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https://issues.apache.org/jira/browse/WHIRR-384?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13149375#comment-13149375
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Andrei Savu commented on WHIRR-384:
-----------------------------------
Here are some changes I've made to a local branch to get things to build and
run:
https://github.com/andreisavu/whirr/commit/7c105f02eff8aa7b98648b3d5ab6512161bff2e5
Adding a file with logging settings is one of the remaining things to do.
> Add Mahout as a service
> -----------------------
>
> Key: WHIRR-384
> URL: https://issues.apache.org/jira/browse/WHIRR-384
> Project: Whirr
> Issue Type: New Feature
> Components: new service
> Affects Versions: 0.7.0
> Reporter: Frank Scholten
> Fix For: 0.8.0
>
> Attachments: WHIRR-384-mahout-client.patch,
> WHIRR-384-mahout-home.patch
>
>
> Here is an initial patch to support Mahout as a Whirr service.
> I created the role 'mahout-home' which can be used to install the binary
> Mahout distribution on a Hadoop namenode.
> By combining this role with configuration for a Hadoop cluster you can SSH
> into the namenode, su to root and start running Mahout jobs via the mahout
> script immediately.
> The 'mahout-home' role has two properties
> Mahout version whirr.mahout.version
> URL of the Mahout binary distribution tarball whirr.mahout.tarball.url
> Note that I used a snapshot version of Mahout for testing, revision 1169784,
> because there were some problems with the Mahout script in 0.5 that have been
> fixed on trunk, see MAHOUT-680. To test you can set the tarball property to
> this link
> http://dl.dropbox.com/u/13436484/mahout-distribution-0.6-SNAPSHOT.tar.gz
> I used configure actions and the onBeforeConfigure(). If there is a better
> way to express this with the Whirr API let me know.
> Currently I am investigating a 'mahout-jar' role, which installs the Mahout
> examples job jar under $HADOOP_HOME/lib on a tasktracer node. I already have
> some code for putting the jar in place but when running a job from my local
> machine I still get ClassNotFoundExceptions. I believe this is because Hadoop
> has already started before the jar is put in the lib dir, so the jar won't be
> picked up, but I have to investigate some more. From WHIRR-221 I understood
> that there is no support (yet?) for ordering of services but if you have an
> idea on how to fix this let me know.
> Comments and suggestions welcome!
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