Kind of instance types we support when starting a worker

#1

We can specify the kind of instance when starting a worker

Cluster.startNode(1,‘r3.4xlarge’)

Which are all the instance types we support?

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#2

You can run

c3ShowType(AwsEc2InstanceType)

to see the enumeration of all known AWS Ec2 Instance Types. Or you can rely on the AWS documentation (https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/concepts.html).

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#3

Note that not all instance types are appropriate for worker nodes. In particular, an instance needs to have local SSD (“ephemeral”) disk. Otherwise the node will start but quickly fill up with logs and die.

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