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Migrating complex CI/CD workflows in Bitbucket Cloud
In late 2021, we fully migrated Bitbucket Cloud from a data center to AWS to improve reliability, security, and performance. One of our focus areas in this massive project was migrating complex CI/CD (Continuous Integration / Continuous Delivery) workflows to Bitbucket Pipelines. We wanted to optimize release times and eliminate inefficiencies so we could provide […]
Here’s how one of Atlassian’s critical services consistently gets above 99.9999% of availability
In 2019, we wrote about Tenant Context Service (TCS), a critical infrastructure service at Atlassian which is called multiple times in the path of every web request for the majority of our cloud products. Since then, the TCS team has worked on many improvements to our client sidecar (a sidecar is a co-process that runs […]
A Trello feature froze, but engineering didn’t: How we fixed an unreproducible React bug
Recently, the Trello engineering team fixed a React bug where Trello’s date picker wouldn’t render correctly. When some customers tried to edit the date on a Trello card, they’d only see a blank popover. At first, no one on the team was able to reproduce the bug or anything similar to it. The solution turned […]
Colorful and accessible theming in Trello with CSS custom properties
The Trello engineering, design, and product teams recently created new colorful and accessible board themes using CSS custom properties (also known as CSS variables). We began with the following questions: While applying a dark or light theme to an application is common, how can we build a fun, dynamic theme that is inspired by the […]
How Atlassian made Git push over HTTPS faster for Bitbucket Cloud
Bitbucket Cloud is a Git based code hosting and collaboration tool that allows you to interact with your repositories over either HTTPS or SSH. The services that host each protocol share many common components and underlying infrastructure, but in the past, SSH has outperformed HTTPS when uploading large amounts of data. In March 2022, we […]
Post-Incident Review on the Atlassian April 2022 outage
This PIR is available in the following languages:日本語 Letter from our co-founders & co-CEOs We want to acknowledge the outage that disrupted service for customers earlier this month. We understand that our products are mission critical to your business, and we don’t take that responsibility lightly. The buck stops with us. Full stop. For those […]
Update on the Atlassian outage affecting some customers
As of Apr 18, 2022, 23:57 UTC, all customers impacted by the outage have been restored. On Monday, April 4th, 2022 PT approximately 400 Atlassian Cloud customers experienced a full outage across their Atlassian products. As of April 18th, 2022, we have now restored our customers impacted by the outage and have reached out to […]
Life of a Growth experiment
A while back, we spoke about What does a Product Growth engineer work on? This was a great introduction to the world of Growth engineering and what we, engineers, do. This blog is going to look more into the details of how we do an experiment, using a real production example. We introduce the flow […]
Atlassian’s five-alarm fire: How we evolved our cloud reliability practices
Over the last five years, Atlassian has gone through an incredible transformation. We began as a company that built on-premise software and grew to a cloud-first business with 15 million monthly active users hosted on our cloud products. Our cloud customers include enterprises with increasingly high expectations for reliability. Our tools have helped NASA teams […]
How we build Data Residency for Atlassian Cloud
The beginning of multi-region in cloud We have written before about our journey from our own data centres to utilising AWS. This migration of Jira and Confluence into AWS was only the start of our journey of evolving our architecture to a more cloud-native approach. In this blog, we want to talk about one of […]
Revamping Confluence Cloud Search
We are happy to announce that Confluence Cloud Search is now powered by a new, scalable, and improved platform since August 2020. This has played an integral role in achieving our 10K goal (10k users per tenant), which went live on August 17, 2020. This blog describes more reasons for moving to the new platform. […]
Unlocking reliability with Splunk SmartStore
Atlassian developers use Splunk as the primary tool to search for and analyze logs from applications, appliances, and platforms. As Atlassian grows and introduces new features and services to our customers, the volume of telemetry data, including logs shipped to our Observability data sinks like Splunk, has also increased. Here’s a chart that shows a […]
Continuous profiling of JVM
Atlassian’s mission is to unleash the potential in every team. Our products help teams organize, discuss, and complete their work. Atlassian offers products and services such as Jira, Confluence, Trello, and Bitbucket. The products we build at Atlassian have hundreds of developers working on them, composed of a mixture of monolithic applications and microservices. When […]
Atlassian Engineering’s handbook: a guide for autonomous teams
At Atlassian, we’ve found that the key ingredients to empower autonomous teams are ownership, trust, and a common language. We want every team to own our customers’ success. As opposed to a static command and control model, we start from a position of trust in every team and continually work together to verify the quality, […]
Atlassian’s Cloud Engineering Overview
People. That is my leadership strategy – pure and simple. Find amazing people. Give them tools, frameworks, teammates, autonomy, and a mission. Do everything in my power to help them do their best work. Over the last five years, we’ve done just that – created an amazing engineering team to help propel us forward on […]