For many years, it seems, management and the distributed IT team have, more-or-less, ignored the mainframe. The mainframe has been quietly keeping the company in business, running all those transactions, and being reliable, powerful, scalable, and secure. All the...
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...
Container Pricing, which was introduced in late-2017, is a new pricing solution that makes scaling workloads more economical. Container Pricing is a framework for hosting simplified and flexible software pricing for qualified workloads running on z13 or z14...
Introduction The z/OS Parallel Sysplex® technology provides a highly reliable, redundant, and robust environment by clustering together multiple z/OS systems with one or more coupling facilities to achieve near-continuous availability. However, simply running your...
So you are now working on the mainframe platform. You wanted to keep up with the latest and greatest or you just wanted to get to know a topic or feature associated with the mainframe. Either you just started your job in a mainframe shop or you are an experienced...
“Quick! Abandon the mainframe. …Oh, and by the way, buy a bunch of our platforms and services for millions of dollars!” —Distributed systems manufacturers Craig Mullins did quite an insightful piece a while back about the state of things in the mainframe world...
Part 4 of 4: The Value and Future In Part 1 The Basics, Part 2 The Good and Part 3 The Bad, I’ve explained I did a proof of concept port of an Enterprise Application from Amazon Web Services on x86 to Linux on System z in 2017. The good news was I got to the point I...
Part 3 of 4: The Bad As I’ve explained in Part 1 Basics and Part 2 Good, I did a proof of concept port of an Enterprise Application from Amazon Web Services on x86 to Linux on System z in 2017. The good news was I got to the point I needed to, the bad news was it was...
Part 2 of 4: The Good I provided a simplistic overview of what I intended to port to Linux for System z in Part 1. The original application was built for x86 systems. As such, all binaries are built to run on x86 systems. The Docker containers that these applications...
Part 1 of 4: The Basics At the end of 2016 and lasting a few months into 2017, I completed a proof of concept port of a large Enterprise Application that had been running on the Amazon Web Service Cloud to Linux for System z. This was a Docker based application...
