Hi, On Thu, Sep 25, 2008 at 5:32 PM, Arun C Murthy <[EMAIL PROTECTED]> wrote: > What did the logs for the task-attempt > 'attempt_200809180916_0027_r_000007_2' look like? Did the TIP/Job succeed?
You mean inside userlogs/attempt_blah_blah/syslog? I didn't know about this log file before, thanks! The last several lines of output are: 2008-09-25 17:12:18,250 INFO org.apache.hadoop.mapred.ReduceTask: attempt_200809180916_0027_r_000007_2: Got 2 new map-outputs & number of known map outputs is 21 2008-09-25 17:12:18,251 WARN org.apache.hadoop.mapred.ReduceTask: attempt_200809180916_0027_r_000007_2 Merge of the inmemory files threw an exception: java.io.IOException: Intermedate merge failed at org.apache.hadoop.mapred.ReduceTask$ReduceCopier$InMemFSMergeThread.doInMemMerge(ReduceTask.java:2133) at org.apache.hadoop.mapred.ReduceTask$ReduceCopier$InMemFSMergeThread.run(ReduceTask.java:2064) Caused by: org.apache.lucene.index.MergePolicy$MergeException: segment "_bfu exists in external directory yet the MergeScheduler executed the merge in a separate thread at org.apache.lucene.index.IndexWriter.copyExternalSegments(IndexWriter.java:2362) at org.apache.lucene.index.IndexWriter.addIndexesNoOptimize(IndexWriter.java:2307) at org.apache.hadoop.contrib.index.mapred.IntermediateForm.process(IntermediateForm.java:135) at org.apache.hadoop.contrib.index.mapred.IndexUpdateCombiner.reduce(IndexUpdateCombiner.java:56) at org.apache.hadoop.contrib.index.mapred.IndexUpdateCombiner.reduce(IndexUpdateCombiner.java:38) at org.apache.hadoop.mapred.ReduceTask$ReduceCopier.combineAndSpill(ReduceTask.java:2160) at org.apache.hadoop.mapred.ReduceTask$ReduceCopier.access$3100(ReduceTask.java:341) at org.apache.hadoop.mapred.ReduceTask$ReduceCopier$InMemFSMergeThread.doInMemMerge(ReduceTask.java:2120) ... 1 more 2008-09-25 17:12:19,087 INFO org.apache.hadoop.mapred.ReduceTask: Read 14523136 bytes from map-output for attempt_200809180916_0027_m_000016_0 2008-09-25 17:12:19,087 INFO org.apache.hadoop.mapred.ReduceTask: Rec #1 from attempt_200809180916_0027_m_000016_0 -> (41, 10651153) from ars1dev6 2008-09-25 17:12:19,110 INFO org.apache.hadoop.mapred.ReduceTask: Shuffling 14506735 bytes (14506735 raw bytes) into RAM from attempt_200809180916_0027_m_000009_0 2008-09-25 17:12:19,226 INFO org.apache.hadoop.mapred.ReduceTask: Closed ram manager 2008-09-25 17:12:19,228 WARN org.apache.hadoop.mapred.TaskTracker: Error running child java.io.IOException: attempt_200809180916_0027_r_000007_2The reduce copier failed at org.apache.hadoop.mapred.ReduceTask.run(ReduceTask.java:255) at org.apache.hadoop.mapred.TaskTracker$Child.main(TaskTracker.java:2209) Thanks, Joe