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streaming fails to pack 2 -file ? - Pig - [mail # user]
...when I upload 2 files like  -file myfile1 -file myfile2  only the first one is actually uploaded.  but according to http://hadoop.apache.org/common/docs/r0.17.1/streaming.html...
   Author: Yang, 2012-07-02, 18:30
[expand - 2 more] - Re: suggestion - Pig - [mail # user]
...perfect, thanks  On Fri, Jun 29, 2012 at 10:11 AM, Jie Li  wrote:  ...
   Author: Yang, 2012-06-29, 17:29
nested Tuple(Tuple) - Pig - [mail # user]
...it seems that (at least with 0.10.0 ) I can generate a nested tuple inside a bag.  but if I want to insert a tuple directly under a tuple, they seem to merge together into one level dir...
   Author: Yang, 2012-06-28, 20:04
PigStorage problem for nested structures? - Pig - [mail # user]
...if I have a field that contains ",", and I add it to a tuple,  then  then tuple becomes part of a row  in a relation.  I STORE the relation using PigStorage. so each row ...
   Author: Yang, 2012-06-28, 19:48
[expand - 1 more] - Re: can't verify an output bag with pigUnit? - Pig - [mail # user]
...nice I'll try to contribute something  On Wed, Jun 27, 2012 at 1:31 PM, Daniel Dai  wrote:  ...
   Author: Yang, 2012-06-27, 23:23
classloader priority? - Pig - [mail # user]
...if I run hadoop jar myjar.jar  and myjar.jar contains some hadoop classes, where would these hadoop classes be loaded from ? the system hadoop installation or from myjar.jar ?   Th...
   Author: Yang, 2012-06-25, 21:18
how to know which part of the explain plan my MR job is running? - Pig - [mail # user]
...now my pig script is stuck at one of the MR jobs, in reduce stage, it stayed in reducing state for 30minutes without much progress.  now, to debug this, how could I determine which part...
   Author: Yang, 2012-06-24, 11:13
pigUnit forces fixed order? - Pig - [mail # user]
...if my pig script STOREs a relation, the order of rows in the relation is normally not important.  but when I use pigUnit to test, the actual test on the STORE'ed variable is a simple st...
   Author: Yang, 2012-06-24, 06:49
[expand - 1 more] - Re: small problem with pigUnit - Pig - [mail # user]
...the issue is that if you have the "dump" line,  the udf "myUDF(x)" fails to get the parameter : as I debug into the udf, the parameter tuple.get(0) gives NULL   Yang  On Sat, ...
   Author: Yang, 2012-06-24, 05:51
Re: How can I set the mapper number for pig script? - Pig - [mail # user]
...hi Sheng:  I had exactly the same problem as you did.  right now with hadoop 0.20 and above you can't do it anymore, because the new mapreduce.lib.input.FileInputFormat disabled th...
   Author: Yang, 2012-06-23, 21:58
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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