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MapReduce

Google is using this and you say, you are not aware of this important concept??? Well, despair not, even I wasn’t aware of it a few days back, so you are not alone. Please have a look at this link to find out what it is.

For more information on why it is important, whether your favorite language supports it (or not), and whether you should really care, read this by Joel Spolsky.

CouchDB (from Apache), is a distributed, fault-tolerant and schema-free document-oriented database accessible via a RESTful HTTP / JSON API, and it makes use of map-reduce system to display its views. CouchDB is written in Erlang and I came to know about this project from an Ayende’s post about it.

I definitely think CouchDB would be suitable for many applications [ though I can’t think of them yet 😉 ] but this article says that cloud computing may make RDBMSes obsolete!!! Now take it or reject it, but all are interesting reads.

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Categories: Programming
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