy details when
> the special REPLICATION policy set on the directory
> Steps :-
> - Create a directory "testEC"
> - Get the EC policy for the directory [Received message as : "The erasure
> coding policy of /testEC is unspecified" ]
> - Enable any Erasure coding policy like "XOR-2-1-1024k"
> - Set the EC Policy on the Directory
> - Get the EC policy for the directory [Received message as : "XOR-2-1-1024k" ]
> - Now again set the EC Policy on the directory as "replicate" special
> REPLICATION policy
> - Get the EC policy for the directory [Received message as : "The erasure
> coding policy of /testEC is unspecified" ]
> The policy is being set for the Directory ,but while retrieving policy
> details its throwing error as
> policy for the directory is unspecified which is wrong behavior
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