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Re: number of reducers - Pig - [mail # user]
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...What version of Pig are you running, and if it's not the trunk can you try with the trunk? There have been a number of improvements to how we get total input size when estimating reduc...
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Author: Bill Graham,
2012-06-01, 16:55
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Re: Re: why pig did not compile contrib directory during "ant jar"? How to compile contrib directory? - Pig - [mail # user]
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...The contrib directories are where the source of the various contribs live. You only need to compile them if you plan to use a given contrib. Piggybank is a collection of useful UDFs: h...
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Author: Bill Graham,
2012-05-23, 05:11
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Re: Is there a good benchmark to evaluate the CPU time/space tradeoff in the shuffle stage of hadoop? - Pig - [mail # dev]
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...True, to capture the network effect you'll need to run MR on a cluster. On Tue, May 22, 2012 at 8:57 PM, Jonathan Coveney wrote: *Note that I'm no longer using my Yahoo! ...
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Author: Bill Graham,
2012-05-23, 05:03
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Re: why pig did not compile contrib directory during "ant jar"? How to compile contrib directory? - Pig - [mail # user]
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...You need to cd into the contrib root dir and build from there. Contribs have their own build.xml. On Tuesday, May 22, 2012, lulynn_2008 wrote: Sent from Gmail Mobile...
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Author: Bill Graham,
2012-05-23, 03:35
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Re: Is there a good benchmark to evaluate the CPU time/space tradeoff in the shuffle stage of hadoop? - Pig - [mail # dev]
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...You could also try using a microbech framework to test out various compression techniques in isolation. On Tuesday, May 22, 2012, Jonathan Coveney wrote: Sent from Gmail M...
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Author: Bill Graham,
2012-05-23, 03:35
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[PIG-2693] LoadFunc.setLocation should be called before LoadMetadata.getStatistics - Pig - [issue]
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...We ran into a bug with Pig/HCatalog integration on the trunk. The issue is that JobControlCompiler calls the adjustNumReducers method just before it calls setLocation on all of the LoadFuncs...
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http://issues.apache.org/jira/browse/PIG-2693
Author: Bill Graham,
2012-05-18, 21:21
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Re: User survey: Where are all the UDFs and Macros? - Pig - [mail # user]
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...DataFu: https://github.com/linkedin/datafu On Tue, May 15, 2012 at 6:35 PM, Russell Jurney wrote: *Note that I'm no longer using my Yahoo! email address. Please em...
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Author: Bill Graham,
2012-05-16, 04:32
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Re: How to combine muliple group by - Pig - [mail # user]
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...You can combine multiple relations using the UNION operator. If you're trying to combine logic, you can use a macro to do e2-e5 below that takes (e1, empid) or (e1, group). See the example h...
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Author: Bill Graham,
2012-05-15, 15:00
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[PIG-2701] Pig-Guice integration - Pig - [issue]
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...As Pig becomes more customizable (PPNLs, ReducerEstimators, Optimizers?), the current approach of loading custom classes via class params and reflection can become clunky. This is especially...
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http://issues.apache.org/jira/browse/PIG-2701
Author: Bill Graham,
2012-05-14, 23:07
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[PIG-2547] Easier UDFs: Convenient EvalFunc super-classes - Pig - [issue]
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...We've got a few abstract extensions of EvalFunc that make life easier. If people are interested we can push said classes into Pig.There are 3 classes, each extending the next. Class naming i...
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http://issues.apache.org/jira/browse/PIG-2547
Author: Bill Graham,
2012-05-12, 01:46
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