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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…

What to Consider When Selecting a Data Service Provider

Today’s blog post completes our series dedicated to data infrastructure outsourcing, with excerpts from our latest white paper. In the first two posts, we discussed the growing trend toward data outsourcing, and conducted a high level analysis of the strengths and weaknesses of the three sourcing options. To protect the wellness of an organization’s data…

Advanced Search with Sphinx and MySQL

Vlad Fedorkov and the creator of Sphinx Search speaking at Percona Live 2014. They cover the basics of Sphinx, as well as faceted search, auto-correction, searching with ranges, geo spatial search, non-full-text search (filtering, grouping, sorting), and about some of Sphinx’s full-text search operators (ie. field-limit operator and quorum operator). https://www.youtube.com/watch?v=-ybnxq149hA A talk at Percona…

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