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From Ted Dunning <tdunn...@veoh.com>
Subject Re: using hadoop within the Tomcat
Date Fri, 23 Nov 2007 19:37:49 GMT

Any java process that can access the machines in the cluster can start a
job.

That means that any thread in the tomcat in, say, a servlet could start a
job.  This would be no different than any of the standard examples such as
word count.


On 11/23/07 2:43 AM, "Eugeny N Dzhurinsky" <bofh@redwerk.com> wrote:

> On Thu, Nov 22, 2007 at 01:51:56PM -0800, Ted Dunning wrote:
>> 
>> Just start the cluster once and start tomcat once.
>> 
>> Then you can launch all the hadoop jobs you like without ever stopping the
>> cluster.
> 
> As far as I understood there would be 2 JVM - one for Tomcat and another one
> for Hadoop. The question is - how can I get access to a Hadoop to
> start/monitor 
> jobs?


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