[HADOOP-1322] Tasktracker blacklist leads to hung jobs in single-node cluster

• Type: Bug
• Status: Closed
• Priority: Critical
• Resolution: Fixed
• Fix Version/s: 0.13.0
• Assignee: Arun Murthy
• Reporter: Arun Murthy
• Created: 02/May/07 23:33
• Updated: 08/Jul/09 16:52
• Resolved: 03/May/07 19:42

Description

Post HADOOP-1278, adding the tasktracker to the blacklist in single-node clusters leads to a situation where the entire cluster is 'flaky' and no trackers are available to execute tasks.

The straight-forward fix to check before adding the tracker to the blacklist.