https://www.theregister.co.uk/2018/10/31/github_lost_a_network_link_for_43_seconds_went_titsup_for_a_day/

A 43-second loss of connectivity on the US East Coast helped trigger GitHub's 24-hour TITSUP (Total Inability To Support User Pulls) earlier this month.

The bit bucket today published a detailed analysis of the outage, and explained that the brief loss of connectivity between its US East Coast network hub and the primary US East Coast data centre left it with an inconsistency between two MySQL databases.