{"UUID":"61617271-54e4-4f99-9ade-86428b8fe4c3","URL":"https://web.archive.org/web/20181208123409/https://slackhq.com/this-was-not-normal-really","StartTime":"0001-01-01T00:00:00Z","EndTime":"0001-01-01T00:00:00Z","Categories":["postmortem"],"Company":"Slack","Product":"","Description":"A combination of factor results in a large number of Slack's users being disconnected to the server. The subsequent massive disconnection-reconnection process exceeded the database capacity and caused cascading connection failures, leading to 5% of Slack's users not being able to connect to the server for up to 2 hours."}