Jack's Rants - Batch Job Blues - Why Mainframes And Banks Still Rule The World
From IT Horror Stories with Jack Smith by Jack Smith
February 10, 2026 · 9 min · Season 1
About this episode
Jack discusses the critical role of banking mainframes and the issues that arise from batch jobs.
Jack's Rants dives into the world of banking mainframes and the batch jobs that quietly keep everything moving — until one of them doesn't. What starts as a routine overnight run turns into a multiple transactions on thousands of accounts that didnt happen in the real world, but the mainframe says something else. 00:00 Rant Kickoff 01:23 Transaction Glitch 03:14 Batch Job Drama 05:23 Mainframe Pros 07:33 Wrap Up
People in this episode
Host: Jack Smith
Topics covered
- banking
- mainframes
- batch jobs
- transaction errors
- technology
Keywords
- mainframes
- batch jobs
- banking
- transaction glitch
- IT horror stories
Mentioned in this episode
Organizations: banks, mainframes
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