Hi Tim,
You can use ec2-revoke to disassociate the groups from each other,
then delete the groups. In fact, the "hadoop-ec2 delete-cluster"
command does exactly this. Does this solve your problem?
Inheriting from a base group might be a useful enhancement - would you
like to start a Jira for this
I have been playing with hadoop-ec2 (src/contrib/ec2) and have found a
minor problem
When a cluster is launched, it creates two security groups and cross
links them, ie for cluster-name it creates EC2 security groups
and -master , the cross-linking is i believe to allow all th
