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From Robin Anil <robin.a...@gmail.com>
Subject Re: PFPGrowth - not able to pass hadoop any parameters
Date Wed, 27 Jan 2010 03:19:11 GMT
Mahout algorithms are not using ToolRunner of Hadoop. I guess many core
hadoop-ers like that feature. I think we should be supporting that feature
by 0.3


Robin

On Wed, Jan 27, 2010 at 5:59 AM, Sean Owen <srowen@gmail.com> wrote:

> These look like Hadoop params, to the hadoop command? why wouldn't
> hadoop be parsing those, or, why would the Job command have to shuttle
> them to Hadoop? I thought these were typically set in the config .xml
> files anyhow.
>
> On Tue, Jan 26, 2010 at 11:43 PM, Aurora Skarra-Gallagher
> <aurora@yahoo-inc.com> wrote:
> > Hi,
> >
> > I'm using the PFPGrowth code (
> http://issues.apache.org/jira/browse/MAHOUT-157) from Mahout 0.3 and it
> works fine on my local box. However, when I try to get it to run on our grid
> cluster, it amazingly does not allow any parameters to be passed to Hadoop.
> When I look at the code
> (mahout/core/src/main/java/org/apache/mahout/fpm/pfpgrowth/PFPGrowth.java),
> I see that there is no way to pass custom configuration parameters (like -
> Dmapred.job.queue.name=X or -libjars or any other parameter for that
> matter).
> >
> > I am shocked that it would be done this way. To get this to work, I need
> to go change the actual PFPGrowth.java file, add my conf.set("key", "val")
> lines, and recompile. Is there any other way to do this? Why would it be
> written in such a way that all hadoop parameters are disallowed?
> >
> > Thanks,
> > Aurora
> >
>



-- 
------
Robin Anil
Blog: http://techdigger.wordpress.com
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