A deep dive into the technology behind building Slack. Written by engineers, for engineers passionate about solving complex technical problems.
Visit slack.engineering → RSS feedOn Hacker News Oct 2016 – Jan 2025
Software Engineering 19Systems & Performance 7Web & Frontend 4Infrastructure & DevOps 4Security & Privacy 3Networking & Internet 3
For development teams, process can often be antithetical to speed. Ease of deployment and security tend to have an inverse relationship, with some resentment for the security team occasionally mixed in. You may have seen the following tweet: https://twitter.com/petecheslock/status/595617204273618944?lang=en We believe…
If you are are an engineer whose organization uses Linux in production, I have two quick questions for you: 1) How many unique outbound TCP connections have your servers made in the past hour? 2) Which processes and users initiated each of those connections? If you can answer both of these questions, fantastic! You…
On September 30th 2021, Slack had an outage that impacted less than 1% of our online user base, and lasted for 24 hours. This outage was the result of our attempt to enable DNSSEC — an extension intended to secure the DNS protocol, required for FedRAMP Moderate — but which ultimately led to a series of…