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https://issues.apache.org/jira/browse/HDFS-11426?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15879199#comment-15879199
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Andrew Wang commented on HDFS-11426:
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Thanks for the review! I think it's okay to be a little vague here, since
{{getPolicy}} is just a wrapper for the {{getECPolicy}} API. It's not meant to
provide fuller information like {{fsck}} or {{oiv}}, and doing so would require
more NN RPCs. It also matches the behavior of the similar {{storagepolicies}}
CLI command.
We also provide better error messages for the 1-3 you mention when the user
calls {{setPolicy}}.
> Refactor EC CLI to be similar to storage policies CLI
> -----------------------------------------------------
>
> Key: HDFS-11426
> URL: https://issues.apache.org/jira/browse/HDFS-11426
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: erasure-coding, shell
> Affects Versions: 3.0.0-alpha1
> Reporter: Andrew Wang
> Assignee: Andrew Wang
> Labels: hdfs-ec-3.0-must-do
> Attachments: HDFS-11426.001.patch, HDFS-11426.002.patch,
> HDFS-11426.003.patch
>
>
> The {{hdfs erasurecode}} CLI is similar to {{hdfs storagepolicies}} in terms
> of functionality, but different in terms of behavior. Let's refactor
> {{ECCli}} to be more similar to the various Admin classes we already have,
> and also make its calling syntax mimic {{hdfs storagepolicies}} as closely as
> possible.
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