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Re: Combiner with COGROUP - Pig - [mail # dev]
...+ Pig-DevIs there any plan to add the combiner support for cogroup in near future?It will be a really useful feature to have.On Wed, Apr 16, 2014 at 9:15 PM, Cheolsoo Park  wrote:Regard...
   Author: Abhishek Agarwal, 2014-04-16, 15:52
Re: Writing groovy UDFs - Pig - [mail # user]
...Thanks Cheolsoo, that worked well.Is there any sample on how to do exception handling and logging in groovyUDFs, so that pig can know about exceptions.On Tue, Apr 15, 2014 at 11:58 PM, Cheol...
   Author: Chandramohan, 2014-04-16, 14:19
Re: Re: java.lang.OutOfMemoryError related with number of reducer? - Pig - [mail # user]
...Found the root reason.It is because of the nested distinct operation relies on the RAM to calculate unique values.As described here: http://stackoverflow.com/questions/10732456/how-to-optimi...
   Author: "leiwangouc@..., 2014-04-16, 09:49
[PIG-3299] Provide support for LazyOutputFormat to avoid creating empty files - Pig - [issue]
...LazyOutputFormat (HADOOP-4927) in hadoop is a wrapper to avoid creating part files if there is no records output. It would be good to add support for that by having a configuration in pig wh...
http://issues.apache.org/jira/browse/PIG-3299    Author: Rohini Palaniswamy, 2014-04-16, 00:49
[PIG-3480] TFile-based tmpfile compression crashes in some cases - Pig - [issue]
...When pig tmpfile compression is on, some jobs fail inside core hadoop internals.Suspect TFile is the problem, because an experiment in replacing TFile with SequenceFile succeeded....
http://issues.apache.org/jira/browse/PIG-3480    Author: Dmitriy V. Ryaboy, 2014-04-15, 21:45
[PIG-3774] Piggybank Over UDF get wrong result - Pig - [issue]
http://issues.apache.org/jira/browse/PIG-3774    Author: Daniel Dai, 2014-04-15, 21:45
[PIG-3552] UriUtil used by reducer estimator should support viewfs - Pig - [issue]
...On Hadoop2 running viewfs throws error 2013-10-30 02:12:46,916 [main] INFO  org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.JobControlCompiler - Using reducer estimator: or...
http://issues.apache.org/jira/browse/PIG-3552    Author: Akihiro Matsukawa, 2014-04-15, 21:45
[PIG-3549] Print hadoop jobids for failed, killed job - Pig - [issue]
...It would be better if we dump the hadoop job ids for failed, killed jobs in pig log. Right now, log looks like following-ERROR org.apache.pig.tools.grunt.Grunt: ERROR 6017: Job failed! Error...
http://issues.apache.org/jira/browse/PIG-3549    Author: Aniket Mokashi, 2014-04-15, 21:45
[PIG-3576] NPE due to PIG-3549 when job never gets submitted - Pig - [issue]
...NPE can happen if job never gets submitted due to errors like - input path does not exists. Following line (toString method) throws npe-msg.append("JobID: " + j.getAssignedJobID().toString()...
http://issues.apache.org/jira/browse/PIG-3576    Author: Aniket Mokashi, 2014-04-15, 21:45
[PIG-3753] LOGenerate generates null schema - Pig - [issue]
...In PIG-3627, we discover flatten(STRSPLIT) generate null schema. Here is the sample:a = load 'a' as (line:chararray);b = foreach a generate flatten(STRSPLIT(line)) as (i0, i1, i2);describe b...
http://issues.apache.org/jira/browse/PIG-3753    Author: Daniel Dai, 2014-04-15, 21:45
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