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Re: how to observe spill operation during shuffle in mapreduce? - MapReduce - [mail # user]
...Hi ,     You can look at the job metrics from your jobtracker Web UI .  The "Spilled Record" Counter under the group "Map Reduce Framework" displays the number of records spil...
   Author: Ravi Kiran, 2013-09-05, 08:02
Re: WritableComparable.compareTo vs RawComparator.compareTo - MapReduce - [mail # user]
...Also, if both are defined , the framework will use RawComparator . I hope you have registered the comparator in a static block as follows  static { WritableComparator.define(PairOfInts....
   Author: Ravi Kiran, 2013-08-31, 07:58
Re: MapReduce Tutorial tweak - MapReduce - [mail # user]
...Also to add, the default serialization libraries supported are specified in core-default,xml as     io.serializations  org.apache.hadoop.io.serializer.WritableSerialization,or...
   Author: Ravi Kiran, 2013-08-28, 03:22
Re: Writing multiple tables from reducer - MapReduce - [mail # user]
...I have written a blog on this a while ago where I was writing to multiple tables from my mapper class. You can look into it at http://bigdatabuzz.wordpress.com/2012/04/24/how-to-write-to-mul...
   Author: Ravi Kiran, 2013-08-28, 03:11
Re: is it possible to run a executable jar with ClientAPI? - MapReduce - [mail # user]
...Hi ,     You can definitely run the Driver (ClassWithMain) to a remote hadoop cluster from say Eclipse following the steps under a) Have the jar (Some.jar) in your classpath of you...
   Author: Ravi Kiran, 2013-08-23, 05:28
Re: Make job output be a comma separated file - MapReduce - [mail # user]
...Hi Andrew,    Can you please tell me which version of Hadoop you use.. I noticed that in Hadoop 1.0.4 , the class org.apache.hadoop.mapreduce.lib.output.TextOutputFormat is looking...
   Author: Ravi Kiran, 2013-07-18, 18:15
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