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JavaRanch » Java Forums » Databases » Hadoop
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Usage of Hadoop

Sumit Bisht
Ranch Hand

Joined: Jul 02, 2008
Posts: 329

I am a newbie towards this tool and I want to know what exactly Hadoop is ?
Is it comparable to an IR library like Lucene or products like Solr. Also, is there any difference/relation between the two of them.
Thank you
David Newton
Author
Rancher

Joined: Sep 29, 2008
Posts: 12617

Have you visited the Hadoop home page?

I don't know what an "IR" library is, but Lucene is a search engine. Hadoop isn't.
Sumit Bisht
Ranch Hand

Joined: Jul 02, 2008
Posts: 329

Oh, by IR, I meant Information Retrieval. Lucene provides the search capability which is used in search engines like nutch, but as Lucene provides searching and indexing capability, there are different tools that are built on top of it (Apache Solr or Hibernate Search).
Does Hadoop performs the same/similar functionality ?
The official documentation yielded me with confusing results, so I wanted clarification on basically how I can use this technology on a non-clustered environment.
David Newton
Author
Rancher

Joined: Sep 29, 2008
Posts: 12617

Sumit Bisht wrote:Does Hadoop performs the same/similar functionality ?

No; it's not a search engine.
I wanted clarification on basically how I can use this technology on a non-clustered environment.

I can't fathom why you'd want to--that's what Hadoop *is*:
Hadoop home page authors wrote:The Apache Hadoop project develops open-source software for reliable, scalable, distributed computing.
Sumit Bisht
Ranch Hand

Joined: Jul 02, 2008
Posts: 329

Thanks David for pointing me out about Hadoop . I was thinking on lines of an application development tool instead of a platform.
 
I agree. Here's the link: http://aspose.com/file-tools
 
subject: Usage of Hadoop
 
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