Performance & Tuning Month
SQL & SQL PL Enhancements in Db2 12 and 13 — Technical Insights from the Virtual Mainframe User Group with Chris Crone
In this session of the Mainframe Virtual User Groups, Broadcom Distinguished Engineer Chris Crone provided a practical walkthrough of SQL and SQL PL enhancements across Db2 12 and Db2 13. Drawing on 35 years of experience working in Db2 internals, including SQL...
Actual Intelligence in z/OS Performance and Capacity Planning
It is exciting to be part of the world of computer performance at the dawn of AI. Many companies are heavily investing in Artificial Intelligence (AI) with only a few crude implementations having materialized thus far. As a performance guy, I can say it is important...
The 5 Key Factors for Database Performance
IT organizations are always chasing better performance. This involves monitoring, tuning, and improving all aspects of the IT infrastructure, encompassing servers, networks, applications, desktops, and databases. But let’s focus on the database, shall we? Five factors...
Lightning Fast I/O via zHyperLink and Db2 for z/OS Exploitation – Part 2
Last week we ended with Db2 Performance of zHyperLink Read. Now let’s look at the CPU cost of zHyperLink read. As explained last week, I/O operation is now synchronous to CPU with zHyperLink and SQL processing spins while waiting for the I/O to complete. At the same...
Lightning Fast I/O via zHyperLink and Db2 for z/OS Exploitation
As the size of database and the volume of transactions increase, many of Db2 transactions tend to spend significant amount of wait time in database read and log write I/Os. zHyperLink is introduced to help reduce b2 transaction latency. zHyperLink is a new short...
Getting a Client in Trouble Out of Trouble
Recently, we helped one of our clients – a large investment bank of America – to “find” 30 million dollars per year – money that they weren’t able to obtain for technical reasons – when we helped them get it, it was like found money to them. Before our association,...
Part II: Six ways to improve datacenter performance while saving on costs
Last week we looked at some of the most common reactions to the need for improved mainframe performance in the datacenter. Not all are great solutions, but this week we look at six truly great mainframe performance optimization solutions. Smart Technology Solutions...
Typical Techniques for Improving Datacenter Mainframe Performance
One common sense, and three less-than great Business has been booming, for the most part, for large enterprises in the US and across the globe for the last seven to eight years. The continuous growth in the Dow-Jones, the SSE Composite Index, DAX, Nikkei, FTSE, and...
Latest
Smarter Tech Decisions: Why “and” Wins Over “or”
In technology, we often present choices as binary decisions: replace or keep, mainframe or cloud. But what if this either/or mindset is limiting our potential? This realization struck me through an unexpected source: my home security system. A Lesson in Integration...
Mainframe Security in 2025: Countering New Threats, Using AI, and Getting the Basics Right
Introduction As we moved into 2025, two trends were front of mind for many of our clients: their continued efforts to achieve a Zero Trust security stance in the face of an evolving threat landscape, and the unstoppable rise of artificial intelligence – countering the...
The “Experience Required” Paradox: Companies Can’t Fill Roles, Workers Shut Out
This article originally appeared in Forbes on February 5, 2025. Reposted with permission. Breaking into a cybersecurity career has never been easy and today it’s more competitive than ever. At the same time, there is a well-documented cybersecurity talent shortage,...
The good, the bad and the ugly: generative AI and cybersecurity
Putting the AI into mAInframe security Artificial intelligence can be as much a help as a threat: a powerful tool in the hands of either the good, the bad or the ugly. Today’s threat landscape and cybersecurity requirements are more complex and challenging than ever....
Mainframes: Silent Giants of the Digital Era
In the whirlwind of technological advancements, it's easy to overlook the foundational pillars that support our digital world. Mainframes, often perceived as relics of a bygone era, continue to play a pivotal role in orchestrating the symphony of modern data. These...
Thoughts from a Mainframe on Halloween
It was a dark and stormy night in the data center. 🌩️ The fans hummed softly, and the LEDs blinked like little ghosts in the darkness. I had experienced many Halloween nights as a mainframe, but this one was different. There was an eerie presence in the air — and it...
Defense against the dark arts — mainframe security
Mainframers who thought the mainframe was too difficult a platform to hack are few and far between these days. However, mainframes can be hacked, and they are being hacked.In terms of security, what spells, incantations, and practices should organizations employ to...
Advancing Mainframe Security with Ethical Mainframe Hacking
Written by: David Bruce Put on your hoodie and head for a darkened room! Oh. Wait. Sorry, that’s just the movie version. Despite the stereotype, hackers are real, and they’re dangerous! It’s now their full-time job and they are doing it well. In July, ransomware...
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Upcoming Events
Events
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Virtual IMS User Group: Modernizing IMS Backup and Recovery – The Strategic Shift to Cloud Storage
Zoom - Virtual Meeting📅 July 14, 2026 🕦 11:30 AM ET As enterprise data volumes continue to grow and cyber threats become increasingly sophisticated, organizations are rethinking how IMS backup and recovery environments […]
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Virtual Db2 User Group | Mastering Access Path Management in Db2 for z/OS – Simplify, Optimize, Succeed
Zoom - Virtual MeetingThis session explores strategies for simplifying and optimizing access path management in Db2 for z/OS environments. Attendees will gain insight into techniques for improving query performance, reducing operational complexity, and […]
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Accelerating Mainframe Efficiency: Training and Onboarding Webinar
FeaturedReady to transform your mainframe training strategy? Join the second installment of the PopUp Mainframe Persona Webinar series for a dynamic exploration of cutting-edge mainframe training, featuring renowned industry experts […]
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SHARE Pittsburgh 2026
FeaturedSHARE Pittsburgh brings together mainframe IT professionals for five days of education, networking, and knowledge sharing. The conference program features expert-led sessions, hands-on learning, and forward-looking insights designed to help […]
❓Windows Meets the Mainframe
When Microsoft Windows emerged in the 1980s, it represented a very different vision of computing from the centralized, highly structured world of the mainframe. Windows powered the rise of personal computers and client-server systems, while mainframes continued...
Think 2026, Vertica Acquisition, and more
Think 2026: IBM Positions Mainframe Environments as Governed AI Infrastructure Rocket Software Completes Acquisition of Vertica®, Expanding High-Performance Analytics and AI for Mission-Critical Systems Kyndryl unveils agentic AI capability that proactively prevents...
❓The Unix Legacy Trivia
Like so many transformative innovations, the creation of UNIX was the unintentional outcome of a failed experiment—specifically with a time-sharing operating system called Multics for the GE-645 mainframe. While it was originally developed as a side project with...
News – AI, Modernization, and Mainframe Momentum: This Week’s Industry News
BMC Expands AI-Powered Mainframe Solutions IBM Introduces IBM Bob Premium Package for Z Kyndryl to modernize systems for North Carolina DMV AI Helped a Company Transition Off the Mainframe - and the Project Won an Award Kyndryl named a Leader in 2026 ISG Provider...
❓Linux: Tux in the Data Center
Our quiz today focuses on Linux, which Linus Torvalds originally created in the early 90s for x86 desktop hardware—about as far from a mainframe as you can get. But its life on mainframes has proved remarkably powerful. Through the mid-to-late 90s, Linux gradually...
NEWS – AI to Mainframe Modernization, Shaping the Future of Enterprise Computing, and more
U.S. Public Sector Applies AI to Mainframe Modernization IBM Announces Strategic Collaboration with Arm to Shape the Future of Enterprise Computing 21CS Establishes Strategic Partnership with Interskill Learning IBM Expands FedRAMP Portfolio with Authorization of 11...