[DRILL-7140] RM: Drillbits fail with "No enum constant QueueSelectionPolicy.SelectionPolicy.bestfit"

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 1.16.0
• Component/s: Execution - Flow
• Labels: ready-to-commit

Environment

master + changes to enable RM

• Assignee: Sorabh Hamirwasia
• Reporter: Abhishek Ravi
• Reviewer: Hanumath Rao Maduri
• Created: 29/Mar/19 16:36
• Updated: 01/Apr/19 14:40
• Resolved: 01/Apr/19 14:40

Description

A sample configuration for RM with value bestfit for queue_selection_policy fails with

	at org.apache.drill.exec.resourcemgr.config.ResourcePoolTreeImpl.<init>(ResourcePoolTreeImpl.java:82) ~[drill-java-exec-1.16.0-SNAPSHOT.jar:1.16.0-SNAPSHOT]
	at org.apache.drill.exec.resourcemgr.config.ResourcePoolTreeImpl.<init>(ResourcePoolTreeImpl.java:63) ~[drill-java-exec-1.16.0-SNAPSHOT.jar:1.16.0-SNAPSHOT]
	at org.apache.drill.exec.work.foreman.rm.DistributedResourceManager.<init>(DistributedResourceManager.java:46) ~[drill-java-exec-1.16.0-SNAPSHOT.jar:1.16.0-SNAPSHOT]
	... 6 common frames omitted
Caused by: java.lang.IllegalArgumentException: No enum constant org.apache.drill.exec.resourcemgr.config.selectionpolicy.QueueSelectionPolicy.SelectionPolicy.bestfit
	at java.lang.Enum.valueOf(Enum.java:238) ~[na:1.8.0_181]
	at org.apache.drill.exec.resourcemgr.config.selectionpolicy.QueueSelectionPolicy$SelectionPolicy.valueOf(QueueSelectionPolicy.java:32) ~[drill-java-exec-1.16.0-SNAPSHOT.jar:1.16.0-SNAPSHOT]
	at org.apache.drill.exec.resourcemgr.config.ResourcePoolTreeImpl.<init>(ResourcePoolTreeImpl.java:74) ~[drill-java-exec-1.16.0-SNAPSHOT.jar:1.16.0-SNAPSHOT]
	... 8 common frames omitted

The issue here seems to be the case mismatch between bestfit and enum constant BESTFIT. Hence SelectionPolicy.valueOf does not find bestfit.

Issue Links

• links to: GitHub Pull Request #1720