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From Ken Goodhope <kengoodh...@gmail.com>
Subject Re: adding new node to hadoop cluster
Date Thu, 22 Jul 2010 14:51:49 GMT
The slaves file is only envoked for the start and stop scripts. If you
want to add a node to cluster without restarting it, just ssh to the
node and use the hadoop-daemon.sh script. The options you want are
start datanode and start tasktracker.

On 7/22/10, Khaled BEN BAHRI <Khaled.Ben_bahri@it-sudparis.eu> wrote:
> Hi,
> I want to add a new data node to my hadoop cluster, but the problem
> when add it in configuration files, i have ti restart deamons of
> hadoop to know that is a new data node added to cluster.
> please can any one know how to add new nodes without needing to
> restart hadoop.
> thanks in advance fo help
> Best regards
> khaled

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