[MAPREDUCE-4480] T_ATTEMPT_KILLED after SUCCEEDED can happen for reduces too

• Type: Bug
• Status: Resolved
• Priority: Critical
• Resolution: Not A Problem
• Affects Version/s: 2.0.2-alpha, 3.0.0-alpha1
• Assignee: Unassigned
• Reporter: Robert Joseph Evans
• Created: 25/Jul/12 17:59
• Updated: 12/May/16 18:23
• Resolved: 15/Nov/12 16:05

Description

This does not seem to impact 0.23. If speculative execution is enabled then a T_ATTEMPT_KILLED event can come in after the task has transitioned to SUCCEEDED. This causes the MapRetroactiveKilledTransition to kill the Job, because it expects to only handle map tasks.