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Re: error with FLATTEN and nested generate - Pig - [mail # user]
...Try replacing MIN(xx.x); with MIN(xx::x);  The xx.x syntax returns a scalar IF the xx relationship only has one tuple. If it doesn't it fails. The xx::x syntax refers to the x values in...
   Author: Bill Graham, 2012-06-21, 04:09
[expand - 1 more] - Re: Persisting Pig Scripts - Pig - [mail # dev]
...That's expected. It's a cap on the size of how much of the script can be stored. I'm not sure what the exact size limit is though, but if it's causing issues I'm sure we could make it a conf...
   Author: Bill Graham, 2012-06-11, 22:01
Re: number of reducers - Pig - [mail # user]
...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...
   Author: Bill Graham, 2012-06-01, 16:55
[expand - 1 more] - Re: Re: why pig did not compile contrib directory during "ant jar"? How to compile contrib directory? - Pig - [mail # user]
...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...
   Author: Bill Graham, 2012-05-23, 05:11
[expand - 1 more] - Re: Is there a good benchmark to evaluate the CPU time/space tradeoff in the shuffle stage of hadoop? - Pig - [mail # dev]
...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! ...
   Author: Bill Graham, 2012-05-23, 05:03
[PIG-2693] LoadFunc.setLocation should be called before LoadMetadata.getStatistics - Pig - [issue]
...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...
http://issues.apache.org/jira/browse/PIG-2693    Author: Bill Graham, 2012-05-18, 21:21
Re: User survey: Where are all the UDFs and Macros? - Pig - [mail # user]
...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...
   Author: Bill Graham, 2012-05-16, 04:32
Re: How to combine muliple group by - Pig - [mail # user]
...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...
   Author: Bill Graham, 2012-05-15, 15:00
[PIG-2701] Pig-Guice integration - Pig - [issue]
...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...
http://issues.apache.org/jira/browse/PIG-2701    Author: Bill Graham, 2012-05-14, 23:07
[PIG-2547] Easier UDFs: Convenient EvalFunc super-classes - Pig - [issue]
...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...
http://issues.apache.org/jira/browse/PIG-2547    Author: Bill Graham, 2012-05-12, 01:46
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