hadoop-ec2 launch-slaves my-cluster 5
to launch 5 additional slaves. It will take a few minutes for the slaves to join the cluster, but you don't need to do anything else.
Stopping nodes is more complicated.
Sunday, April 19, 2009
Hadoop & EC2: Adding slaves to an existing cluster
Suppose you have a cluster called my-cluster running, and you wish to add more slaves. This is really easy to do -- simply run
to launch 5 additional slaves. It will take a few minutes for the slaves to join the cluster, but you don't need to do anything else.
Stopping nodes is more complicated.
to launch 5 additional slaves. It will take a few minutes for the slaves to join the cluster, but you don't need to do anything else.
Stopping nodes is more complicated.
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