It could either mean that all those task-attempts are crashing before the process itself is getting spawned (check TT logs) or those logs are getting deleted after the fact. Suspect the earlier.
On Jul 23, 2013, at 9:33 AM, Ajay Srivastava wrote:
> I see that most of the tasks have only log.index created in /opt/hadoop/logs/userlogs/jobId/task_attempt directory.
> When does this happen ?
> Is there a config setting for this OR this is a bug ?
> Ajay Srivastava