Abstract Median, average, 90th, 99th percentile. We’ve all seen these metrics on our monitoring systems, both open source and from commercial vendors, but often they are used incorrectly when constructing Service Level Objectives. This session will show three different approaches to correctly calculating latency SLOs, and how histograms can be used to calculate mathematically correct … Read More
Abstract Free is a word that has been overloaded through the course of human history, with both good intentions and bad. All will be enumerated with a specific focus on “free” in the context of the modern internet and what it means to the construction and deployment of complex web applications. You will leave this … Read More
If you’ve been working with Angular a lot recently, you may have received word about a set of potentially breaking changes in the next major version, 2.0. In this podcast, Ken Rimple, Don Coleman and Joel Confino discuss Angular 2.0, the reason for these changes, and some of the potential impact.
In this interview with Gilt Groupe CTO Michael Bryzek, we discuss how the company started, the open source technologies they’ve used, and how their open source commitment has evolved. We take some time to talk about the scale of their operation, and how they leverage micro services as a way to make it more manageable and scalable in both infrastructure and human terms.
Sujan Kapadia writes: “This year I’ve started going to the DataPhilly meetups, and I think I’m hooked. The bottom line is DataPhilly talks are very intriguing, expose you to topics you don’t encounter everyday, and give you the chance to meet “non-traditional” developers (scientists and statisticians), whose ranks are rapidly growing.”
EMC and VMware have poured their open source software development workforce into a new wholly-owned subsidiary, dubbed “The Pivotal Initiative”. This organization will focus on data science consulting and tooling from GreenPlum, including SpringSource/vFabric development teams. It is being girded by a team of forward-looking developers at Pivotal, a recent EMC purchase and well known … Read More
PHILLY ENTERPRISE HACKATHON! APRIL 2-19, 2013! (got your attention?) This podcast episode is an interview with three leaders of the 2013 Philadelphia Enterprise Hack-a-thon contest, which is being launched at Philly Emerging Technologies for the Enterprise on April 2-3, 2013. The interviewees are: Mike Schellhase – Director of Field Applications – Bentley Systems Phil Moyer … Read More
Rod Johnson is well known for his work creating and leading SpringSource, and the Spring Framework. But did you know he recently started working with TypeSafe organization? He’s advising them on their board of directors, and he’s working on his own Scala hobby application. He has some views about the language, how to start using … Read More
Ross Mason is the founder of Mule, an open source enterprise service bus that implements the Gregor and Hohpe Enterprise Integration Patterns. Easy to install and configure, Mule does not place heavy demands on developers – there is no required canonical form, services can be expressed in a number of ways, and it supports a … Read More
One of the first questions enterprise clients ask us when they evaluate an open source platform is, “How good is the support?” The assumption is that a commercial platform means reliable 24/7 support while open source means you’re more or less on your own. But the opposite is often true: Not only are many open … Read More