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... ETL world, partitioning data is about how it is moving, and incidently it can be stored that way also. This latter is very close to the way MapReduce folks talk about data even though I don't think ETL folks and ... ETL processing engine, and we tried to extend it in all kinds of stretch directions. MapReduce advocates would look at these same problems and recognize the maps and reduces that are ...
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... by "Paulie P" on my previous post about MapReduce and Hadoop. Specifically, Paulie P pointed me at the ... s how it works.
The main objective of Sawzall, Hadoop and MapReduce, etc., is to reduce the elapsed time R(1) by throwing ... regarding MR performance, which might be of interest, viz., a UCB paper: "MapReduce Online" along with more details at an Author blog, and commentaries ...
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I was recently surprised to find that MySpace had open sourced a distributed “MapReduce Framework” called Qizmt ( From the site’s description:
MySpace Qizmt is a mapreduce framework for both developing and executing distributed computing applications on large clusters of Windows servers.
This has been a topic ...
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... ;ve submitted is viable, we will ask you to build it as a separate job. More details ...
Work Load: Full-time - 30+ hrs/week
Estimated Duration: Less than 1 week
Starting On: November 9, 2009
Posted On: November 9, 2009
ID: 5033906
Category: Software Development > Other - Software Development
Skills: Hadoop Mapreduce Python Java AWS
Country: Australia
Hours Billed: 14
click to apply
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If you use MapReduce for any real-world application, chances are your workflow consists of more than one MapReduce job. Rapleaf has workflows consisting of over one hundred jobs. A lot of times, you need to make configurations to the workflow that should apply to every job. For example, you may want each job to run in the same fair scheduler pool or use a certain number of reducers.
One way to do ...
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... : 28.455 seconds
hive>
All of that is Hive translating our sql-like query into MapReduce jobs that are then farmed out to our cluster. Since we're using a single, small instance, and since ... didn't have this kind of output is that Hive is smart enough to figure out that no MapReduce trickery is necessary for this request - it can just read a few lines from the file to satisfy the query.
...
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