[TEZ-3203] DAG hangs when one of the upstream vertices has zero tasks

• Type: Bug
• Status: Closed
• Priority: Critical
• Resolution: Fixed
• Affects Version/s: 0.7.0
• Fix Version/s: 0.7.1, 0.9.0, 0.8.4
• Target Version/s: 0.7.1
• Hadoop Flags: Reviewed
• Assignee: Jason Darrell Lowe
• Reporter: Jason Darrell Lowe
• Created: 07/Apr/16 20:35
• Updated: 18/May/16 04:55
• Resolved: 28/Apr/16 14:00

Description

A DAG hangs during execution if it has a vertex with multiple inputs and one of those upstream vertices has zero tasks and is using ShuffleVertexManager.