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MapReduce, mail # user - Re: Hadoop Jobtracker web administration tool, hadoop job -list and Tasktrackers Web UI's show no information


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Re: Hadoop Jobtracker web administration tool, hadoop job -list and Tasktrackers Web UI's show no information
Steve Loughran 2012-10-03, 10:23
> I have no DHCP, DNS is configured manually(and there might be the problem)
>
> etc hosts on both machines:
> 172.16.0.1      master vmmaker-ubd64
> 172.16.0.11     slave vmmaker-slave
>
> 127.0.0.1       localhost
> # on master
> 127.0.0.1       vmmaker-ubd64
> # on slave
> 127.0.0.1       vmmaker-slave
> ____
>

The fact that one machine thinks is hostname->IP addr mapping is different
from the others is often considered highly significant when diagnosing
network connectivity issues