Software As If It Matters

David Dossot

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Top Stories by David Dossot

I'm super excited to announce RxMule, my latest open source project. RxMule provides reactive extensions for Mule ESB, via a set of specific bindings for RxJava. For several years, I've been mulling over the idea of creating a DSL for configuring Mule. Indeed, there is a treasure trove of pre-existing transports and connectors for Mule, which is very compelling for anyone building connected applications (which, nowadays, is probably everybody). Unfortunately developers can be put off by the XML-based DSL used to configure Mule, and thus may pass the opportunity to leverage all this available goodness. As Rx is gaining traction, more and more developers are getting accustomed to its concepts and primitives. With this mind, and knowing that Mule is at core an event processing platform, it dawned on me that instead of creating a DSL that would mimic the XML artifacts... (more)

The Holy Grail of Persistence?

One of the very first CTO-grade decision I had to take in the making of Snoget was to pick what would become our main transactional persistence engine. Since we're using Erlang exclusively for our production servers, the solution seemed easy: use Mnesia. But I settled for PostgreSQL. At this point, anyone who's been dealing with O/R mapping (like Ted Neward who said: "Object/relational mapping is the Vietnam of Computer Science"), should cry fool: Mnesia would offer me persistence without any impedence mismatch with the application runtime environment and I preferred a SQL databa... (more)

IDlight Launched!

I'm super excited to announce the launch of IDlight, my very first SaaS. I'll promote it further after the week-end, but I wanted my blog readers to be the first to know :) IDlight is an API that allows applications to retrieve public profile information. Among other things, it uses established and emerging standards like Webfinger , XRD and hCard to retrieve and parse public profiles. It unifies all the retrieved data under a unique schema, which makes it easy for applications to consume in a consistent manner. Please give it a try and share your feedback directly on ... (more)

CRaSH for Mule, an Introduction

This blog is the formal introduction to the CRaSH console for Mule on which I've been working for the past month or so. I've decided to interview myself about it because, hey, if I don't do it, who will? What is CRaSH for Mule? It is a shell that is running embedded in Mule and that gives command-line access to a variety of Mule internal moving parts. It's built thanks to the excellent CRaSH project, a toolkit built by Julien Viet and sponsored by eXo Platform, which allows the easy creation of embedded shells. What can we do with it? Well, it's easy to find it out. Let's connect ... (more)

DevOps Days Vancouver 2014 By @DDossot | @DevOpsSummit [#DevOps]

Call Me Never (Ignite Talk) I've been super honored to give an ignite talk during DevOps Days Vancouver 2014. Ignite talks are intense, as the slides mercilessly fly-by every 15 seconds, and this for 5 minutes sharp (yes, that's just 20 slides!). In this talk, I tried to present some of the lessons we've learned at Unbounce while rebuilding our page serving infrastructure. Our availability target is five-nines (that's an allowance of 6 seconds of downtime per week) so we've put lots of effort into building a stable, self-healing, gracefully-degrading piece of software. We had a f... (more)