Re: Every time the mapping phase finishes I see this

2009-06-08 Thread Steve Loughran
Mayuran Yogarajah wrote: There are always a few 'Failed/Killed Task Attempts' and when I view the logs for these I see: - some that are empty, ie stdout/stderr/syslog logs are all blank - several that say: 2009-06-06 20:47:15,309 WARN org.apache.hadoop.mapred.TaskTracker: Error running child

Re: Every time the mapping phase finishes I see this

2009-06-08 Thread Mayuran Yogarajah
I should mention..these are Hadoop streaming jobs, Hadoop version hadoop-0.18.3. Any idea about the empty stdout/stderr/syslog logs? I have no way to really track down whats causing them. thanks Steve Loughran wrote: Mayuran Yogarajah wrote: There are always a few 'Failed/Killed Task

Every time the mapping phase finishes I see this

2009-06-06 Thread Mayuran Yogarajah
There are always a few 'Failed/Killed Task Attempts' and when I view the logs for these I see: - some that are empty, ie stdout/stderr/syslog logs are all blank - several that say: 2009-06-06 20:47:15,309 WARN org.apache.hadoop.mapred.TaskTracker: Error running child java.io.IOException: