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Re: why is num of map tasks gets overridden? - MapReduce - [mail # user]
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...http://wiki.apache.org/hadoop/HowManyMapsAndReduces Bertrand On Tue, Aug 21, 2012 at 2:19 PM, nutch buddy wrote: Bertrand Dechoux...
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Author: Bertrand Dechoux,
2012-08-21, 12:52
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Re: Issue while setting up eclipse for mapreduce - MapReduce - [mail # user]
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...Hi Rahul , 1) which blog? 2) don't use bold... 3) use maven? 4) If you really like doing everything by hand, you should be able to download them from maven repository : http://mvnrepos...
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Author: Bertrand Dechoux,
2012-08-21, 11:05
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Re: Collecting MAP output in a Iterator - MapReduce - [mail # user]
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...The question is why do you want to do that? How will you use the output? You really want a cross join? This a very expensive operation (in terms of memory). Could you provide more cont...
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Author: Bertrand Dechoux,
2012-08-20, 20:28
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Re: Hadoop Real time help - MapReduce - [mail # user]
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...The terms are * ESP : http://en.wikipedia.org/wiki/Event_stream_processing * CEP : http://en.wikipedia.org/wiki/Complex_event_processing By the way, processing streams in real time ten...
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Author: Bertrand Dechoux,
2012-08-20, 07:37
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Re: Hadoop Real time help - MapReduce - [mail # user]
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...Lucene allows you to build a kind of inverted index "content to document identifier". Solr or ElasticSearch allows to scale the process. However, if I am reading it correctly, you are ...
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Author: Bertrand Dechoux,
2012-08-19, 19:34
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Re: Hadoop Real time help - MapReduce - [mail # user]
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...That's a good question. More and more people are talking about Hadoop Real Time. One key aspect of this question is whether we are talking about MapReduce or not. MapReduce greatly imp...
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Author: Bertrand Dechoux,
2012-08-19, 16:22
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Re: Permission denied hadoop job - MapReduce - [mail # user]
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...It wasn't meant to be a sardonic retort and I apologize if it did sound like it. A few times, people ask questions which make think that they didn't have access to the right documentation. &...
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Author: Bertrand Dechoux,
2012-08-19, 11:29
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Re: Permission denied hadoop job - MapReduce - [mail # user]
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...Hi, I have never heard about a magic group called 'hadoop'. Does it have a specific meaning in your context? You should read more about security in Hadoop. Your last question hin...
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Author: Bertrand Dechoux,
2012-08-19, 03:50
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Re: video compression - MapReduce - [mail # user]
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...Hi Malik, What the question? 1) Can Hadoop be used to compress efficiently videos? Sure, parellelization could help in that case. 2) Does Hadoop provide a class/library in ...
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Author: Bertrand Dechoux,
2012-08-17, 06:00
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Re: medical diagnosis project - MapReduce - [mail # user]
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...Hi, This is a *not-for*-*profit *mailing list. You might want to describe more precisly what are your questions. You have a problem (medical diagnosis) and you choose a technical solut...
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Author: Bertrand Dechoux,
2012-08-16, 08:08
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