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From AnilKumar B <akumarb2...@gmail.com>
Subject Re: HDFS federation configuration
Date Fri, 24 Jan 2014 18:20:07 GMT
Thanks Suresh.

I followed the link it's clear now.

But client side configuration is not covered on the doc.

Thanks & Regards,
B Anil Kumar.


On Thu, Jan 23, 2014 at 11:44 PM, Suresh Srinivas <suresh@hortonworks.com>wrote:

> Have you looked at -
> http://hadoop.apache.org/docs/r2.2.0/hadoop-project-dist/hadoop-hdfs/Federation.html
> ?
>
>
>
> On Thu, Jan 23, 2014 at 9:35 AM, AnilKumar B <akumarb2010@gmail.com>wrote:
>
>> Hi,
>>
>> We tried setting up HDFS name node federation set up with 2 name nodes. I
>> am facing few issues.
>>
>> Can any one help me in understanding below points?
>>
>> 1) how can we configure different namespaces to different name node?
>> Where exactly we need to configure this?
>>
> See the documentation. If it is not clear, please open a jira.
>
>
>>
>> 2) After formatting each NN with one cluster id, Do we need to set this
>> cluster id in hdfs-site.xml?
>>
> There is no need to set the cluster id in hdfs-site.xml
>
>
>>
>> 3) I am getting exception like, data dir already locked by one of the NN,
>> But when don't specify data.dir, then it's not showing exception. So what
>> could be the issue?
>>
>
> Are you running the two namenode processes on the same machine?
>
>>
>>  Thanks & Regards,
>> B Anil Kumar.
>>
>
>
>
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