This could be related to HADOOP-1332.
On May 15, 2007, at 11:35 PM, Owen O'Malley (JIRA) wrote:
[ https://issues.apache.org/jira/browse/HADOOP-1374?
page=com.atlassian.jira.plugin.system.issuetabpanels:comment-
tabpanel#action_12496206 ]
Owen O'Malley commented on HADOOP-1374:
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It should be noted that this has only been seen on windows.
TaskTracker falls into an infinite loop.
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Key: HADOOP-1374
URL: https://issues.apache.org/jira/browse/
HADOOP-1374
Project: Hadoop
Issue Type: Bug
Affects Versions: 0.12.3
Reporter: Konstantin Shvachko
Fix For: 0.13.0
All maps had been completed successfully. I had only one reduce
task during which
TaskTracker infinitely outputs:
07/05/15 19:35:41 INFO mapred.TaskTracker: task_0001_r_000000_0
0.16666667% reduce > copy (4 of 8 at 0.00 MB/s) >
07/05/15 19:35:42 INFO mapred.TaskTracker: task_0001_r_000000_0
0.16666667% reduce > copy (4 of 8 at 0.00 MB/s) >
07/05/15 19:35:43 INFO mapred.TaskTracker: task_0001_r_000000_0
0.16666667% reduce > copy (4 of 8 at 0.00 MB/s) >
07/05/15 19:35:44 INFO mapred.TaskTracker: task_0001_r_000000_0
0.16666667% reduce > copy (4 of 8 at 0.00 MB/s) >
07/05/15 19:35:45 INFO mapred.TaskTracker: task_0001_r_000000_0
0.16666667% reduce > copy (4 of 8 at 0.00 MB/s) >
JobTracker does not log anything about task task_0001_r_000000_0
except for
07/05/15 19:49:01 INFO mapred.JobTracker: Adding task
'task_0001_r_000000_0' to tip tip_0001_r_000000, for tracker
'tracker_my-host.com:50050'
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