[MAPREDUCE-1482] Better handling of task diagnostic information stored in the TaskInProgress

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.21.0
• Component/s: jobtracker
• Hadoop Flags: Reviewed
• Release Note: Limit the size of diagnostics-string and state-string shipped as part of task status. This will help keep the JobTracker's memory usage under control. Diagnostic string and state string are capped to 1024 chars.
• Assignee: Amar Kamat
• Reporter: Amar Kamat
• Created: 11/Feb/10 08:21
• Updated: 24/Aug/10 21:20
• Resolved: 16/Mar/10 18:03

Description

Task diagnostic information can be very large at times eating up Jobtracker's memory. There should be some way to avoid storing large error strings in JobTracker.