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https://issues.apache.org/jira/browse/HDFS-2793?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13448099#comment-13448099
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Todd Lipcon commented on HDFS-2793:
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bq. It's certainly the case that arbitrary clients should be super users, but
when would a non-super user node be calling this method? I think it should be
safe to always check for super user privileges.
Is the 2NN's principal always considered a superuser? I think so, but just want
to confirm.
bq. Should the rollEdits RPC be marked @Idempotent? I can't think of a case
when calling it twice would be problematic.
Makes sense.
> Add an admin command to trigger an edit log roll
> ------------------------------------------------
>
> Key: HDFS-2793
> URL: https://issues.apache.org/jira/browse/HDFS-2793
> Project: Hadoop HDFS
> Issue Type: New Feature
> Components: name-node
> Affects Versions: 0.24.0
> Reporter: Aaron T. Myers
> Assignee: Todd Lipcon
> Attachments: hdfs-2793.txt
>
>
> This seems like it would also be helpful outside of the context of HA, but
> especially so given that the standby can currently only read finalized log
> segments.
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