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need help about pig script on this case - Pig - [mail # user]
...Hi,  I am trying to do some tasks with 'if else' inside the pig script, specifically, if the folder exists, we do some statements and join the data into some table, otherwise, just igno...
   Author: Sheng Guo, 2012-11-20, 00:35
how can I delete a file in pig only after checking if the file exists? - Pig - [mail # user]
...Hi all,  Sorry to bother you guys, I used rm FILE_PATH to delete the file in pig script, but sometimes if the file does not exist, or I am not sure if it exists, this statement will giv...
   Author: Sheng Guo, 2012-07-23, 09:12
[expand - 3 more] - Re: What is the best way to do counting in pig? - Pig - [mail # user]
...the pig script:  longDesc = load '/user/xx/filtered_chunk' USING AvroStorage();  grpall = group longDesc all; cnt = foreach grpall generate COUNT(longDesc) as allNumber; explain cn...
   Author: Sheng Guo, 2012-07-09, 22:54
[expand - 2 more] - Re: How can I set the mapper number for pig script? - Pig - [mail # user]
...Thanks for all your help.  My pig script may have some cpu-intensive job like nlp processing, so it would be helpful if I have multiple mappers running. Correct me if I am wrong. Thanks...
   Author: Sheng Guo, 2012-06-23, 20:48
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NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB