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. Appendix A: Connections
  17. Appendix B: Data Type Reference
  18. Appendix C: Function Reference

Core Instance Group Options

Core Instance Group Options

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


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