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Re: Pig write to single file - Pig - [mail # user]
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...What I'm doing is at the end of each day I deduce and store all my log files in lzo format in an archive directory. I thought that since LZO is splittable and Hadoop likes larger files that ...
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Author: Mark,
2013-05-01, 17:21
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Pig write to single file - Pig - [mail # user]
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...Thought I understood how to output to a single file but It doesn't seem to be working. Anything I'm missing here? rows = LOAD '$input'; unique = DISTINCT rows PARELLEL 1;...
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Author: Mark,
2013-05-01, 16:51
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Sorting/Partitioning of Pig output - Pig - [mail # user]
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...I understand in the traditional map/reduce paradigm that each key will get sent to the same reducer sorted but in pig there is no such thing as a "key". I'm curious to know how pig kno...
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Author: Mark,
2013-03-27, 18:46
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General Pig store questions - Pig - [mail # user]
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...In map/reduce all values for 1 key are guaranteed to go to the same reducer. Is there something analogous to this in Pig? If so, what determines the key when I output a bunch of tuples? &nbs...
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Author: Mark,
2013-03-22, 19:39
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Re: Please help with grouped count - Pig - [mail # user]
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...Not entirely following you on the Order UDF.. doesn one exist or are you proposing I create this myself? Thanks. On 5/11/12 10:49 AM, Jonathan Coveney wrote:...
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Author: Mark,
2012-05-11, 18:05
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Re: Please help with grouped count - Pig - [mail # user]
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...Also, using your example, how could I limit the number of terms per country? On 5/11/12 9:47 AM, Mark wrote:...
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Author: Mark,
2012-05-11, 16:48
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Re: Please help with grouped count - Pig - [mail # user]
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...Thank you so much, that's pretty much what I was going for but with a slightly different output. Just to be clear... are these equivalent? b = foreach (group a by (country,...
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Author: Mark,
2012-05-11, 16:47
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Please help with grouped count - Pig - [mail # user]
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...We have logs in the following format us, foo us, foo fr, fizz us, bar fr, baz fr, fizz us, foo fr, fizz Where the first column is a country and the second column is a search term...
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Author: Mark,
2012-05-11, 00:23
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Replacing values - Pig - [mail # user]
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...I have some tuples and I would like to be able to transform the first row using the REGEX_EXTRACT method but leave all the other rows untouched. Now I can easily do this with kno...
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Author: Mark,
2011-08-10, 05:25
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Select x amount of input paths/files - Pig - [mail # user]
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...We have our data in folders partitioned by day: ie /user/pig/logs/2011/06/30 Is there any way to select the last x amount of days to use as input? Thanks...
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Author: Mark,
2011-07-01, 05:06
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