How monitoring and statistics data turn performance symptoms into evidence When something slows down in a CICS environment, the conversation often starts with a phrase every systems programmer (sysprog) has heard before: "CICS feels stuck." The problem with that...
In a new three-part webinar series, PopUp Mainframe explores how SysProgs, training leaders, developers, and QA professionals tackle the challenges of modern z/OS environments.Mainframe teams rarely experience the platform in the same way. A systems programmer focused...
What happens when an IMS logger fills up in production? How do you prepare for z/OS 3.2? Is Coupling Facility encryption worth the effort? And what does AI really mean for the future of the mainframe workforce? The latest issue of Cheryl Watson’s Tuning Letter tackles...
In the world of enterprise computing, the Great Divide between the mainframe (z/OS) and Linux (Distributed) has long been defined by proprietary silos and unique interfaces. However, as Amanda Hendley of Planet Mainframe highlighted in a virtual user group session...
Stephen K. Johnson Systems EngineerTrident Services, Inc. Chehalis, Washington, USAThis piece is part of the 2026 Planet Mainframe Influential Mainframers series.For over 20 years, Stephen Johnston’s professional world was defined by the fast-moving landscape of...
Scott Brod Product ManagerBroadcom Port Monmouth, NJ, USAThis piece is part of the 2026 Planet Mainframe Influential Mainframers series.In the world of enterprise computing, "legacy" is often used as a polite synonym for "outdated." But for Scott Brod, a Product...
At SHARE Orlando, Amanda Hendley, Managing Editor of Planet Mainframe, shared insights from the 2026 annual Arcati survey. She cut through the industry hype to focus on what the data say about the current state of the platform. The overarching theme? While the core...
Mainframes hold the heart of the most critical business processes in finance, healthcare, and government. Yet many security programmes still draw a neat line around them, treating z/OS as out of scope for red teaming, scenarios, and cyber risk quantification. This...
IBM’s zPDT Decision Risks Mid-Tier ISVs and Mainframe Innovation I’ve been a passionate mainframe (System z) advocate for over 45 years and a staunch supporter of IBM and most of their decisions. However, when I received an email from IBM on 30 September 2025...
How Geniez Is Turning Real-Time Mainframe Data Into Fuel for Modern LLMs Amanda Hendley, Managing Editor of Planet Mainframe, met with Gil Peleg, CEO of Geniez, for a conversation about artificial intelligence (AI)—specifically, the future of AI on the mainframe.Read...
