Don’t Believe the Myth-information about the Mainframe: Part 1

When I heard about the HuffPost article highlighting a video debunking the myths that Hollywood has been repeating about the mainframe, I was cautiously optimistic.  Unfortunately, the writer chose to use only one reference book, and focused on the negative points.

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The New Era of Mainframe and Mobility

How proven technology is the only technology for the global mobile paradigm

It’s no secret—the disparaging things we hear behind closed doors and in darkened IT lunch rooms, the rumors that the mainframe is dead or, at the very least, going the way of the Dodo. However, nothing could be further from the truth. In fact, as it turns out, the mainframe may be the only resource we have to maintain the upward drive of mobile use and the associated data that accompanies it.

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DB2 Performance Advisor

The DB2 Performance Advisor – SQL Performance Tuning Basics

When asked what is the single most important or stressful aspect of their job, DBAs typically respond “assuring optimal performance.” Indeed, a Forrester Research survey of critical DBA concerns indicates that performance and troubleshooting tops the list of most challenging DBA tasks. With this in mind, let’s take a moment to outline the basic factors that influence the performance of DB2 applications.

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DB2 Performance Advisor

The DB2 Performance Advisor – What is Performance

Assuring optimal application and system performance is one of the most important goals of IT professionals. And for DB2 developers and DBAs, tuning and monitoring are often daily tasks. But there are many factors involved in DB2 optimization and performance monitoring and tuning … too many to do justice to in a single article. And that is why we are introducing this regular column: The DB2 Performance Advisor.  This column will appear regularly on the Planet Mainframe blog, and will cover all facets of performance management regarding DB2 for z/OS.

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On Mainframe Availability and Performance

On January 14, 2015, IBM announced new mainframe hardware (z13) with a new Operating System version (z/OS V2.2).  Together, the new hardware and operating system bring the IBM mainframe firmly to the forefront of supporting mobile smartphone applications and cloud infrastructure. The hardware and operating system upgrades are the result of a five year $1Billion investment, and resulted in over 500 patent applications.

The combination of the new hardware and operating system changes provides enhanced security, performance, and capacity for new mobile applications. IBM estimates that for each smartphone transaction, anywhere from 4 to 100 subsequent transactions are spawned throughout the application. The z13 with z/OS V2.2 can process 2.5 Billion transactions a day. The hardware/software offers real time encryption and fraud detection for mobile applications as well as embedded analytics.

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