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Re: Diagnostic Operators inside Macros - Pig - [mail # user]
...It's not an intended feature, but it is a side effect of the way macros  are implemented.  Pig actually has a couple of parser in it.  One parses  Pig Latin, the other is...
   Author: Alan Gates, 2012-05-29, 21:30
Re: UDF FilterFunc and logical OR - Pig - [mail # user]
...It's always good to file the bug, if nothing else so people know what  land mines are out there instead of spending several days figuring out  the problem (like Johannes just had t...
   Author: Alan Gates, 2012-05-24, 17:15
Re: Is there a good benchmark to evaluate the CPU time/space tradeoff in the shuffle stage of hadoop? - Pig - [mail # dev]
...You might post this same question to mapred-user@hadoop.  I know Owen  and Arun have done a lot of analysis of these kinds of things when  optimizing the terasort.  Other...
   Author: Alan Gates, 2012-05-22, 21:26
Re: About the Pig Latin Implementation - Pig - [mail # dev]
...http://infolab.stanford.edu/~olston/publications/vldb09.pdf contains  details of how we built Pig.  This paper is old and does not include  many of the newer optimizations. &n...
   Author: Alan Gates, 2012-05-21, 15:07
Re: Does Pig guarantee output won't include duplicated rows? - Pig - [mail # user]
...Pig doesn't create duplicates (at least it shouldn't) if that's what  you're asking.  But if there are duplicates in your data it won't take  them out unless you instruct it t...
   Author: Alan Gates, 2012-05-18, 16:35
Re: Registering *.jar - Pig - [mail # user]
...See http://hortonworks.com/blog/new-features-in-apache-pig-0-10/  Alan.  On May 16, 2012, at 5:30 PM, Russell Jurney wrote:  wrote: wrote: wrote: wrote: recognize *.jar Is...
   Author: Alan Gates, 2012-05-17, 00:34
Re: How to combine muliple group by - Pig - [mail # user]
...Pig will auto-combine these for you.  In the script example you give Pig  should already be combining both group bys into a single MR job.  You  can check this by running...
   Author: Alan Gates, 2012-05-16, 00:39
[PIG-2640] Usage message gives wrong information for Pig additional jars - Pig - [issue]
...The usage statement in Main.java says:pig.additional.jars=<comma seperated list of jars>. Used in place of register command.But in PigServer.java it actually splits on ':', not ','. &n...
http://issues.apache.org/jira/browse/PIG-2640    Author: Alan Gates, 2012-05-07, 18:34
[PIG-2677] Add target to build.xml to generate clover summary reports - Pig - [issue]
...In addition to generating the detailed clover result pages, it is convenient to be able to generate a one page pdf summary.  We should add a Pig target to do this....
http://issues.apache.org/jira/browse/PIG-2677    Author: Alan Gates, 2012-05-01, 00:59
[expand - 1 more] - Re: [jira] [Resolved] (PIG-2650) Convenience mock Loader and Storer to simplify unit testing of Pig scripts - Pig - [mail # dev]
...+1 to both.  I'd actually like to drive the test target closer to the 15  minute range (eventually) but still have fairly high code coverage  numbers (I just ran it and we're ...
   Author: Alan Gates, 2012-04-27, 00:06
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