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MapReduce >> mail # dev >> How to add a new node to cluster?

周俊清 2011-03-05, 12:13
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Re: How to add a new node to cluster?
Please see the steps below.

First, add the new node's DNS name to the conf/slaves file on the master

Then log in to the new slave node and execute:

$ cd path/to/hadoop
$ bin/hadoop-daemon.sh start datanode
$ bin/hadoop-daemon.sh start tasktracker


2011/3/5 周俊清 <[EMAIL PROTECTED]>

> Hi,everyone
> I am using apache version of hadoop0.20.2 to do my job. now i want to add a
> new machine to my cluster as TaskTracker and DataNode. How can i do that
> without restart the whole hadoop system? or just run some commands on the
> new machine? any help will be appreciated.thanks
> ----------------------------
> 周俊清
Deepak Sharma
Allen Wittenauer 2011-03-18, 00:07