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Phone: 1-800-COMPUWARE

Web: compuware.com

What is hip? The Mainframe is!

By | January 9th, 2012|Featured|

The venerable mainframe. How many times has it been labeled a dinosaur? How many pundits have relegated it to the dustbin? But here it is, the 21st century and the mainframe is strong. Financial institutions the world over depend on it. IBM is selling big iron like there is no [...]

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Limits in the Mainframe Universe — What’s Your Plan for 2042?

By | January 3rd, 2012|Featured|

Unless there’s been a recent high impact application problem that involves limits, consideration and design for limits are usually afterthoughts. In fact, odds are that a frequent after-the-fact answer to any question on limits would be “there are none.” Of course, there’s a limit to most everything! Careful analysis during [...]

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Interesting Mainframe Factoids

By | December 9th, 2011|Featured|

So you think the mainframe is yesterday’s news -- that there's really nothing new going on in the Land of Big Iron. Well, maybe you need a little historical perspective. You’ve heard of HTTP – HyperText Transfer Protocol. Did you know that IBM’s Generalized Markup Language (GML) was a precursor to hypertext [...]

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Pitfalls to Avoid When Modernizing the Mainframe Development and Maintenance Programming Environment

By | December 6th, 2011|Featured|

Compuware began leveraging modernized user interfaces in its legacy mainframe developer tools over five years ago. The technology helps customers reduce costs, boost developer productivity and attract a new generation of programmers into the mainframe. In working with dozens of customers who have implemented the new modern Compuware interfaces along with modernized tools [...]

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What’s Your Limit in the Mainframe Universe? – Part 2

By | November 28th, 2011|Featured|

There are many well known limits for mainframe software. In this post, we’ll start by taking a look at the z/OS system and related software, and discuss some of these limits and how they have affected the workplace throughout the years. For IBM S/360, the most common and popular limit [...]

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Mainframe Skills Shortages Expose Rising Costs and Increased Business Risks According to Compuware Research Study

By | November 21st, 2011|Featured|

Compuware today released the results of an independent research study of mainframe usage – and the business risks and costs of a retiring mainframe workforce. Some 520 CIOs in large enterprise organizations with over 1,000 employees were surveyed for the study, including 100 CIOs each in the U.S., UK, France and [...]

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What’s Your Limit in the Mainframe Universe?

By | November 15th, 2011|Featured|

Have you ever been asked, “What’s your limit?” Well, for IBM mainframes, there are lots of limits! Do you have one in mind? Do you know what your limits are? Limits are more easily understood if we classify or clarify the usage of “limit.” Some limits are, for example: architectural, practical, theoretical, [...]

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How Garbage Collection differs in the three big JVMs

By | May 11th, 2011|App Performance, Featured|

Most articles about garbage collection ignore the fact that the Sun Hotspot JVM is not the only game in town. In fact whenever you have to work with either IBM WebSphere or Oracle WebLogic you will run on a different runtime. While the concept of Garbage Collection is the same, the [...]

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