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The social network went offline for more than five hours on Monday.
The collapse was so widespread that Facebook employees couldn’t communicate with each other using the company’s internal chat app, while others were unable to open doors on the Facebook campus.
During maintenance, a command was run to assess the global backbone capacity, and that command accidentally disconnected all of Facebook's data centers. While Facebook's DNS servers ran on a separate network, they were designed to withdraw their BGP routes if they could not connect to Facebook's data centers, making it impossible for the rest ...
Site Reliability Engineering (SRE) is a discipline in the field of Software Engineering and IT infrastructure support that monitors and improves the availability and performance of deployed software systems and large software services (which are expected to deliver reliable response times across events such as new software deployments, hardware failures, and cybersecurity attacks). [1]
In computing and telecommunications, downtime (also (system) outage or (system) drought colloquially) is a period when a system is unavailable. The unavailability is the proportion of a time-span that a system is unavailable or offline.
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Troubleshooting is a form of problem solving, often applied to repair failed products or processes on a machine or a system.It is a logical, systematic search for the source of a problem in order to solve it, and make the product or process operational again.