Modelling SQL queries using Map Reduce

Let’s see how we can model some regularly used SQL queries using map reduce. select … from … where … Take following example For this example let’s assume a suitable InputFormat (in case of Hadoop) does the reading from the database and emit key value pairs in the form (k, rec) where k is primary [...]

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Hector : Under the Hood

One of the past several days I decided to have a look how Hector, the Cassandra access library works under the hood. This was partially motivated by of the confusing the notions I had about some of API classes, specially Cluster. My initial impression was Cluster API class represents a Cassandra cluster but looking at [...]

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At WSO2Con 2011..

Today is the first day at WSO2Con 2011. Themed “Explore. Connect. Learn”, the conference aims to deliver deep dive knowledge and experiences of SOA middleware and cloud computing technologies. The day consisted of interesting talks ranging from IBM global technology perspective for 2011 from Dr. C. Mohan (the keynote) to technical talks focused at cloud computing [...]

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Do You Workrave???

Are you computoholic? Yep that’s a word I just made up. Not present in any dictionary. Do you tend to get up from the seat in front of your computer at the evening with the sudden revelation that you didn’t make it out of the room even two times within the day. Or are you [...]

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First Post

Here in this blog I will be thinking aloud about my open source software experience. Feel free to check out and comment of what you think of my thinkings. Have a nice time.

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