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Hadoop >> mail # user >> Help - Rack Topology Script - Hadoop 0.20 (CDH3u1)


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Re: Help - Rack Topology Script - Hadoop 0.20 (CDH3u1)
Did you restart the JobTracker?

-Joey

On Fri, Aug 19, 2011 at 12:45 PM, modemide <[EMAIL PROTECTED]> wrote:
> Hi all,
> I've tried to make a rack topology script.  I've written it in python
> and it works if I call it with the following arguments:
> 10.2.0.1 10.2.0.11 10.2.0.11 10.2.0.12 10.2.0.21 10.2.0.26  10.2.0.31
> 10.2.0.33
>
> The output is:
> /rack0 /rack1 /rack1 /rack1 /rack2 /rack2 /rack3 /rack3
> Should the output be on newlines or is any whitespace sufficient?
>
> Additionally, my cluster's datanodes have DNS names such as:
> r1dn02
> r2dn05
> etc...
>
> I restarted the namenode in my running cluster (after configuring the
> topology script setting in core-site.xml).
> I ran a job and checked what the job tracker thinks the rack id's are
> and it showed default-rack.
> Can anyone tell me what I'm doing wrong?
>
> Thanks,
> tim
>

--
Joseph Echeverria
Cloudera, Inc.
443.305.9434