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I recently looked into learning Apache Hadoop. Big data and cloud services are where the internet is headed and having not had experience with big data yet, I thought it’d be a good idea to at least get my feet wet. I found a great article on CTO Vision┬áthat walks you through getting hadoop installed and started. Addendum: If you’re having problems with their instructions, like I was, there’s a complete breakdown at pyfunc’s page.

Fortunately, the config is XML-based, so its easy enough to understand once you get the basic syntax down. Unfortunately, the config CTO Vision linked to for Pseudo Distributed mode turned out to be a dead link (404) because Apache removed the Hadoop r0.20.2 documentation from their site sometime in the first half of 2013.

Luckily, I’m resourceful and know of a site other than google that caches web sites, and they just so happened to have a copy of the document I needed.

Continue reading “Hadoop r0.20.2 documentation — dead link — found a cached copy” »

Compuserve for DOS


The internet is constantly changing. According to Cisco, by itself, North America will produce over 1.1ZB (!!!!) of information per year by 2016.

Continue reading “How big is “big data”?” »