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Everyone Should Have Firefighter Mentality

Australia, being the most arid country in the world is known for its bushfires. The part of Australia where I live in doesn’t have many bushfires, but we do have several building fires, like any other part of the world. Firefighter is one occupation which many kids want to be when they grow up. Kids…

Oracle Passwords: How to Use Punctuation Symbols

You can’t make a password strong enough. But at least you can try. Having at least one upper case character, one lower case character, one number, one punctuation mark or symbol, and greater than 8 characters, you can have a password which can be considered something decently safe, probably.

The Hadoop and the Hare

I speak to a lot of people who are terribly concerned with “real-time”. Can data get into the warehouse in real-time? Can we record everything the user does on the site in real-time? Real-time is a magic phrase, because it really means “so fast that nobody cares”. In a business sense, it usually means that…

12c Multi-tenant Environment and DBRM for Container Database

In multi-tenant environment, Database Resource Manager (DBRM), at the Container Database (CDB) level enables us to manage the resources like CPU usage and number of parallel execution servers among the plugabble databases (PDBs). Then within each PDB, DBRM enables us to manage resources like CPU, parallelism and managing the runaway queries which exceed the certain…

Metrics in Cassandra – Lightning Talk

Blackbird’s own Chris Lohfink was on-hand at the Minneapolis Cassandra Meetup, on May 5th, to give a lightning talk introducing Cassandra’s thread pool metrics. Monitoring Cassandra clusters can be a monumental task, but Chris’s overview provides a nice start to understanding, and ultimately capturing the right metrics to provide insight into the health of a…

Dream DBA

When I was 6 I dreamed about dinosaurs – the bigger ones, like the T-Rex. I loved them. As I reached 16, I dreamed about the girl next door, and everything else was simply invisible. When I was 26, I was already a DBA of few years, going through the final years of being a…

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