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[PIG-3740] Document direct fetch optimization - Pig - [issue]
...We should document PIG-3642 in the performance and efficiency section of Pig manual....
http://issues.apache.org/jira/browse/PIG-3740    Author: Cheolsoo Park, 2014-02-19, 18:27
Re: Trouble with Pig + JsonStorage not supporting heavily nested structures - Pig - [mail # user]
...Hi,Honestly, I don't think JsonStorage in Pig will be improved in the future.More companies are adapting Parquet and ORC FFs, so I see more actionscoming on that front. So you're probably be...
   Author: Cheolsoo Park, 2014-02-19, 18:15
Re: Accumulator interface for Jython - Pig - [mail # user]
...Hi,I think you can take a look at how it's implemented for Jruby-https://github.com/apache/pig/tree/trunk/src/org/apache/pig/scripting/jrubyThanks,CheolsooOn Tue, Feb 18, 2014 at 6:16 PM, Ya...
   Author: Cheolsoo Park, 2014-02-19, 18:03
[PIG-3648] Make the sample size for RandomSampleLoader configurable - Pig - [issue]
...Pig uses RandomSampleLoader for range partitioning in order-by. But since the sample size is hardcoded as 100, volatility in the variance of the results  increases when sorting a large ...
http://issues.apache.org/jira/browse/PIG-3648    Author: Cheolsoo Park, 2014-02-18, 21:09
[PIG-3657] New partition filter extractor fails with NPE - Pig - [issue]
...To reproduce the issue, try a filter expression as follows-b = FILTER a BY partition_column < x OR (partition_column == y AND non-partition_column == z); Pig fails with NPE, and the stack...
http://issues.apache.org/jira/browse/PIG-3657    Author: Cheolsoo Park, 2014-02-18, 19:58
[PIG-3768] TezCompiler.visitUnion() doesn't add compiled TezOp to phyToTezOpMap - Pig - [issue]
...When a union alias is referred by another operator such as FRJoin, it causes NPE. Here is an example-Caused by: java.lang.NullPointerException    at org.apache.pig.backend.had...
http://issues.apache.org/jira/browse/PIG-3768    Author: Cheolsoo Park, 2014-02-18, 19:31
[expand - 2 more] - Re: Review Request 18203: [PIG-3767] Work with TEZ-668 which allows starting and closing of inputs and outputs - Pig - [mail # dev]
...Talked to Rohini offline. I will temporarily rebase my Pig repo until Tez resolves TEZ-787.- CheolsooThis is an automatically generated e-mail. To reply, visit:https://reviews.apache.org/r/1...
   Author: Cheolsoo Park, 2014-02-18, 19:30
[PIG-3746] NPE is thrown if Pig fails before PigStats is intialized - Pig - [issue]
...This is a regression of PIG-3525 where I moved the initialization of PigStats into the PigServer constructor. The problem is that if Pig fails even before PigServer is created, PigStats rema...
http://issues.apache.org/jira/browse/PIG-3746    Author: Cheolsoo Park, 2014-02-18, 19:28
[PIG-3747] Update skewed join documentation - Pig - [issue]
...While working on Tez skewed join, I found two problems with the skewed join documentation- The following is misleading because skewed join also works with left, right, and full outer joins.S...
http://issues.apache.org/jira/browse/PIG-3747    Author: Cheolsoo Park, 2014-02-18, 19:26
Re: Can pig-0.12.0 work with jdk7? Both compile and unit test. - Pig - [mail # user]
...Yes, it should work. I am using 0.11 (+ extra patches) with jdk7 inproduction.On Tue, Feb 18, 2014 at 3:19 AM, lulynn_2008  wrote: ...
   Author: Cheolsoo Park, 2014-02-18, 11:27
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