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https://issues.apache.org/jira/browse/HADOOP-9734?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13709909#comment-13709909
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Suresh Srinivas commented on HADOOP-9734:
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Jason, this patch looks good. +1.
> Common protobuf definitions for GetUserMappingsProtocol,
> RefreshAuthorizationPolicyProtocol and RefreshUserMappingsProtocol
> ---------------------------------------------------------------------------------------------------------------------------
>
> Key: HADOOP-9734
> URL: https://issues.apache.org/jira/browse/HADOOP-9734
> Project: Hadoop Common
> Issue Type: Improvement
> Components: ipc
> Affects Versions: 2.0.4-alpha
> Reporter: Jason Lowe
> Assignee: Jason Lowe
> Priority: Minor
> Attachments: HADOOP-9734-2.patch, HADOOP-9734.patch
>
>
> Many of the Hadoop server daemons support the concept of refreshing user
> mappings or getting the currently cached user-group mappings. Currently
> there are protocol buffer definitions of RefreshUserMappingsProtocol and
> GetUserMappingsProtocol in HDFS, but using it requires packages to depend
> upon HDFS when they may otherwise have no reason to do so. We should move
> the protocol buffer definitions and glue code to common for easier reuse.
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