Hadoop-On-Demand (HOD) newbie: question and curious about user experience

2008-04-29 Thread Alvin AuYoung
Hi, I'm interested in running on-demand Hadoop jobs on a shared physical cluster without relying on having hadoop permanently installed on the nodes. HOD seems perfect for this, but I have a few questions that I can't seem to find the answers to from the available documentation. First, I am

Re: Hadoop-On-Demand (HOD) newbie: question and curious about user experience

2008-04-30 Thread Vinod KV
Hey Alvin, First, I am wondering how the allocation actually works. For example, it seems like the hod interface allows me to specify which nodes to run on (in cluster_dir/hadoop-site.xml", and how many nodes to run on (-o option in hod). When I execute this command, do I have to know in ad

Re: Hadoop-On-Demand (HOD) newbie: question and curious about user experience

2008-05-01 Thread Alvin AuYoung
Hi Vinod, thanks a lot for the reply. The updated description answers a lot of my questions -- I apologize for not finding it earlier. On Wed, 30 Apr 2008, Vinod KV wrote: On a first note, can you please tell which documentation you are looking at. 'Coz hod interface is cleaned up and -o op