Great! What kind of research are you doing? -- Andrei
On Tue, May 22, 2012 at 6:41 PM, Andrii Vozniuk <and...@vozniuk.com> wrote: > Just confirming that following Andrei's trick I was able to run a > heterogeneous cluster on EC2. > > Thanks for the help, > Andrii > > On Tue, May 15, 2012 at 11:08 PM, Andrii Vozniuk <and...@vozniuk.com> > wrote: > > > 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 <savu.and...@gmail.com > >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 <and...@vozniuk.com> > >> 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 > > > > > > > > > -- > Best regards > Andrii Vozniuk >