Andrei, thanks for the quick response! I'll give it a try and reply. What about a general case when I need N subclusters?
Cheers, Andrii On Tue, May 15, 2012 at 10:57 PM, Andrei Savu <[email protected]> wrote: > Yes, in trunk. You need the following trick: > > whirr.instance-templates=1 hadoop-namenode+hadoop-jobtracker, 5 > hadoop-datanode+hadoop-tasktracker, 5 > noop+hadoop-datanode+hadoop-tasktracker > > whirr.templates.hadoop-datanode+hadoop.tasktracker.hardware-id=m1.medium > > whirr.templates.noop+hadoop-datanode+hadoop.tasktracker.hardware-id=m1.large > > Cheers, > > -- Andrei Savu / axemblr.com / Tools for Clouds > > On Tue, May 15, 2012 at 11:53 PM, Andrii Vozniuk <[email protected]> > wrote: > > > Hi all, > > > > For research reasons I would like to run Hadoop MapReduce on a > > heterogeneous EC2 cluster placing 5 datanodes+tasktrackers on m1.medium > and > > 5 datanodes+tasktrackers on m1.large instances. > > > > I know that in https://issues.apache.org/jira/browse/WHIRR-332 some work > > was done towards using different instances depending on a role. But in my > > case I need to use different instances for the same role. > > > > Is this level of customization supported? If not, does the whole > > architecture supports possible introduction of this feature? > > > > -- > > Best regards > > Andrii Vozniuk > > > -- Best regards Andrii Vozniuk
