[MAPREDUCE-48] Expired launching tasks affect small jobs' execution time

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Not A Problem
• Assignee: Unassigned
• Reporter: Vinod Kumar Vavilapalli
• Created: 06/Mar/09 11:38
• Updated: 31/Dec/11 09:20
• Resolved: 31/Dec/11 09:20

Description

Currently when a task is given to a TT, the JT doesn't mark the task as running till the TT responds back to the JT. And within 10 mins(hard-coded), if the task doesn't come back, then only the task gets relaunched. For small jobs, this is a lot of time.