“Why is it slow?” is the hardest problem to debug in a complex distributed system like Slack. To diagnose a slow-loading channel with over a hundred thousand users, we’d need to look at client-side metrics, server-side metrics, and logs. It could be a client-side issue: a slow network connection or hardware. On the other hand,…
NayaRead shows a summary and links to the original article. The full article is hosted on slack.engineering.