Operations | Monitoring | ITSM | DevOps | Cloud

HAProxy can run in two different modes: TCP or HTTP. When operating in TCP mode, we say that it acts as a layer 4 proxy. In HTTP mode, we say that it acts as a layer 7 proxy. To understand the difference, you must first learn about the Open Systems Interconnection (OSI) model, which helps IT pros conceptualize and explain where a piece of software fits in the context of a computer network.

We are excited to bring you our new and improved pull request experience. The entire Bitbucket engineering team has been enjoying the experience and are looking forward to you trying it. In the coming weeks, we'll begin to enroll more people into the new experience with the option to switch back to the old view if needed.

The Docker infrastructure abstracts a lot of aspects of the creation of images and running them as containers, which we usually do not know about nor interact with. One of those aspects is the handling of the filesystem inside the container. This post is a case study on how we discovered that writing large amounts of data inside a container has side effects with memory caching. Initially, we thought that we had an issue with our source code, but this was never the case.

One of our most commonly requested integrations, Datadog cloud monitoring, was announced last week on the Datadog blog! Sleuth organizes your deployments into projects, which collect and organize key data from your code sources and their associated staging environments. This data consists of metrics and errors.

When we were building out our first UI at Speedscale we wanted to get something up and running quickly. Fortunately there are a ton of options of web frameworks that can be used to throw together a quick “hello world” kind of application. However, a SaaS application needs a lot more than just displaying data. It needs to handle user authentication, loading data from a backend API, displaying data in a variety of formats, etc.