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Re: mrunit question - MapReduce - [mail # user]
...On 08/11/2010 08:14 PM, Aaron Kimball wrote:  Sort of.  What would wind up happening is that setConf would get called  twice:  once by the mrunit framework with the empty...
4 emails [+ more]    Author: David Rosenstrauch, 2010-08-12, 02:24
Re: How to set SequenceFile.Metadata from within SequenceFileOutputFormat? - MapReduce - [mail # user]
...On 08/09/2010 09:14 PM, Harsh J wrote:  Tnx for the tip - didn't know about MultipleOutputs.  (Though it's  probably overkill for what I'm doing.)  Thanks again,  DR...
7 emails [+ more]    Author: David Rosenstrauch, 2010-08-10, 02:52
Re: DBInputFormat / DBWritable question - MapReduce - [mail # user]
...Tnx much for the info, and the additional tips.  Unfortunately we're doing a lot of transforming of the DB data as we're  bringing it into Hadoop, so I don't think Sqoop's an optio...
2 emails [+ more]    Author: David Rosenstrauch, 2010-08-09, 18:09
Re: Partitioner in Hadoop 0.20 - MapReduce - [mail # user]
...On 08/04/2010 01:55 PM, Wilkes, Chris wrote:  So my partitioner needs to implement Configurable, then not  JobConfigurable.  Tnx much!  DR...
2 emails [+ more]    Author: David Rosenstrauch, 2010-08-04, 17:58
Fwd: Partitioner in Hadoop 0.20 - MapReduce - [mail # user]
...Someone sent this email to the commons-user list a while back, but it  seems like it slipped through the cracks.  We're starting to dig into  some hard-core Hadoop development...
   Author: David Rosenstrauch, 2010-08-04, 15:38
Re: Aborting a MapReduce job - MapReduce - [mail # user]
...On 05/03/2010 07:55 PM, Ersoy Bayramoglu wrote:  Can't you just throw an exception inside the mapper?  I think that would  kill the job.  It wouldn't stop any job tasks c...
   Author: David Rosenstrauch, 2010-05-04, 14:17
Re: Memory intensive jobs and JVM reuse - MapReduce - [mail # user]
...On 04/29/2010 11:08 AM, Danny Leshem wrote:  OK, sorry for the misunderstanding.  Hmmm ... well ... I thought there was a config parm to control whether  the task gets launche...
2 emails [+ more]    Author: David Rosenstrauch, 2010-04-29, 15:43
Re: Partitioning Reducer Output - MapReduce - [mail # user]
...On 04/02/2010 08:32 PM, rakesh kothari wrote:  Use a partitioner?  http://hadoop.apache.org/common/docs/r0.20.1/api/org/apache/hadoop/mapreduce/Job.html#setPartitionerClass%28java....
   Author: David Rosenstrauch, 2010-04-05, 14:35
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