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
[EMAIL PROTECTED]

Hi
Please see the steps below.

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

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

Thanks
Deepak

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
> [EMAIL PROTECTED]
--
Deepak Sharma
http://www.linkedin.com/in/rikindia

On Mar 5, 2011, at 4:13 AM, 周俊清 wrote:

> 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

See Question 6 in the FAQ:

http://wiki.apache.org/hadoop/FAQ