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Re: Question on Join algorithms in PIG - Pig - [mail # dev]
...Hi, Yunming: Beside three implementation you mentioned, there is also the default join, which needs map and reduce phase.  replicated join doesn't require data sets to be sorted. You ju...
   Author: Johnny Zhang, 2013-04-18, 05:33
Re: Rank within a group - Pig - [mail # user]
...Hi, M G: for input data John    Banking 20000 Jane    Banking 35000 Chen    Real Estate     30000 Hari    Real Estate     22000 As...
   Author: Johnny Zhang, 2013-04-15, 20:58
[expand - 1 more] - Re: join operation fails on big data set - Pig - [mail # user]
...Hi, Mua: Your log has 2013-04-12 14:00:00,777 WARN org.apache.hadoop.hdfs.DFSClient: Error Recovery for block blk_-199210310173610155_28360 *bad datanode[0]** 10.6.25.33:49197* 2013-04-12 14...
   Author: Johnny Zhang, 2013-04-15, 17:48
Re: Pig Illustrate more verbose, remove Ellipsis - Pig - [mail # user]
...Hi, Dan: I guess this doesn't help you :) I don't think you can do that since ILLUSTRATE is based on sample data of your whole data set. To make the print out make sense, ILLUSTRATE also fak...
   Author: Johnny Zhang, 2013-04-09, 17:42
Re: viewfs on pig - Pig - [mail # user]
...Hi, Pig 0.11 should start supporting viewfs https://issues.apache.org/jira/browse/PIG-2791  Johnny   On Tue, Apr 2, 2013 at 6:04 PM, 李建伟  wrote:  ...
   Author: Johnny Zhang, 2013-04-03, 16:18
[PIG-2988] start deploying pigunit maven artifact part of Pig release process - Pig - [issue]
...right now the Pig project doesn't publish pigunit Maven artifact, thins like<dependency>  <groupId>org.apache.pig</groupId>  <artifactId>pigunit&l...
http://issues.apache.org/jira/browse/PIG-2988    Author: Johnny Zhang, 2013-04-02, 16:54
Re: Pig 0.10 on YARN - Pig - [mail # dev]
...Hi, cos: I met the same problem before. Can you try below in your Bigtop pig maven execution .pom ? It will actually resolve other problem as well (for example, you may see Pig cannot get ke...
   Author: Johnny Zhang, 2013-03-29, 22:25
[expand - 2 more] - Re: Commands not working properly when stored in pig file - Pig - [mail # user]
...Thanks for the explanation, Marcos!   On Thu, Mar 28, 2013 at 3:08 AM, MARCOS MEDRADO RUBINELLI  wrote:  ...
   Author: Johnny Zhang, 2013-03-28, 16:19
Re: Using Correlation and Covariance UDFs - Pig - [mail # user]
...Hi, Renato: For CORRELATION, I guess you can do something like A = load 'random.txt' using PigStorage(':') as (f1:double,f2:double,.........,f500:double); B = group A all; D = foreach B gene...
   Author: Johnny Zhang, 2013-03-27, 00:11
Re: missing error log - Pig - [mail # user]
...Hi, Will: Can you try to check below make sure the logger is property configured:  1. Edit conf/log4j.properties as follows:  log4j.logger.org.apache.hadoop.conf.Configuration=ERRO...
   Author: Johnny Zhang, 2013-03-25, 20:10
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