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Re: number of M/R jobs for a Pig Script - Pig - [mail # user]
...Pig handles doing multiple group bys on the same input, often in a single MR job.  So:  A = load 'file'; B = group A by $0; C = foreach B generate group, COUNT(A); store C into 'ou...
   Author: Alan Gates, 2013-10-15, 20:50
Re: [VOTE] Release Pig 0.12.0 (candidate 2) - Pig - [mail # dev]
...+1.  Downloaded, ran commit-test, piggybank unit tests, tutorial, and simple local mode smoke tests.  Looked over the CHANGES, README, RELEASE_NOTES files to make sure they looked ...
   Author: Alan Gates, 2013-10-07, 23:17
Re: Accessig paritcular folder - Pig - [mail # user]
...For any Pig loader that reads files from HDFS, filenames are passed directly to HDFS.  This means HDFS style globs are supported, which means the answer to your question depends on the ...
   Author: Alan Gates, 2013-10-04, 18:29
Re: [Discussion] Any thoughts on PIG-3457? - Pig - [mail # dev]
...We should separate out two separate concerns.  If I understand correctly we don't need any of these changes in 0.12.  So we should revert these patches from the 12 branch so that w...
   Author: Alan Gates, 2013-09-30, 20:28
[PIG-2247] Pig parser does not detect multiple arguments with the same name passed to macro - Pig - [issue]
...Pig accepts a macro likedefine simple_macro(in_relation, min_gpa, min_gpa) returns c {                          b = filt...
http://issues.apache.org/jira/browse/PIG-2247    Author: Alan Gates, 2013-09-25, 19:42
Re: Which file translates the program into a map reduce plan - Pig - [mail # dev]
...Checkout src/org/apache/pig/backend/hadoop/executionengine/mapReduceLayer/MRCompiler.java  Alan.  On Sep 19, 2013, at 3:54 PM, Abdollahian Noghabi, Shadi wrote:    CONFID...
   Author: Alan Gates, 2013-09-20, 03:33
Re: piglipstick - Pig - [mail # user]
...On the Hive side, the Netflix team recently told me they are working on "honey", an equivalent thing for Hive.  I believe a prototype is in their github.  Alan.  On Sep 5, 201...
   Author: Alan Gates, 2013-09-06, 16:48
Re: Propose UDF - Pig - [mail # dev]
...A few questions:  1) Why did you try to use RANK?  I don't see how rank is part of this. 2) The semantics here aren't clear to me.  record_id appears to be crossed with name a...
   Author: Alan Gates, 2013-09-04, 16:05
Re: Slow Group By operator - Pig - [mail # dev]
...When data comes out of a map task, Hadoop serializes it so that it can know its exact size as it writes it into the output buffer.  To run it through the combiner it needs to deserializ...
   Author: Alan Gates, 2013-08-22, 15:38
Re: Grunt Shell hangs on Cygwin. - Pig - [mail # user]
...Yes, no cygwin tools are required.  You will need the hadoop version from branch-1-win as well as pig trunk to make this work.  Alan.  On Aug 5, 2013, at 10:03 PM, Darpan R wr...
   Author: Alan Gates, 2013-08-08, 17:33
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