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Monthly Archives: March 2013
Working without a net
In a previous post, I mentioned that we’d be using a radically tuned EXT4 FS for our Hadoop DataNodes. Well we did it. Then I turned off journaling! It was scary, exciting and it seems to be working pretty well. … Continue reading
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Hadoop Security is a Like Securing a Thousand Doors
As we look to bring private data into Hadoop I find myself imagining the management of thousands of separate doors for individual data elements. With regulated data this means we’ll need someone going around continuously checking doors to make sure … Continue reading
It’s scary… but sometimes things go really well!
If you’ve been in IT for more than a few minutes, you know that things seldom go as planned. Sometimes they go sideways and you’re left to clean up an abomination. Been there, done that, expect it at least 15% of … Continue reading
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