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Re: CDH3 fail python udf - Pig - [mail # user]
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...Hi Shawn, Every time we throw an Exception with 'could not instantiate ..' error message, we also pass down the real exception instance, this might be able to point to the reason why w...
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Author: Aniket Mokashi,
2011-04-01, 20:24
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Re: Custom Storage Functions - MultiStorage - Pig - [mail # user]
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...In my opinion, MultiStorage should work just fine if you have less number of buckets (0-100+, not sure about the limit, but definitely not 512) even if you have large number of records in on...
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Author: Aniket Mokashi,
2011-03-31, 23:02
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Re: CDH3 fail python udf - Pig - [mail # user]
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...I think this might be because when you start in hadoop mode, your classpath configuration does not have jython.jar. Can you put that explicitly in classpath and check it out? Thanks, A...
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Author: Aniket Mokashi,
2011-03-31, 22:38
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Re: UDF problem: Java Heap space - Pig - [mail # user]
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...Thanks everyone for helping me out, I figured it was one of those logical errors which lead to infinite loops. Actually indexof operation doesnt always return -1 on failure which was causing...
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Author: Aniket Mokashi,
2011-02-25, 01:26
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Re: UDF problem: Java Heap space - Pig - [mail # user]
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...This is a map side udf. pig script loads a log file and grabs contents inside angle brackets. a = load; b = foreach a generate F(a); dump b; I see following on tasktrackers- 2011-02-23...
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Author: Aniket Mokashi,
2011-02-25, 00:47
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Re: UDF problem: Java Heap space - Pig - [mail # user]
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...Hi Jai, Thanks for your email. I suspect that its the Strings in tight loop reason as you have suggested. I have a loop in my udf that does the following. while((startInd = someL...
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Author: Aniket Mokashi,
2011-02-24, 23:49
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UDF problem: Java Heap space - Pig - [mail # user]
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...I ve written a simple UDF that parses a chararray (which looks like ...[a].....[b]...[a]...) to capture stuff inside brackets and return them as String a=2;b=1; and so on. The input chararra...
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Author: Aniket Mokashi,
2011-02-24, 03:49
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FLATTEN custom bags - Pig - [mail # user]
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...Hi, I have a custom loader that creates and returns a tuple of id, bags. I want to open these bags and get their contents. For example- data = load 'loc' using myLoader() as (id, bag1,...
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Author: Aniket Mokashi,
2011-02-17, 00:58
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Re: Using a UDF written in Python - Pig - [mail # user]
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...I think decorator used here is incorrect. In general, "output:chararray" needs to be schema-string-compatible. Also, you are using "outputSchemaFunction", which is used in case you want to w...
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Author: Aniket Mokashi,
2010-12-28, 02:33
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Re: Using alias results in future calculations? - Pig - [mail # user]
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...In pig 0.8, you can say, P = foreach G generate G.$0 * C.$0, G.$1; Other methods are discussed here- https://issues.apache.org/jira/browse/PIG-1434 Thanks, Aniket On Wed, O...
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Author: Aniket Mokashi,
2010-10-20, 19:55
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