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Unhandled internal error. Java heap space when using EXPLAIN in pig - Pig - [mail # user]
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...When I try to use the following statement explain -brief A; I got the following error 2013-02-06 19:18:34,250 [Low Memory Detector] INFO org.apache.pig.impl.util.SpillableMemor...
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Author: Danfeng Li,
2013-02-07, 22:42
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self cross doesn't work as expected - Pig - [mail # user]
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...If I self cross a relation, I got the original relation, which is not expected. The input: A.txt 1 2 3 The code: A = load 'A.txt' as (id:chararray); B = cross A, A; dump B; (1) (...
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Author: Danfeng Li,
2012-12-29, 01:44
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RE: pig ship tar files - Pig - [mail # user]
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...Thanks, but I'm still not quite clear on how to do it. "...One way to work around this limitation is to tar all the dependencies into a tar file that accurately reflects the structure ...
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Author: Danfeng Li,
2012-12-20, 20:00
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pig ship tar files - Pig - [mail # user]
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...I read alot of about pig can ship a tar file and untar it before execution. However, I couldn't find any example. Can someone provide an example? What I would like to do is to ship a p...
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Author: Danfeng Li,
2012-12-20, 18:01
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RE: REPLACE with backslash - Pig - [mail # user]
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...You mean instead of REPLACE(name,'dir','\\\\\\\\test\\\\sub'); Using REPLACE(name,'dir','[\\]test[\]sub'); ? It seems not working for me. Thanks. Dan From: Віта...
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Author: Danfeng Li,
2012-09-08, 20:44
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REPLACE with backslash - Pig - [mail # user]
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...Hi, I'm little bit puzzled about REPLACE when there is backslash involved. I want to replace all the "dir" in the string with "\\test\sub", After a lot of try and error, I ...
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Author: Danfeng Li,
2012-09-07, 21:06
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RE: runtime exception when load and store multiple files using avro in pig - Pig - [mail # user]
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...Hi, Cheolsoo, If we can allow string as index, then it should be backward compatible and also give us ability to separate schema without the need to track them. Thanks. Dan...
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Author: Danfeng Li,
2012-08-22, 05:43
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RE: runtime exception when load and store multiple files using avro in pig - Pig - [mail # user]
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...Thanks, Cheolsoo. That solve my problems. It will be nice if pig can do this automatically when there are multiple av rostorage in the code. Otherwise, we have to manually track the n...
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Author: Danfeng Li,
2012-08-22, 00:47
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runtime exception when load and store multiple files using avro in pig - Pig - [mail # user]
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...I run into this strange problem when try to load multiple text formatted fi les and convert them into avro format using pig. However, if I read and con vert one file at a time in separated r...
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Author: Danfeng Li,
2012-08-21, 23:38
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RE: how to get input schema in UDF - Pig - [mail # user]
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...Ok, I found the solution Replace Schema tupleSchema = new Schema(input.getFields()); With Schema tupleSchema = new Schema(input.getField(0).schema.getField(0).sche ma.getFi...
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Author: Danfeng Li,
2012-08-14, 01:08
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