Mainframe Security Isn’t What It Used to Be – How CICS and LE Are Fighting Back
This article updates a 2022 piece in Cheryl Watson’s Tuning Letter, “LE Non-Executable HEAPS and CICS User Experiences” by Mario…
Inside Db2 for z/OS: How Optimized B+ Trees Power High-Speed Indexing
High-quality indexes are critical for fast data access and returns. IBM Db2 for z/OS relies on an advanced data structure…
The Race to Cool the World’s Data
“Managing heat generated by data centers will become progressively more challenging – and, at the same time, necessary.” Chris Frye,…
Pivoting to Optimal Mainframe Performance with Actual Intelligence
Enterprise Performance Strategies, Inc. (EPS) has a long and deep history with all things mainframe performance and capacity planning. EPS…
Revolutionizing Mainframe Optimization: Prioritize Business Impact Over IT Resource Management
The backbone of global business operations runs through mainframes—which handle a staggering 30 billion transactions daily, hold 80% of the…
Performance management and capacity planning on IBM Z in a hybrid cloud world
Organizations are drawn to the promise of AIOps to leverage AI-driven Intelligence and automation to make quick and accurate decisions…
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…
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.…