Welcome to FTMUSIC productions studio™news updates               More details on today outage                                                           Early today this evening Tue,march 5 2024 Facebook was down or unreachable for many of you for approximately around 4:26pm. This is the worst outage we’ve had in over four years, and we wanted to first of all apologize for it. We also wanted to provide much more technical detail on what happened and share one big lesson learned.   The key flaw that caused this outage to be so severe was an unfortunate handling of an error condition. An automated system for verifying configuration values ended up causing much more damage than it fixed.   The intent of the automated system is to check for configuration values that are invalid in the cache and replace them with updated values from the persistent store. This works well for a transient problem with the cache, but it doesn’t work when the persistent store is invalid.   Today we made a change