How do you distinguish a bad deployment from a coincidental incident?
Our service recently started having problems at 2:15, and a deployment had completed at 2:07. Everyone immediately focused on the release, but an hour later we found that…
change correlation
What’s the hardest part of proving a production change caused an incident?
Many production incidents eventually appear to line up with a deployment, configuration update, infrastructure change, or scaling event. Once you've identified a likely change, what do experienced teams…