Grokbase › Groups › Hadoop › common-user › July 2010
FAQ
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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  • Ken Goodhope at Jul 22, 2010 at 2:53 pm ⇧
    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 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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groupcommon-user @
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postedJul 22, '10 at 12:38p
activeJul 22, '10 at 2:53p
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Khaled BEN BAHRI: 1 post Ken Goodhope: 1 post

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