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Re: Control the number of Mappers - MapReduce - [mail # user]
...Ah,  In that case this should answer your question: http://wiki.apache.org/hadoop/HowManyMapsAndReduces   2010/11/25 Shai Erera :    Met vriendelijke groeten,  Niels...
   Author: Niels Basjes, 2010-11-25, 20:18
Re: Yahoo Open Source Real-Time MapReduce - MapReduce - [mail # user]
...Hi,  I had a quick read through the site and I have perhaps "the" question: Assume I have an existing Hadoop MapReduce application written in Java. How hard is it to make it run in real...
   Author: Niels Basjes, 2010-11-09, 10:28
Re: Predicting how many values will I see in a call to reduce? - MapReduce - [mail # user]
...Hi,  2010/11/7 Anthony Urso    I've looked for an answer to the same question a while ago and came to the conclusion that you can't. The main limit is that the Iterator does n...
   Author: Niels Basjes, 2010-11-08, 11:32
Re: Duplicated entries with map job reading from HBase - MapReduce - [mail # user]
...Hi,  The only thing I could thinks of right now is that perhaps you have something similar as the effect an encountered a while age and that has been described here: https://issues.apac...
   Author: Niels Basjes, 2010-11-06, 07:45
Understanding FileInputFormat and isSplittable. - MapReduce - [mail # user]
...Hi,  The last few weeks we built an application using Hadoop. Because we're implementing against special logfiles (line oriented, textual and gzipped) and we wanted to extract specific ...
   Author: Niels Basjes, 2010-09-07, 22:02
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