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From Ahmed Abdeen Hamed <ahmed.elma...@gmail.com>
Subject MapReduce error
Date Wed, 18 Jan 2012 21:30:18 GMT
Hello friends,

I am new to Apache MapReduce. I just wrote a program that processes 89
files, each of which is 10000 lines. The program runs a clustering
algorithm of the contents of the 89 files. The job failed a couple of times
before it was terminated without any results wrote to the output folder.

Here is the logs printer on the console:

12/01/18 15:27:54 INFO input.FileInputFormat: Total input paths to process
: 88
12/01/18 15:27:59 INFO mapred.JobClient: Running job: job_201201121550_0055
12/01/18 15:28:00 INFO mapred.JobClient:  map 0% reduce 0%
12/01/18 15:28:19 INFO mapred.JobClient:  map 1% reduce 0%
12/01/18 15:28:40 INFO mapred.JobClient:  map 2% reduce 0%
12/01/18 15:32:46 INFO mapred.JobClient:  map 3% reduce 0%
12/01/18 15:42:50 INFO mapred.JobClient:  map 2% reduce 0%
12/01/18 15:42:52 INFO mapred.JobClient: Task Id :
attempt_201201121550_0055_m_000002_0, Status : FAILED
Task attempt_201201121550_0055_m_000002_0 failed to report status for 602
seconds. Killing!
12/01/18 15:43:02 INFO mapred.JobClient:  map 3% reduce 0%
12/01/18 15:52:15 INFO mapred.JobClient:  map 4% reduce 0%
12/01/18 16:02:18 INFO mapred.JobClient:  map 3% reduce 0%
12/01/18 16:02:20 INFO mapred.JobClient: Task Id :
attempt_201201121550_0055_m_000004_0, Status : FAILED
Task attempt_201201121550_0055_m_000004_0 failed to report status for 602
seconds. Killing!
12/01/18 16:02:30 INFO mapred.JobClient:  map 4% reduce 0%
12/01/18 16:02:42 INFO mapred.JobClient:  map 5% reduce 0%

I don't now familiar with the rules of this list, but I would share the
code if this is required and OK to do.

Please let me know if you have any answers for me.

Thanks very much,
-Ahmed

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