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Message from discussion batch processing over entire sharded collection in the multiple millions of documents
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Mike O'Brien  
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 More options Aug 28 2012, 3:35 pm
From: Mike O'Brien <mi...@10gen.com>
Date: Tue, 28 Aug 2012 12:35:02 -0700 (PDT)
Local: Tues, Aug 28 2012 3:35 pm
Subject: Re: batch processing over entire sharded collection in the multiple millions of documents
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Hi Jesse,
The mongo-hadoop adapter has a stable 1.0 release and works well, are there
specific features you need in it for this use case?
If you have a sharded system, native mongo mapreduce also runs on each
shard to take advantage of the extra processing power available. You should
benchmark these options to get an idea of what works best for your
situation.

On Tuesday, August 28, 2012 12:14:51 PM UTC-4, Jesse Sanford wrote:

> It would seem to me that it would be smart to use hadoop to do this.
> However the mongo-hadoop adapter is too young. How are people doing this
> type of processing? doing this using the mongo js map-reduce system single
> threaded is not scalable. Should I dump the collection to disk move it to
> hdfs/load it in hive manually. This seems so archaic given all the support
> many rdbms systems have for doing this type of thing automatically with
> projects like sqoop.

> Suggestions?


 
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