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Re: Visual debugging tools for hadoop - MapReduce - [mail # dev]
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...Yes data flow visualizations definitely sound like something that would be good for Ambari. If you are interested in debugging Hadoop jobs there is also the Hadoop Development Tools pr...
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Author: Robert Evans,
2013-06-18, 17:53
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Re: [VOTE] Release Apache Hadoop 0.23.8 - MapReduce - [mail # dev]
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...+1 Downloaded the release and ran a few basic tests. On 5/28/13 11:00 AM, "Thomas Graves" wrote: ...
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Author: Robert Evans,
2013-05-30, 19:22
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Re: [VOTE] Plan to create release candidate for 0.23.8 - MapReduce - [mail # dev]
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...+1 On 5/17/13 4:10 PM, "Thomas Graves" wrote: ...
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Author: Robert Evans,
2013-05-20, 22:37
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Re: JVM vs container memory configs - MapReduce - [mail # dev]
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...For us we typically leave a 500MB difference between the heap and the container size. I think we can make this smaller, but we have not really tried. On 5/3/13 11:20 AM, "Karthi...
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Author: Robert Evans,
2013-05-03, 20:31
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Re: Versions - Confusion - MapReduce - [mail # dev]
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...It is kind of complex. Up until 0.20 everything was fairly regular like you would expect. In 0.20 there was a split where security was added in to a branch and started to be numb...
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Author: Robert Evans,
2013-04-26, 21:34
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Re: [VOTE] Release Apache Hadoop 2.0.4-alpha - MapReduce - [mail # dev]
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...+1 (binding) Downloaded the tar ball and ran some simple jobs. On 4/17/13 2:01 PM, "Siddharth Seth" wrote: ...
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Author: Robert Evans,
2013-04-17, 21:50
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Re: About LocalResource - MapReduce - [mail # user]
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...A jar and a the directory a jar is in are not the same things from the class paths perspective. ./* only picks up .jar files in the current directory. $PWD is the same as ./ and does n...
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Author: Robert Evans,
2013-04-01, 16:00
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Re: Help on submitting a patch for an unassigned bug - MapReduce - [mail # dev]
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...Also be aware that sometimes committers don't notice that a patch is not in patch available, so if you need a review and no one has started reviewing it, please send an e-mail to the dev lis...
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Author: Robert Evans,
2013-03-26, 13:58
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Re: [Vote] Merge branch-trunk-win to trunk - MapReduce - [mail # dev]
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...My initial question was mostly intended to understand the desired new classification of Windows after the merge, and how we plan to maintain Windows support. I am happy to hear that ha...
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Author: Robert Evans,
2013-02-28, 19:29
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Re: Large static structures in M/R heap - MapReduce - [mail # user]
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...Have you looked at things like CDB http://cr.yp.to/cdb.html that would allow you to keep most of the file on disk and cache hot parts in memory. That really depends on your access pattern. &...
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Author: Robert Evans,
2013-02-27, 18:56
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