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Re: The fact that STORE needs to use quoted file names but fs does not is confusing! - Pig - [mail # user]
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...Also, 'local' is overloaded here. local doesn't mean local fs, local means local map-reduce mode (non-cluster) Ashutosh On Wed, Aug 24, 2011 at 14:31, Dmitriy Ryaboy wrote: ...
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Author: Ashutosh Chauhan,
2011-08-24, 21:37
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Re: Does the pig optimizer keep track of relations that are already sorted when doing a JOIN? - Pig - [mail # user]
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...@Andrew, You can take a look at the conditions for merge-join here: http://pig.apache.org/docs/r0.8.1/piglatin_ref1.html#Merge+Joins @Kevin, If you want to improve merge-join, way to g...
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Author: Ashutosh Chauhan,
2011-08-21, 16:59
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Re: More 'Merge join/Cogroup only supports Filter, Foreach, filter and Load as its predecessor' silliness :-( - Pig - [mail # user]
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...Try the following: data = LOAD 'test2.csv' USING PigStorage(',') AS (source:int, target:int) ; by_source = ORDER data BY source; by_target = FOREACH (ORDER data BY target) GENERA...
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Author: Ashutosh Chauhan,
2011-08-21, 16:51
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Re: Does the pig optimizer keep track of relations that are already sorted when doing a JOIN? - Pig - [mail # user]
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...Hey Kevin, No, Pig currently doesn't auto-detect that data is getting sorted in previous steps of script. So, you need to tell it by 'using merge'. Hope it helps, Ashutosh ...
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Author: Ashutosh Chauhan,
2011-08-20, 06:12
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Re: Merge join - Pig - [mail # user]
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...If you control the generation of data which needs to be joined, then you can store it with Zebra and then do the joins. If not, then you either need to rewrite the data using Zebra or need t...
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Author: Ashutosh Chauhan,
2011-07-20, 21:21
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Re: Merge join - Pig - [mail # user]
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...It depends on whether you want to do inner or outer (also called co-group) merge join. If you are doing inner merge join on two tables PigStorage satisfies all the criteria and can be used. ...
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Author: Ashutosh Chauhan,
2011-07-20, 20:15
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Re: Merge join - Pig - [mail # user]
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...Hey Ankur, Zebra's TableLoader works with the data written out using Zebra's TableStorer. So, you need to write the data first using Zebra and then subsequently load using TableLoader ...
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Author: Ashutosh Chauhan,
2011-07-20, 17:22
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Re: How to make pig works with hadoop-0.20-append - Pig - [mail # user]
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...This looks something that needs to be fixed in bin/pig. Jameson, feel free to raise jira for it. Ashutosh On Tue, Jul 5, 2011 at 19:12, Jameson Li wrote:...
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Author: Ashutosh Chauhan,
2011-07-06, 05:40
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Re: Welcome to Aniket Mokashi - Pig - [mail # dev]
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...Congratulations, Aniket! Hoping to see many more contributions in Pig from you. Ashutosh On Thu, May 19, 2011 at 10:08, Alan Gates wrote: helped e rd to...
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Author: Ashutosh Chauhan,
2011-05-19, 17:19
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Re: Squid Log Loader - Pig - [mail # dev]
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...Hey Julian, That will certainly be useful. Piggybank is meant for users collaborating for tools/extensions around Pig. I am quite sure others will find Squid Proxy Log parsing in...
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Author: Ashutosh Chauhan,
2011-05-15, 18:00
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