AddInstanceGroups

Source: src/AWS/EMR/AddInstanceGroups.ts

Runtime binding for elasticmapreduce:AddInstanceGroups — adds task instance groups to the bound cluster (instance-group clusters only). The cluster id is injected as JobFlowId.

Scaling the Cluster

const addGroups = yield* AWS.EMR.AddInstanceGroups(cluster);

const { InstanceGroupIds } = yield* addGroups({
  InstanceGroups: [{
    InstanceRole: "TASK",
    InstanceType: "m5.xlarge",
    InstanceCount: 2,
  }],
});