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From Bill Au <bill.w...@gmail.com>
Subject Re: X not in slaves, yet still being used as a tasktracker
Date Sun, 29 Mar 2009 23:42:55 GMT
The jobtracker does not have to be a tasktracker.  Just stop and don't start
the tasktracker process.

On Sun, Mar 29, 2009 at 12:00 PM, Saptarshi Guha

> Hello,
> A machine X which is the master: it is the jobtracker, namenode and
> secondary namenode.
> It is not in the slaves file and  is not part of the HDFSHowever in
> the mapreduce web page, I notice it is being used as a tasktracker.
> Is the jobtracker always a tasktracker? I'd rather not place too much
> load on the one machine which plays so many roles.
> (Hadoop 0.19.0)
> Thanks
> Saptarshi

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