Why Do Mainframes Still Exist? What's Inside One? 40TB, 200+ Cores, AI, and more!

Why HN readers recommended it

Recommended as an accessible tour of modern mainframes that compares them sensibly to ordinary server setups.

This is a summary from the source dataset, not an endorsement by Hacker News or the video creator.

Video & recommendation details

Creator / channel

Dave's Garage

Topic

ibm mainframes

Format

explainer

Level

intermediate

HN recommenders in dataset

3

HN mentions in dataset

4

Recommendation years in dataset

2023–2024

These counts and years describe the included Hacker News records; they are not YouTube views or the video’s publication date.

From the original HN conversations

Excerpts from the recorded comments. Follow each source for the full comment and surrounding discussion.

• "Why Do Mainframes Still Exist? What's Inside One? 40TB, 200+ Cores, AI, and more! - Dave explores the IBM z16 mainframe from design to assembly and testing. What's inside a modern IBM z16 mainframe that makes it relevant today?" - by Dave Plummer. This is …

• Great comment. IBM is as IBM wants to be. I don't think there's a mystery to it and they've ended up on an evolutionary path that can't be reversed. To wit, I just watched a long form video [1] on the passion that goes into …

• Check out this youtube video: [VIDEO] It does a reasonably good job at comparing mainframes to a regular server setup. It's not about SPEC or GFLOPs etc.