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https://issues.apache.org/jira/browse/HDFS-12088?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16102773#comment-16102773
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Kai Zheng commented on HDFS-12088:
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Hi folks,

I thought the current behavior was discussed in HDFS-7337. Would you comment on 
that if you see any issue by the design? Thanks!

> Remove a user defined EC Policy,the policy is not removed from the 
> userPolicies map
> -----------------------------------------------------------------------------------
>
>                 Key: HDFS-12088
>                 URL: https://issues.apache.org/jira/browse/HDFS-12088
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: erasure-coding, hdfs
>    Affects Versions: 3.0.0-alpha3
>            Reporter: lufei
>            Assignee: lufei
>            Priority: Critical
>              Labels: hdfs-ec-3.0-must-do
>         Attachments: HDFS-12088.001.patch
>
>
> When user remove an user defined EC policy, it needs to remove the policy 
> from the userPolicies Map but not only remove from the enabledPolicies 
> Map.Otherwise, after remove the user defined EC policy, user can recover the 
> EC policy by enable the same EC policy.



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