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Date: Tue, 19 Mar 2013 16:19:15 +0000 (UTC)
From: "Hudson (JIRA)" <jira@apache.org>
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Message-ID: <JIRA.12611350.1349964624005.11978.1363709955731@arcas>
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Subject: [jira] [Commented] (ACCUMULO-804) Hadoop 2.0 Support
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    [ https://issues.apache.org/jira/browse/ACCUMULO-804?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13606453#comment-13606453 ] 

Hudson commented on ACCUMULO-804:
---------------------------------

Integrated in Accumulo-1.5-Hadoop-2.0 #38 (See [https://builds.apache.org/job/Accumulo-1.5-Hadoop-2.0/38/])
    ACCUMULO-804 defend against FileNotFoundExceptions for hadoop-2.0 (Revision 1458344)

     Result = SUCCESS
ecn : 
Files : 
* /accumulo/branches/1.5
* /accumulo/branches/1.5/assemble
* /accumulo/branches/1.5/core
* /accumulo/branches/1.5/core/src/main/java/org/apache/accumulo/core/client/ZooKeeperInstance.java
* /accumulo/branches/1.5/core/src/main/java/org/apache/accumulo/core/util/shell/commands/ImportDirectoryCommand.java
* /accumulo/branches/1.5/examples
* /accumulo/branches/1.5/fate/src/main/java/org/apache/accumulo/fate/ZooStore.java
* /accumulo/branches/1.5/fate/src/main/java/org/apache/accumulo/fate/zookeeper/ZooSession.java
* /accumulo/branches/1.5/server
* /accumulo/branches/1.5/server/src/main/java/org/apache/accumulo/server/gc/GarbageCollectWriteAheadLogs.java
* /accumulo/branches/1.5/server/src/main/java/org/apache/accumulo/server/gc/SimpleGarbageCollector.java
* /accumulo/branches/1.5/server/src/main/java/org/apache/accumulo/server/master/tableOps/BulkImport.java
* /accumulo/branches/1.5/server/src/main/java/org/apache/accumulo/server/tabletserver/Tablet.java
* /accumulo/branches/1.5/src

                
> Hadoop 2.0 Support
> ------------------
>
>                 Key: ACCUMULO-804
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-804
>             Project: Accumulo
>          Issue Type: Improvement
>          Components: client
>    Affects Versions: 1.4.3
>            Reporter: Ed Kohlwey
>            Assignee: Eric Newton
>              Labels: hackathon
>             Fix For: 1.5.0
>
>
> We should start thinking about Hadoop 2 support now that it is Cloudera's recommended distribution and many new Hadoop users will probably be adopting it.
> When I investigated this first a few months ago it seemed like the biggest barrier to this was that all the Map/Reduce related tests are implemented using pseudo-private constructors from Hadoop 1.0 that are no-longer present in Hadoop 2.0.
> The main strategy to fix this should probably be to adopt the Map/Reduce cluster test object for testing the various Accumulo input formats instead of instrumenting them directly. I have used this convenience object successfully on tests utilizing MockInstance, so I think it should work fine.
> There may also be some filesystem API issues but I don't think they will be too severe.
> The other main issue is that we will need to actually deploy on Hadoop 1 and 2 and run the integration tests once we start supporting both, so that will be a headache for release testing that we should think through.

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