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https://issues.apache.org/jira/browse/MAPREDUCE-5265?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13686974#comment-13686974
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Ashwin Shankar commented on MAPREDUCE-5265:
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{quote}
protocol files are in package org.apache.hadoop.yarn but
org.apache.hadoop.mapreduce is more appropriate. The history server is specific
to MapReduce and not a generic YARN history server. In the future YARN may
provide its own, separate history server
{quote}
YARN rpc has hardcoded the protocol package name to
"org.apache.hadoop.yarn"(RpcServerFactoryPBImpl.java). So things wont work if I
change history server's protocol package name to *mapreduce.
> Need an admin interface on history server with the ability to refresh super
> user groups,refresh user to group mappings,refresh admin acls,get groups
> given a username.
> ----------------------------------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: MAPREDUCE-5265
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-5265
> Project: Hadoop Map/Reduce
> Issue Type: New Feature
> Components: jobhistoryserver
> Affects Versions: 2.1.0-beta
> Reporter: Jason Lowe
> Assignee: Ashwin Shankar
> Attachments: JHS_REFRESH-2.txt, JHS_REFRESH-4.txt, JHS_REFRESH-6.txt
>
>
> The history server needs an admin interface with the ability to
> 1. refresh the super user groups configurations,
> 2. refresh user to group mappings,
> 3. refresh its admin acls,
> 4. get groups given a username
> without requiring a restart of the history server. This is analogous to the
> -refreshSuperUserGroupsConfiguration capabilities provided by hdfs dfsadmin
> and yarn rmadmin.
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