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Hadoop, mail # user - Unable to start hadoop-0.20.2 but able to start hadoop-0.20.203 cluster


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Re: Unable to start hadoop-0.20.2 but able to start hadoop-0.20.203 cluster
Allen Wittenauer 2011-05-27, 22:52

On May 27, 2011, at 1:18 PM, Xu, Richard wrote:

> Hi Allen,
>
> Thanks a lot for your response.
>
> I agree with you that it does not matter with replication settings.
>
> What really bothered me is same environment, same configures, hadoop 0.20.203 takes us 3 mins, why 0.20.2 took 3 days.
>
> Can you pls. shed more light on how "to make Hadoop's broken username detection to work properly"?

It's in the FAQ so that I don't have to do that.

http://wiki.apache.org/hadoop/FAQ


Also, check your logs.  All your logs.  Not just the namenode log.