Table of Contents


  1. Preface
  2. Introduction to Informatica Big Data Management
  3. Mappings
  4. Sources
  5. Targets
  6. Transformations
  7. Data Preview
  8. Cluster Workflows
  9. Profiles
  10. Monitoring
  11. Hierarchical Data Processing
  12. Hierarchical Data Processing Configuration
  13. Hierarchical Data Processing with Schema Changes
  14. Intelligent Structure Models
  15. Stateful Computing
  16. Connections
  17. Data Type Reference
  18. Function Reference

Task Instance Group Options

Task Instance Group Options

The following table describes task instance group options that you can set for an EMR cluster:
Task Instance Type
Task node EC2 instance type.
You can specify any available EC2 instance type.
Default is m4.4xlarge.
Task Instance Count
Number of task EC2 instances to create in the cluster.
Default is 2.
Task Instance Maximum Spot Price
Maximum spot price for task nodes. Setting this property changes the purchasing option of the task instance group to Spot instead of On-demand.
Task Auto-Scaling Policy
Optional. Auto-scaling policy for task instances. Type the policy JSON statement here, or provide a path to a file that contains a JSON statement.


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