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From "Vinod K V (JIRA)" <j...@apache.org>
Subject [jira] Commented: (MAPREDUCE-1542) Deprecate mapred.permissions.supergroup in favor of hadoop.cluster.administrators
Date Tue, 02 Mar 2010 03:57:27 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-1542?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12840000#action_12840000
] 

Vinod K V commented on MAPREDUCE-1542:
--------------------------------------

Allen, configuration of commong components is bound to be like this because of the fact that
we have a common codebase/project which both MAPREDUCE and HDFS use. The configuration of
the common components like Http servers, RPC servers/clients will not have mapred/hdfs specific
naming conventions. For e.g., I don't see {{ipc.server.listen.queue.size}} or {{ipc.client.connect.max.retries}}
being split into mapred and hdfs specific configuration items despite the fact that JT and
NN need different values. I think {{hadoop.cluster.administrators}} also falls under the same
category.

> Deprecate mapred.permissions.supergroup in favor of hadoop.cluster.administrators
> ---------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-1542
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1542
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: security
>            Reporter: Vinod K V
>             Fix For: 0.22.0
>
>
> HADOOP-6568 added the configuration {{hadoop.cluster.administrators}} through which admins
can configure who the superusers/supergroups for the cluster are. MAPREDUCE itself already
has {{mapred.permissions.supergroup}} (which is just a single group). As agreed upon at HADOOP-6568,
this should be deprecated in favor of {{hadoop.cluster.administrators}}.

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