ModifyInstanceGroups

Source: src/AWS/EMR/ModifyInstanceGroups.ts

Runtime binding for elasticmapreduce:ModifyInstanceGroups — resizes or reconfigures the bound cluster’s instance groups (target counts, EC2 configurations, shrink policies).

Scaling the Cluster

const modifyGroups = yield* AWS.EMR.ModifyInstanceGroups(cluster);

yield* modifyGroups({
  InstanceGroups: [{ InstanceGroupId: coreGroupId, InstanceCount: 3 }],
});