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Re: Relationship between heap sizes and mapred.child.java.opt configuration - HDFS - [mail # user]
...mapred.child.java.opts are referring to the settings for the JVMs spawned by the TaskTracker. This JVMs will actually run the tasks (mappers and reducers)  The heap sizes for TaskTracke...
   Author: Kai Voigt, 2013-11-25, 15:02
Re: Not saving any output - HDFS - [mail # user]
...You can have your python streaming script simply not write any key/value pairs to stdout, so you'll get an empty job output.  Independently, your script could do anything external, such...
   Author: Kai Voigt, 2013-05-28, 20:43
Re: Can any one give Cloudera Manager Detailed Explanation link - HDFS - [mail # user]
...Cloudera Manager installs a tiny agent on each node in the cluster. These agents send their local information to a centralized server which provides a web based access to the administrator. ...
   Author: Kai Voigt, 2013-05-16, 12:13
Re: Bloom Filter analogy in SQL - HDFS - [mail # user]
...http://billmill.org/bloomfilter-tutorial/ has nice explanation, and it links to the Wiki entry for further theory.   Am 07.05.2013 um 16:56 schrieb Tony Burton :   Kai Voigt [EMAIL...
   Author: Kai Voigt, 2013-05-07, 14:59
Re: How to take Whole Database From RDBMS to HDFS Instead of Table/Table - HDFS - [mail # user]
...http://sqoop.apache.org/docs/1.4.1-incubating/SqoopUserGuide.html#_literal_sqoop_import_all_tables_literal is your friend  Kai  Am 27.02.2013 um 12:09 schrieb samir das mohapatra :...
   Author: Kai Voigt, 2013-02-27, 11:11
Re: a question on NameNode - HDFS - [mail # user]
...Hi,  Am 19.11.2012 um 15:27 schrieb "Kartashov, Andy" :   when a NameNode starts, it does that in safe mode. Like you said, it doesn't know where the blocks are. The DataNodes send...
   Author: Kai Voigt, 2012-11-19, 14:31
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