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Does mapred.local.dir is important factor in reducer side? - MapReduce - [mail # user]
...hi guys,  Hadoop the definitive guide says: intermediate results on the mapper side is written to local disk at mapred.local.dir location so if this location does not have enough space ...
   Author: Majid Azimi, 2012-12-31, 16:14
When reduce function is used as combiner? - MapReduce - [mail # user]
...Hi guys,  When reduce function is used as combiner? It is used as combiner when the iterable passed to reduce function is large? correct?  Is there any maximum size for that iterab...
   Author: Majid Azimi, 2012-12-07, 14:01
HDFS Block size vs Input Split Size - MapReduce - [mail # user]
...hi guys,  I want to get confirmation that I have understood this topic correctly. HDFS block size is number of bytes that HDFS will split a large files into small tokens. Input split si...
   Author: Majid Azimi, 2012-11-18, 05:55
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