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https://issues.apache.org/jira/browse/HDFS-3907?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13451683#comment-13451683
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Hadoop QA commented on HDFS-3907:
---------------------------------
+1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12544410/hdfs-3907.txt
against trunk revision .
+1 @author. The patch does not contain any @author tags.
+1 tests included. The patch appears to include 1 new or modified test
files.
+1 javac. The applied patch does not increase the total number of javac
compiler warnings.
+1 javadoc. The javadoc tool did not generate any warning messages.
+1 eclipse:eclipse. The patch built with eclipse:eclipse.
+1 findbugs. The patch does not introduce any new Findbugs (version 1.3.9)
warnings.
+1 release audit. The applied patch does not increase the total number of
release audit warnings.
+1 core tests. The patch passed unit tests in
hadoop-hdfs-project/hadoop-hdfs.
+1 contrib tests. The patch passed contrib unit tests.
Test results:
https://builds.apache.org/job/PreCommit-HDFS-Build/3165//testReport/
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/3165//console
This message is automatically generated.
> 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: 2.0.0-alpha
> Reporter: Eli Collins
> Assignee: Eli Collins
> 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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