My Brief Affair With Android

As a software engineer I like to experiment with different technologies and step outside of my comfort zone once in awhile. Having used iOS devices for a very long time, sometime last year I bought myself a used Samsung Galaxy Note 3. I can now confidently say that […]

Apple is (or was) the Biggest User of Apache Cassandra

One thing I did not realize about Cassandra is that Apple is (or was) one of the biggest Cassandra users out there: Word in Goldmacher’s circles is that Apple will be “replacing” its huge Cassandra noSQL implementation with FoundationDB. Apple uses Cassandra for “iMessage, iTunes passwords, a bunch […]

Building a Supercomputer in AWS: Is it even worth it ?

The fact that Cray is still around is mind boggling. You’d think that commodity hardware and network technologies have long made supercomputing affordable for anyone interested. And yet, Cray Sells One of the World’s Fastest Systems: “This, to IDC’s knowledge, is the largest supercomputer sold into the O&G […]

Ordered Sets and Logs in Cassandra vs SQL

I’ve written before that Cassandra’s achilles’ heel is devops: Storage, redundancy and performance are expanded by adding more nodes. This can happen during normal business hours as long as consistency parameters are met. Same applies to node replacements. As the number of servers grows be prepared to hire […]

Two developers choose to take a class

Here is a wednesday funny for you: Two developers decide to take a class to improve their skills. One takes a day-long class on “Building scalable web applications with MongoDB.” The other one takes a class on “Basket Weaving.” Next day they compare their notes. One of them […]