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https://issues.apache.org/jira/browse/HDFS-3907?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Arun C Murthy updated HDFS-3907:
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Fix Version/s: (was: 2.0.2-alpha)
2.0.3-alpha
> Allow multiple users for local block readers
> --------------------------------------------
>
> Key: HDFS-3907
> URL: https://issues.apache.org/jira/browse/HDFS-3907
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: data-node
> Affects Versions: 1.0.0, 2.0.0-alpha
> Reporter: Eli Collins
> Assignee: Eli Collins
> Fix For: 2.0.3-alpha
>
> Attachments: hdfs-3907.txt
>
>
> The {{dfs.block.local-path-access.user}} config added in HDFS-2246 only
> supports a single user, however as long as blocks are group readable by more
> than one user the feature could be used by multiple users, to support this we
> just need to allow both to be configured. In practice this allows us to also
> support HBase where the client (RS) runs as the hbase system user and the DN
> runs as hdfs system user. I think this should work secure as well since we're
> not using impersonation in the HBase case.
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