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https://issues.apache.org/jira/browse/HDFS-11426?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andrew Wang updated HDFS-11426:
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Attachment: HDFS-11426.001.patch
Patch attached, I borrowed heavily from StoragePolicyAdmin. I think the SP APIs
isn't ideal (IMO it's better to use positional args for required arguments),
but uniformity is better yet.
There are some additional changes I'm planning as follow-ons, like changing the
setECPolicy API to take a string rather than a byte (which pushes the
validation to the NN, and makes it more similar to the SP set API), and also
making the EC policy required in {{set}}'s PB as groundwork for removing the
concept of the system default EC policy.
> 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
>
>
> 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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