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Date: Mon, 8 Nov 2010 23:50:09 -0500 (EST)
From: "HBase Review Board (JIRA)" <jira@apache.org>
To: issues@hbase.apache.org
Subject: [jira] Commented: (HBASE-3194) HBase should run on both secure and
 vanilla versions of Hadoop 0.20
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    [ https://issues.apache.org/jira/browse/HBASE-3194?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12929950#action_12929950 ] 

HBase Review Board commented on HBASE-3194:
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Message from: stack@duboce.net

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Gary.  Quality stuff as usual.  Patch looks great.  Is it true we need this to be able to run on CDH3b3?  If so, we need to pull this into 0.90.0.

- stack


> HBase should run on both secure and vanilla versions of Hadoop 0.20
> -------------------------------------------------------------------
>
>                 Key: HBASE-3194
>                 URL: https://issues.apache.org/jira/browse/HBASE-3194
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Gary Helmling
>
> There have been a couple cases recently of folks trying to run HBase trunk (or 0.89 DRs) on CDH3b3 or secure Hadoop.    While HBase security is in the works, it currently only runs on secure Hadoop versions.  Meanwhile HBase trunk won't compile on secure Hadoop due to backward incompatible changes in org.apache.hadoop.security.UserGroupInformation.
> This issue is to work out the minimal set of changes necessary to allow HBase to build and run on both secure and non-secure versions of Hadoop.  Though, with secure Hadoop, I don't even think it's important to target running with HDFS security enabled (and krb authentication).  Just allow HBase to build and run in both versions.
> I think mainly this amounts to abstracting usage of UserGroupInformation and UnixUserGroupInformation.

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