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Cloudera Challenge 2014

Yesterday, Cloudera released the score reports for their Data Science Challenge 2014 and I was really ecstatic when I received mine with a “PASS” score! This was a real challenge for me and I had to put a LOT of effort into it, but it paid off in the end! Note: I won’t bother you…

Auditing Files in Linux

Stat command in Linux can be used to display a file or a file system status. I came across an issue in RHEL4 where a file’s ‘Change time’ is far ahead than the ‘Modification time’ without a change in uid, gid and mode. # stat /etc/php.ini File: `/etc/php.ini’ Size: 45809 Blocks: 96 IO Block: 4096…

Lock Timeout Error While Creating Database

Recently I worked on a issue where a third-party application was failing during the installation. Below was the error returned by the Application. Lock request time out period exceeded. (Microsoft SQL Server, Error: 1222) The application was failing while it was trying to create a database. The application seemed to have a default timeout setting…

Comparing CPU Throughput of Azure and AWS EC2

After observing CPU core sharing with Amazon Web Services EC2, I thought it would be interesting to see if Microsoft Azure platform exhibits the same behavior. Signing up for Azure’s 30-day trial gives $200 in credit to use over the next 30-day period: more than enough for this kind of testing. Creating a new virtual…

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