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Re: Lookup in a dataset - Pig - [mail # user]
...You’ll want to use COGROUP.  Something like  x = COGROUP input1 by col3, input2 by col4;  needed = FILTER x by IsEmpty(input2);   Thanks,  Aaron Zimmerman Platform E...
   Author: Aaron Zimmerman, 2013-11-14, 12:07
Re: Writing to HBase - Pig - [mail # user]
...From your dump results it looks like the only value on the relation is a tuple. So it is trying to use that tuple as the row key and there are no other fields to use as columns.   On Ma...
   Author: Aaron Zimmerman, 2013-03-11, 12:19
Re: Simplifying schema? - Pig - [mail # user]
...You still can reference the columns by their name (column1, column2), the only time you'd need to use the fully qualified name is if you have duplicated column names.  In this case, the...
   Author: Aaron Zimmerman, 2012-12-10, 13:52
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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