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MapReduce, mail # user - config ... answer for Visioner Sadak


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Re: config ... answer for Visioner Sadak
Visioner Sadak 2012-11-07, 14:46
Hey thnks Andy.....prob solved.....

On Wed, Nov 7, 2012 at 8:09 PM, Kartashov, Andy <[EMAIL PROTECTED]>wrote:

>  Sadak,
>
>
>
> Sorry, could not answer your original e-mail as it was blocked.
>
>
>
> Are you running SNN on a separate node?
>
>
>
> If so, it needs to communicate with NN.
>
>
>
> Add this property to your hdfs-site.xml
>
> <property>
>
>      <name>dfs.namenode.http-address</name>
>
>      <value><host-name>:50070</value> <!—change it to 0.0.0.0:50070 if
> you are running EC2 à
>
>      <description>
>
>          Needed for running SNN
>
>          The address and the base port on which the dfs NameNode Web UI
> will listen.
>
>          If the port is 0, the server will start on a free port.
>
>      </description>
>
>   </property>
>
>
>
>
>
> Also, if you want to overwrite default directory for SNN to
> /home/hadoop/dfs/namesecondary
>
> Then also add to the hdfs-site.xml of your SNN:
>
> <property>
>
>     <name>dfs.namenode.checkpoint.dir</name>
>
>     <value>/home/hadoop/dfs/namesecondary</value>
>
> </property>
>
>
>
> Let us know how it went.
>
>
>
> Rgds,
>
> AK47
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