That's exactly what I needed to know! Thanks for the thorough explaination HJ :) I'll try this today without the ssh and see how it goes.
Maha On Oct 13, 2010, at 9:56 AM, Harsh J wrote: > Do the 12 hosts have no identity/address known? AFAIK, you need to > install Hadoop to a local disk in each of the nodes in order to have > separate configuration for each of them. You can run them off a common > place too I guess, but the configuration would have to be common > always. > > By specifying the right hostnames/ip-addresses in the masters and > slaves files you should be fine. > > It could work this way if you just have two machines: > masters => > snoopy.domain.etc.etc > > slaves => > snoopy.domain.etc.etc > bonobo.domain.etc.etc > > Provided your nodes can talk to each other without issues and ssh > works fine between them. > > If you don't want to use the ssh easiness, you may start the nodes > manually on each node via hadoop <node-type> or via the JAR, etc. by > logging onto them and issuing so. > > On Wed, Oct 13, 2010 at 9:24 PM, maha <[email protected]> wrote: >> Thanks for the link HTH, that's a great link, but actually hadoop is in my >> account, so whether I accessed 'snoopy' or 'booboo' I can see hadoop >> installed i. How can I specify that the hadoop in my account is for one of >> them and install another for the other computer? is it through the >> hadoop.tmp.dir by including 'snoopy.cs.ucsb.edu' and 'booboo.cs.ucsb.edu' as >> hosts?master and slave? >> >> Thanks, >> Maha >> >> >> On Oct 12, 2010, at 9:04 PM, Medha Atre wrote: >> >>> http://www.michael-noll.com/wiki/Running_Hadoop_On_Ubuntu_Linux_%28Multi-Node_Cluster%29 >>> >>> HTH. >>> >>> On Tue, Oct 12, 2010 at 6:11 PM, maha <[email protected]> wrote: >>>> Hi, >>>> >>>> I'm trying to run Hadoop on two computers out of 12 network-connected >>>> computers. I know only know the 2 computer names ( 'snoopy','booboo') as >>>> established by the department and the host name is "cs.ucsb.edu". >>>> when I ssh to my account, I want to login to 'snoopy', install hadoop and >>>> specify 'booboo' to be a slave. >>>> >>>> Can any one help? or guide me to a website to read? >>>> >>>> Thank you, >>>> Maha >> >> > > > > -- > Harsh J > www.harshj.com
