$ 6 billion mistake: Facebook employees apologize for massive failure

Yesterday evening, October 4, many Internet users faced a serious problem – the social network Facebook simply went out of order, and after it problems appeared in the work of other services of the company. For example, if you believe the resource Downdetector, by 19:00 Moscow time, about 20 thousand complaints were registered that Instagram was not working, then the WhatsApp messenger began to malfunction, as well as in the branded applications Facebook Workplace and Facebook Messenger. The problem was solved only after six hours of active work of engineers and programmers, and today, on October 5, an explanation of the situation appeared in the official blog of the company.

A team of engineers at Facebook apologized to users for the fact that, due to their fault, there were serious disruptions in the work of instant messengers, social networks and related services. They noted that the six-hour outage also affected the company’s internal tools, making it difficult to fix the problem online. According to the engineers, the problem was changes in the configuration of the backbone routers – they are responsible for coordinating network traffic between data centers. And it was the misconfiguration of these routers that caused the crash around the world.

It is worth noting that this error hit the pockets of both Facebook itself and Mark Zuckerberg quite painfully. In just six hours, while social networks and messengers were down, Facebook shares fell 4.89%, which is quite impressive against the background of the company’s total value. Moreover, the head of Facebook, who very quickly apologized to the whole world for the failure of the system, during this time lost $ 5.9 billion of fortune, which, quite naturally, is partially tied to the value of the shares of the social network.

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