Ask HN: Why hasn't the cloud killed the mainframe? (derp.foo)

submitted 1 year ago by haxor@derp.foo to c/hackernews@derp.foo

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I was surprised to see how few mainframes Big Tech companies that handle a huge amount of transactions (Netflix, meta, google,...) use relative to legacy industries (banking, retail, insurance,...)

This makes me suspect that the real reason why mainframes continue to exist are due to industry inertia, vendor lock-in or even legacy code rather than any performance/cost reasons.

There is a discussion on Hacker News, but feel free to comment here as well.

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[-] djmarcone@lemm.ee 4 points 1 year ago

The cloud is just someone else's computer, having a "mainframe" keeps it in-house, maybe for certain industries that is required or preferred.

[-] lps2@lemmy.ml 1 points 1 year ago

Also, just up and switching architectures, support models, and skillets needed within a team is a big hurdle to get over and is typically only done when companies have to. If it ain't broke and the alternative means a massive shift in priorities and higher costs, why ditch the AS400?

this post was submitted on 31 Aug 2023

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