Evolving Ideas in IT
May 29, 2017
Last week, I wrote about David M. Kroenke’s list of components in a business computer system—computer equipment or hardware, programs, data, procedures and personnel. It’s a simple but enduring model, and you can use it in various situations to help discover useful information about new systems or applications. This week, I’ll discuss some constructs and […]
ArticlesGraph History—Stacked Charts
May 22, 2017
With the 7.3 release, IBM introduced historical performance data collection and the ability to view your historical data graphically with Graph History.
ArticlesSimple and Lasting Ideas on Managing Information Systems
May 22, 2017
Years ago, when I was a student I was assigned a textbook. It was an introduction to Business Computer Systems. The author’s—David M. Kroenke—books were (and still are) used in undergraduate computer information systems and master’s level business courses in management information systems. This post is about something that I learned from that author that […]
ArticlesIBM i Thoughts: COMMON Conference
May 20, 2017
Steve Will reflects on the 2017 COMMON conference.
ArticlesSlicing Time: Curing the Context Switch in AIX
May 17, 2017
Now that we’ve laid a solid groundwork for performance analysis, I'll show you how to tune your systems based on information you’ve gleaned from your diagnostic data.
Natural Alignments of Styles and Methods
May 15, 2017
This is the last post in a brief series on how applications are developed, with a focus on development methods and architectural styles. There’s a natural alignment between certain methods and styles—an alignment that can be found between waterfall and monolithic applications, along with agile and microservices. These are just two examples. I explore these […]
ArticlesHolden O’Neal on How Jiujitsu Affected His Life as a Mainframer
May 15, 2017
Reg Harbeck talks with Holden O’Neal about what made his journey to the mainframe, his employer and SHARE so successful, focusing specifically on Jiujitsu and the life skills it taught him. Listen to the interview via the orange play button or read the transcript below. Reg: Hi, I'm Reg Harbeck and I'm here today with […]
ArticlesBenefit From Non-Disruptive Modernization With IBM API Connect
May 15, 2017
This is the third article in a series about modernization of enterprise applications. The first article, Modernize Legacy Systems to Enable Full Potential, gives an overview of legacy systems, modernization tactics, benefits, strategies, risk and cost as well as challenges and areas of focus like updating the user interface and data modernization. The second article, […]
ArticlesRPG Fundamentals: Arrays
May 9, 2017
RPG has changed so much over the years that, increasingly, we find our students are unaware of many of the basic tools available to them. One is array processing.
ArticlesCOMMON Americas Advisory Council (CAAC) and RFEs
May 3, 2017
Dawn May highlights several IBM i client advisory councils.