Remove 2001 Remove Monitoring Remove Testing
article thumbnail

Netflix: A Culture of Learning

The Netflix TechBlog

Earlier posts covered the basics of A/B tests ( Part 1 and Part 2 ), core statistical concepts ( Part 3 and Part 4 ), how to build confidence in a decision ( Part 5 ), and the the role of Experimentation and A/B testing within the larger Data Science and Engineering organization at Netflix ( Part 6 ).

Education 245
article thumbnail

The Pros and Cons of Wildcard Indexes on MongoDB

Percona

To test wildcard indexes, let’s create a small collection for storing our users’ details. You can test them on your own using explain(). db.user.createIndex( { "$**" : 1 } ) Again, you can test the same queries we did before. The feature looks amazing, but it comes at some cost.

Database 111
Insiders

Sign Up for our Newsletter

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

article thumbnail

Web Quality Assurance: From User Requirements To Web Risk Management

Smashing Magazine

” Quality assurance (QA) is defined as: “A program for the systematic monitoring and evaluation of the various aspects of a project, service, or facility to ensure that standards of quality are being met.” — “ Quality assurance ,” Merriam-Webster. VPTCS model © Élie Sloïm — Éric Gateau — 2001 — www.opquast.com.

article thumbnail

IT Governance Maximises IT Returns

The Agile Manager

That is, a team can work in such a way that it is less likely to cause problems for itself, by e.g., writing unit tests, having continuous integration, developing to finely grained statements of business functionality, embedding QA in the development team, and so forth. Doing these isn’t the same as increasing the probability of success.

article thumbnail

What Adrian Did Next?—?Part 2?—?Sun Microsystems

Adrian Cockcroft

The SE toolkit was fast, had no memory leaks (monitoring scripts could run for years) and let me implement lots of cool performance monitoring ideas. Allan also introduced me to Richard McDougall, who had worked with Allan for Sun Australia, and Richard visited for a rotation to build some monitoring tools.

Tuning 52