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https://issues.apache.org/jira/browse/HDFS-11623?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15960113#comment-15960113
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Andrew Wang commented on HDFS-11623:
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Aha, now I understand better your concern. I did an IDE refactor to move these
methods to SystemErasureCodingPolicies. You're right that with user-defined
policies, some of these changed places will change back to call an ECPManager
getter that can return both system policies and user-defined policies.
As an aside, I checked all the {{getPolicy}} usage earlier when implementing
enabling/disabling of EC system policies. We probably should do that again once
user-defined policies are ready.
> Move system erasure coding policies into hadoop-hdfs-client
> -----------------------------------------------------------
>
> Key: HDFS-11623
> URL: https://issues.apache.org/jira/browse/HDFS-11623
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: erasure-coding
> Affects Versions: 3.0.0-alpha2
> Reporter: Andrew Wang
> Assignee: Andrew Wang
> Attachments: HDFS-11623.001.patch, HDFS-11623.002.patch,
> HDFS-11623.003.patch, HDFS-11623.004.patch
>
>
> This is a precursor to HDFS-11565. We need to move the set of system defined
> EC policies out of the NameNode's ECPolicyManager into the hdfs-client module
> so it can be referenced by the client.
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