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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-2409) Make EC2 image independent of Hadoop version
Date Wed, 11 Feb 2009 00:21:59 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-2409?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12672463#action_12672463
] 

Hadoop QA commented on HADOOP-2409:
-----------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12399927/hadoop-2409.patch
  against trunk revision 743045.

    +1 @author.  The patch does not contain any @author tags.

    -1 tests included.  The patch doesn't appear to include any new or modified tests.
                        Please justify why no tests are needed for this patch.

    +1 javadoc.  The javadoc tool did not generate any warning messages.

    +1 javac.  The applied patch does not increase the total number of javac compiler warnings.

    +1 findbugs.  The patch does not introduce any new Findbugs warnings.

    +1 Eclipse classpath. The patch retains Eclipse classpath integrity.

    +1 release audit.  The applied patch does not increase the total number of release audit
warnings.

    +1 core tests.  The patch passed core unit tests.

    -1 contrib tests.  The patch failed contrib unit tests.

Test results: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/3829/testReport/
Findbugs warnings: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/3829/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Checkstyle results: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/3829/artifact/trunk/build/test/checkstyle-errors.html
Console output: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/3829/console

This message is automatically generated.

> Make EC2 image independent of Hadoop version
> --------------------------------------------
>
>                 Key: HADOOP-2409
>                 URL: https://issues.apache.org/jira/browse/HADOOP-2409
>             Project: Hadoop Core
>          Issue Type: Improvement
>          Components: contrib/ec2
>            Reporter: Tom White
>            Assignee: Tom White
>         Attachments: hadoop-2409.patch, HADOOP-2409.patch
>
>
> Instead of building a new image for each released version of Hadoop, install Hadoop on
instance start up. Since it is a small download this would not add significantly to startup
time. Hadoop releases would be mirrored on S3 for scalability (and to avoid bandwidth costs).
The version to install would be found from the instance metadata - this would be a download
URL. 
> More generally, the instance could retrieve a script to run on start up from a URL specified
in the metadata. The script would install and configure Hadoop, but it could be extended to
do cluster-specific set up.

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