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Re: Cumulative totals in an ORDERed relation. - Pig - [mail # user]
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...Well for the step you're describing (which I need to do as a preliminary step to accumulating the hours), I just do something in the vein of NewRel = GROUP OldRel BY timestamp/3600; Ho...
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Author: Kris Coward,
2010-12-19, 22:49
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Re: Cumulative totals in an ORDERed relation. - Pig - [mail # user]
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...Right, that's a good point, it is a non-parallelizable process. I probably should just dump it through a script, since even an entire century of data would be <1M hours and not really nee...
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Author: Kris Coward,
2010-12-19, 22:42
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Cumulative totals in an ORDERed relation. - Pig - [mail # user]
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...Hello, Is there some sort of mechanism by which I could cause a value to accumulate within a relation? What I'd like to do is something along the lines of having a long called accumula...
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Author: Kris Coward,
2010-12-17, 19:31
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Re: /tmp full, my google-fu weak - Pig - [mail # user]
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...Replace /tmp with a symlink into the disk you're trying to use? -Kris On Thu, Dec 16, 2010 at 10:27:19PM +0100, David Vrensk wrote: Kris Coward http://unripe.melon.org/...
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Author: Kris Coward,
2010-12-16, 21:41
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Re: should the following query work? - Pig - [mail # user]
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...Dare I ask why such a query would be used? AFAICT the second group operation would just stick each record in a bag and create an extra copy of group on the outside of the bag (but use up a l...
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Author: Kris Coward,
2010-12-09, 23:49
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illustrate fails after join - Pig - [mail # user]
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...Hi again, Now I'm having a problem where, after JOINing 2 relations, I can't get an ILLUSTRATE to work on the resulting relation (though a DUMP is working just fine). The error produce...
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Author: Kris Coward,
2010-12-09, 00:13
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Re: IOException appearing during dump but not illustrate - Pig - [mail # user]
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...That looks to have worked. Thanks. On Wed, Dec 08, 2010 at 02:04:07PM -0800, Dmitriy Ryaboy wrote: Kris Coward http://unripe.melon.org/ GPG Fingerprint: 2BF3 957D 310A FEEC 4...
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Author: Kris Coward,
2010-12-08, 23:19
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IOException appearing during dump but not illustrate - Pig - [mail # user]
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...Hi, I've recently gotten stumped by a problem where my attempts to dump the relations produced by a GROUP command give the following error (though illustrating the same relation works ...
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Author: Kris Coward,
2010-12-08, 21:53
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Difficulty extending EvalFunc - Pig - [mail # user]
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...Hi, I'm trying to write a UDF to take a bag of http get arguments (e.g. {(s=556477989), (ts=1265964662)} ) and turn them into a map (e.g. [s#556477989, ts#1265964662] ), and have writt...
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Author: Kris Coward,
2010-11-26, 18:27
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