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RE: How to balance reduce job - MapReduce - [mail # user]
...The typical Partitioner method for assigning reducer r from reducers R is  r = hash(key) % count(R)  However if you find your partitioner is assigning your data to too few or one r...
   Author: Tony Burton, 2013-05-07, 15:13
RE: Group names for custom Counters - MapReduce - [mail # user]
...Thanks Michel! Looks like that’ll do the trick.  It wasn’t clear originally from the docs that context.getCounter(groupName, counterName) will create the group and counter if they don’t...
   Author: Tony Burton, 2013-03-25, 11:02
RE: Map output compression in Hadoop 1.0.3 - MapReduce - [mail # user]
...Hi Andy and list,  Apologies - I've not been looking at my list inbox for a while, so missed this request. I'm running some tests as I type, and will report back when they're done. I'm ...
   Author: Tony Burton, 2012-12-19, 09:19
[MAPREDUCE-4616] Improvement to MultipleOutputs javadocs - MapReduce - [issue]
...In the new API, and using MultipleOutputs it is possible to segment output into directories by using MultipleOutputs.write(KEYOUT key, VALUEOUT value, String baseOutputPath) in the Reducer t...
http://issues.apache.org/jira/browse/MAPREDUCE-4616    Author: Tony Burton, 2012-10-12, 17:04
RE: first Jira submission: what happens next? - MapReduce - [mail # dev]
...Hi,  Sorry to sound like a scratched record - what's happening with https://issues.apache.org/jira/browse/MAPREDUCE-4616? Is there anything I need to do? (apart from send occasional rem...
   Author: Tony Burton, 2012-10-11, 17:05
RE: hadoop trunk build failure - yarn, surefire related? - MapReduce - [mail # user]
...Another "mvn test" caused the build to fail slightly further down the road.  As my Jira issue is documentation-only, I've submitted the patch anyway.  Is this multiple-failure scen...
   Author: Tony Burton, 2012-09-11, 15:42
RE: Undeliverable messages - MapReduce - [mail # user]
...No problem! I'll remove that Outlook filter now... :)  From: Harsh J [mailto:[EMAIL PROTECTED]]  Sent: 11 September 2012 10:34 To: [EMAIL PROTECTED] Subject: Re: Undeliverable mess...
   Author: Tony Burton, 2012-09-11, 09:55
RE: build failure - trying to build hadoop trunk checkout - MapReduce - [mail # user]
...Changing the hostname to lowercase fixed this particular problem - thanks f or your replies.  The build is failing elsewhere now, I'll post a new thread for that.  Tony   &nbs...
   Author: Tony Burton, 2012-09-11, 08:55
RE: hadoop 1.0.3 equivalent of MultipleTextOutputFormat - MapReduce - [mail # user]
...Done! https://issues.apache.org/jira/browse/MAPREDUCE-4616  (although this is my first Jira, so if there are any mistakes or modificati ons needed please let me know off-list - thanks!)...
   Author: Tony Burton, 2012-08-31, 10:15
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