I'm trying to understand the boundaries of hadoop and map/reduce and it would help to know a non-trivial problem, or class of problems, that we know map/reduce can't assist in. It certainly would ...

My hive query has multiple outer joins and takes very long to execute. I was wondering if it would make sense to break it into multiple smaller queries and use pig to work the transformations. Is...

Can someone explain how MapReduce works with Cassandra .6? I've read through the word count example, but I don't quite follow what's happening on the Cassandra end vs. the "client" end. https://sv...

Using apache pig and the text hahahah. my brother just didnt do anything wrong. He cheated on a test? no way! I'm trying to match "my brother just didnt do anything wrong." Ideally, I'd want to...

Assume I have the following input in Pig: some And I would like to convert that into: s so som some I've not (yet) found a way to iterate over a chararray in pig latin. I have found the TOKEN...

I have a User Defined Function (UDF) written in Java to parse lines in a log file and return information back to pig, so it can do all the processing. It looks something like this: public abstrac...

So I wrote a Python program to handle a little data processing task. Here's a very brief specification in a made-up language of the computation I want: parse "%s %lf %s" aa bb cc | group_by aa | ...