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Re: from relational to bigger data - MapReduce - [mail # user]
...And to make things a bit more explicit, Sqoop is the name of a project "SQL to Hadopp". http://sqoop.apache.org/  As for crunch, I guess Chris used the generic term. You could use MapRe...
   Author: Bertrand Dechoux, 2013-12-20, 10:35
Re: Alternatives to Tuxedo suite (Bowtie, Tophat, and Cufflinks) based on Hadoop - MapReduce - [mail # user]
...If those tools to not require a shared memory, you could use them using your preferred solution : java Api, Hadoop Streaming, Pig, Hive, Cascading...  Regards  Bertrand   On W...
   Author: Bertrand Dechoux, 2013-11-06, 22:01
Re: Issues in emitting 2D double array to Reducer. - MapReduce - [mail # user]
...Use @Override to specify that you indeed override the good methods.  Bertrand   On Mon, Oct 28, 2013 at 11:30 AM, Mirko Kämpf wrote:    Bertrand Dechoux...
   Author: Bertrand Dechoux, 2013-10-28, 11:52
Re: question about hdfs data loss risk - MapReduce - [mail # user]
...Hi,  1) You may want to read about proper node decommissioning. http://wiki.apache.org/hadoop/FAQ#I_want_to_make_a_large_cluster_smaller_by_taking_out_a_bunch_of_nodes_simultaneously._H...
   Author: Bertrand Dechoux, 2013-10-27, 22:03
Re: MRUNIT basic question - MapReduce - [mail # user]
...Hi,  There is a withConfiguration method.  http://mrunit.apache.org/documentation/javadocs/1.0.0/org/apache/hadoop/mrunit/TestDriver.html#withConfiguration%28org.apache.hadoop.conf...
   Author: Bertrand Dechoux, 2013-10-27, 21:54
Re: high availability - MapReduce - [mail # user]
...http://blog.cloudera.com/blog/2012/10/quorum-based-journaling-in-cdh4-1/  Old version (4.1) but the principle is still the same.  *No requirement for custom fencing configuration *...
   Author: Bertrand Dechoux, 2013-10-16, 05:16
Re: Migrating from Legacy to Hadoop. - MapReduce - [mail # user]
...open source : Pig, Hive, Cascading ... other : Talend ...  Is that the answer you are expecting or are you looking for something more specific?  Regards  Bertrand   On Tu...
   Author: Bertrand Dechoux, 2013-10-08, 15:55
Re: Is there any way to use a hdfs file as a Circular buffer? - MapReduce - [mail # user]
...Regardless of the quota, you can't write over a existing file (except by removing the file and adding a new file with the same name). But if you are only worried about the quota, you simply ...
   Author: Bertrand Dechoux, 2013-07-24, 19:34
Re: Sqoop and Hadoop - MapReduce - [mail # user]
...Hi,  You don't need hive nor hbase. A basic hadoop system (hdfs + mapreduce) is enough. I believe the documentation is well done. If you have further questions, you should ask the corre...
   Author: Bertrand Dechoux, 2013-07-10, 08:06
Re: Shuffle design: optimization tradeoffs - MapReduce - [mail # user]
...On the academic side, you might be interested to read about *resilient distributed datasets (RDDs)* : http://www.cs.berkeley.edu/~matei/papers/2012/nsdi_spark.pdf. Not exactly the same subje...
   Author: Bertrand Dechoux, 2013-06-18, 22:04
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