[HADOOP-3080] Remove flush calls from JobHistory

• Type: Bug
• Status: Closed
• Priority: Blocker
• Resolution: Fixed
• Affects Version/s: 0.17.0
• Fix Version/s: 0.17.0
• Assignee: Amareshwari Sriramadasu
• Reporter: Devaraj Das
• Created: 24/Mar/08 16:39
• Updated: 08/Jul/09 16:52
• Resolved: 25/Mar/08 10:41

Description

The flush calls from JobHistory should be removed. This has performance impact when lots of events are being logged to the history files since the JT lock (e.g. lostTracker where the tracker had ran a lot of tasks, and we call failedTask in a loop, etc.)