Thanks Andrew! So to confirm, currently I am specifying 2 nodes: whirr.instance-templates=1 hadoop-namenode+A, 1 hadoop-datanode+B
now I need to replace it with 2 separate entries: whirr.templates.hadoop-namenode+A.hardware-id=m1.large whirr.templates.hadoop-datanode+B.hardware-id=m1.medium Is this correct? Also, a follow-up question: suppose I want to specify x instance of A and y instances of B on the same node. How can I do that? i.e. In general, can we specify separate number for individual roles on an instance? -Satish On Wed, Aug 7, 2013 at 11:41 PM, Andrew Bayer <andrew.ba...@gmail.com>wrote: > Yup, there's an easy way to do that - > > whirr.templates.foo+bar.hardware-id=m1.large or whatever, where "foo+bar" > is the role/roles to use that hardware ID. > > A. > > > On Wed, Aug 7, 2013 at 10:56 AM, Satish Mittal <satish.mit...@gmail.com>wrote: > >> Hi All, >> >> I recently tried out apache whirr to spin off EC2 instances and deploy my >> stack - that comprises of hadoop DN/NN/TT/JT and my distributed >> applications that use hadoop. It worked fine. However in my recipe file, I >> could give only one hardware-id: >> >> whirr.hardware-id=m1.medium >> >> However this configuration applies to all instance-templates in my >> recipe. Ideally I would like to specify different hardwares for different >> instance templates - so that I could spin off EC2 instance type depending >> upon the combination of processes specified in the template (larger machine >> for large number of processes, and vice-versa). Is it possible to do so >> currently? I tried looking into the doc available, but couldn't find any >> way. Am I missing anything? >> >> Thanks, >> Satish >> >> -- >> "The happiest of people don´t necessarily have the best of everything, >> they just make the most of everything that comes along their way." >> > > -- "The happiest of people don´t necessarily have the best of everything, they just make the most of everything that comes along their way."
