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https://issues.apache.org/jira/browse/HDFS-11870?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16060502#comment-16060502
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Wei-Chiu Chuang commented on HDFS-11870:
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Hi lufei, thanks for the patch and it looks like it's doing what it's supposed
to do.
Quickly glanced the patch, would you please make sure
# NameNodeRpcServer verifies the request has super user permission
{code}namesystem.checkSuperuserPrivilege();{code}
# Append "// ClientProtocol" after {quote}@Override{quote}
{code}
@Override
public void enableErasureCodingPolicy(String ecPolicyName)
{code}
# Please log messages to record what policy is enabled/disabled, either in
ErasureCodingPolicyManage or in FSNamesystem.
# In FSNamesystem, please call checkNameNodeSafeMode() to ensure NN is not in
safemode.
# test: please also test the case when you enable/disable a policy that doesn't
exist.
> Add CLI cmd to enable/disable an erasure code policy
> ----------------------------------------------------
>
> Key: HDFS-11870
> URL: https://issues.apache.org/jira/browse/HDFS-11870
> Project: Hadoop HDFS
> Issue Type: Task
> Components: erasure-coding
> Reporter: SammiChen
> Assignee: lufei
> Labels: hdfs-ec-3.0-nice-to-have
> Attachments: HDFS-11870.001.patch
>
>
> This task is to develop a CLI command to help user enable or disable and
> existing erasure coding policy.
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