About Jos Boumans

Jos Boumans

Jos is responsible for Infrastructure & Operations at Krux. He has over 15 years of software development and operations experience, both in the enterprise as well as the open source community. Prior to Krux, Jos ran the team behind the Ubuntu Linux server distribution at Canonical and he ran the RIPE Database, which is responsbile for all of the authoritative IP address data in Europe, the Middle East & Asia.

How to Measure Everything: Instrumenting your Infrastructure

How to Measure Everything: Instrumenting your Infrastructure

Krux EngineersMar 22, 2014

For collecting and storing metrics, we really like using Statsd, Collectd and Graphite. We use collectd to gather system information like disk usage, cpu usage, and service state. Statsd is used by collectd to relay its metrics to graphite, and any applications we write stream data directly to statsd as well (In-depth review on this… Read more »

Realtime Stats from Varnish

Realtime Stats from Varnish

Krux EngineersFeb 01, 2014

At my company we are big fans of Varnish. We use it to front a number of API services that peak at about 40,000 requests/second on our largest cluster currently, and it works very well. As part of our monitoring and instrumentation, we’d also like to see how long these requests take, and what the… Read more »

Measure All The Things!

Measure All The Things!

Krux EngineersJul 13, 2012

Today’s guest blogger is Krux’s own Big Data whisperer, Jos Boumans.  You’ll remember him from some recent DNT-related posts, like “The State of Do Not Track” and “Be “Do Not Track” Compliant in 30 Microseconds or Less”.  He’s a smart guy, and he’s forgotten more about data than most of us will ever know. So, we’re… Read more »

Be “Do Not Track” Compliant in 30 Microseconds or Less

Be “Do Not Track” Compliant in 30 Microseconds or Less

CEO's CornerMar 28, 2012

Recently, I blogged about the state of Do Not Track on the top internet properties, advertisers and widget providers. If you haven’t read it yet, **spoiler alert** the results aren’t encouraging. In my experience, many of the top web operators are in fact concerned with your privacy, so it might be hard to understand why… Read more »

The State of Do Not Track

The State of Do Not Track

Krux EngineersMar 05, 2012

Today’s guest blogger, Krux’s very own Big Data savant and resident Dutch person, Jos Boumans, goes long on the state of DNT on the web.  He revisits some thoughts he shared recently on his personal blog, here. Over the last few weeks, “Do Not Track” has been getting a lot of attention; Mozilla introduced DNT… Read more »