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https://issues.apache.org/jira/browse/HDFS-1096?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12857500#action_12857500
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Jitendra Nath Pandey commented on HDFS-1096:
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I think the static hash-maps proxyHosts and proxyGroups should be protected for
multi-thread safety.
Apart from that looks good.
> allow dfsadmin/mradmin refresh of superuser proxy group mappings
> ----------------------------------------------------------------
>
> Key: HDFS-1096
> URL: https://issues.apache.org/jira/browse/HDFS-1096
> Project: Hadoop HDFS
> Issue Type: New Feature
> Reporter: Boris Shkolnik
> Assignee: Boris Shkolnik
> Attachments: HDFS-1096-BP20-4.patch
>
>
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