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Re: XML parsing in Hadoop - MapReduce - [mail # user]
...Hello Chhaya,  I'm not sure why the job launches 4 map tasks, since your input file's size is 2MB, which is less than 1 HDFS block (64MB by default) - I would expect to initialize only ...
   Author: Sofia Georgiakaki, 2013-11-28, 09:28
Re: Sorting Values sent to reducer NOT based on KEY (Depending on part of VALUE) - MapReduce - [mail # user]
...Hello,  Sorting is done by the SortingComparator which performs sorting based on the value of key. A possible solution would be the following: You could write a custom Writable comparab...
   Author: Sofia Georgiakaki, 2013-04-23, 07:45
Re: product recommendations engine - MapReduce - [mail # user]
...Good morning,  Myrrix provides a Recommender that implements a specific recommendation algorithm based on matrix factorization, which is generally efficient in most cases. However, depe...
   Author: Sofia Georgiakaki, 2013-02-19, 09:09
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