Home | About | Sematext search-lucene.com search-hadoop.com
 Search Hadoop and all its subprojects:

Switch to Threaded View
Hadoop >> mail # user >> Dynamically adding nodes in Hadoop

Copy link to this message
Re: Dynamically adding nodes in Hadoop

in the slave - file too. /etc/hosts is also recommend to avoid DNS
issues. After adding in slaves the new node has to be started and
should quickly appear in the web-ui. If you don't need the nodes all
time you can setup a exclude and refresh your cluster

- Alex

On Sat, Dec 17, 2011 at 12:06 PM, madhu phatak <[EMAIL PROTECTED]> wrote:
> Hi,
>  I am trying to add nodes dynamically to a running hadoop cluster.I started
> tasktracker and datanode in the node. It works fine. But when some node
> try fetch values ( for reduce phase) it fails with unknown host exception.
> When i add a node to running cluster do i have to add its hostname to all
> nodes (slaves +master) /etc/hosts file? Or some other way is there?
> --
> Join me at http://hadoopworkshop.eventbrite.com/

Alexander Lorenz

P Think of the environment: please don't print this email unless you
really need to.