What even is a mainframe? I’ve been involved in software and infrastructure for 20+ years, I understand data centres, servers, services, microservices, databases, HA/SPOF, clusters and all the cloud equivalents, but never came across a mainframe. It’s almost a legend – are mainframes a real thing? What do/did they do? What’s happening to them? Where are they?
In: Engineering
Soemtimes a company will have a server, data center, or (super) computer that’s larger than their other ones and used as the primary point of service for various tasks, with other systems being supplemental. That’s a mainframe.
You might have dealt with mainframes and just not called them that.
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