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Latest
Mainframe modernization remains a top priority
The mainframe community is rightly proud of our platform’s ability to accelerate digital transformation and protect enterprises against growing cyber threats. The IBM mainframe’s security, resiliency, and scalability are exactly what is required to deliver growth...
Understanding how a ‘CM0 SL1 – ACK’ Input Message sent to IMS Connect works
IMS Connect (ICON) is the TCP/IP gateway for IMS. So, besides running the traditional IMS transactions on z/OS, an IMS programmer/DBA can now leverage applications running on the distributed side of the world (a JAVA Web Application, for example) to be able to easily...
Optimizing Mainframe Data Access
Nobody can deny that the amount of data that we store and manage continues to expand at a rapid pace. A recent study by analysts at IDC Corporation concludes that the size of what they call The Global Datasphere will reach 175 zettabytes by 2025. This data growth is...
Db2 12 for z/OS Buffer Pools – Recommendations for PGSTEAL, PGFIX and FRAMESIZE
Not too long ago, I received a note from the leader of a Db2 for z/OS database administration team, asking for my take on a Db2 12 buffer pool configuration set-up that his team had devised. An interesting characteristic of the configuration was the use of the options...
Embracing In-Memory Processing for Optimizing Performance
Organizations are always encouraging their IT professionals to obtain the highest level of performance out of their applications and systems. It only makes sense that business want to achieve value at a high level of return on their investment in IT. Of course,...
Removing Duplicates From a List in Elixir
Thanks to the Enum module, in Elixir we can trivially remove duplicates from a list. In the following example, we take a list of integers and pass it to the Enum.uniq/1 function which removes duplicates from the list without altering the original...
Developing with Elixir/OTP Course Review
Ruby was the first programming language I truly fell in love with. Yes, I had used several others before (and have since), but Ruby was and still is something dear to me. I can appreciate the usefulness of Python, the simplicity of Go, and the mind-expanding nature of...
Mainframe systems help to keep things going in a pandemic
While many of us are in pandemic mode—hopefully most people who CAN work remotely ARE working remotely. Unfortunately, some folks have lost their jobs at least temporarily, and are hopefully receiving financial assistance from one or more levels of government. And...
Latest
Mainframe modernization remains a top priority
The mainframe community is rightly proud of our platform’s ability to accelerate digital transformation and protect enterprises against growing cyber threats. The IBM mainframe’s security, resiliency, and scalability are exactly what is required to deliver growth...
Understanding how a ‘CM0 SL1 – ACK’ Input Message sent to IMS Connect works
IMS Connect (ICON) is the TCP/IP gateway for IMS. So, besides running the traditional IMS transactions on z/OS, an IMS programmer/DBA can now leverage applications running on the distributed side of the world (a JAVA Web Application, for example) to be able to easily...
Optimizing Mainframe Data Access
Nobody can deny that the amount of data that we store and manage continues to expand at a rapid pace. A recent study by analysts at IDC Corporation concludes that the size of what they call The Global Datasphere will reach 175 zettabytes by 2025. This data growth is...
Db2 12 for z/OS Buffer Pools – Recommendations for PGSTEAL, PGFIX and FRAMESIZE
Not too long ago, I received a note from the leader of a Db2 for z/OS database administration team, asking for my take on a Db2 12 buffer pool configuration set-up that his team had devised. An interesting characteristic of the configuration was the use of the options...
Embracing In-Memory Processing for Optimizing Performance
Organizations are always encouraging their IT professionals to obtain the highest level of performance out of their applications and systems. It only makes sense that business want to achieve value at a high level of return on their investment in IT. Of course,...
Removing Duplicates From a List in Elixir
Thanks to the Enum module, in Elixir we can trivially remove duplicates from a list. In the following example, we take a list of integers and pass it to the Enum.uniq/1 function which removes duplicates from the list without altering the original...
Developing with Elixir/OTP Course Review
Ruby was the first programming language I truly fell in love with. Yes, I had used several others before (and have since), but Ruby was and still is something dear to me. I can appreciate the usefulness of Python, the simplicity of Go, and the mind-expanding nature of...
Mainframe systems help to keep things going in a pandemic
While many of us are in pandemic mode—hopefully most people who CAN work remotely ARE working remotely. Unfortunately, some folks have lost their jobs at least temporarily, and are hopefully receiving financial assistance from one or more levels of government. And...
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Upcoming Events
Virtual CICS User Group | September 9, 2025
Virtual MeetingThe Power of CICS Traces and Metrics September 9, 2025 @ 11:30am ET We will begin this Virtual User Group session with a high-level overview of IBM CICS Transaction Server […]
Vanguard Security & Compliance 2025
Marriott St. Louis Airport 10700 Pear Tree Ln, St. Louis, MO, United StatesRecognizing the global need for cybersecurity education, Vanguard Security & Compliance is a premier gathering of cybersecurity professionals from around the world. VSC offers a comprehensive program that balances educational […]
Essential z/OS Performance Tuning Workshop
Virtual MeetingJoin Scott Chapman in this 4-day z/OS Performance Tuning Essentials Workshop that focuses on the foundational terminology, metrics, and practices necessary to measure, understand, and improve z/OS system performance. Participants will gain a comprehensive understanding of the factors driving performance and […]
IDUG EMEA 2025
Dusseldorf, GermanyIDUG will be taking place in Dusseldorf for the 2025 EMEA Db2 Tech Conference! Experience the custom Solution Center, workshops & hands-on labs, IBM’s certification & badging opportunities, as well […]
Evolution of the Mainframe
In 2023, the mainframe is the central technology of the biggest businesses on earth, but they also have a long and storied history. They’ve been around long enough, in fact, to have had a cameo appearance in the show Mad Men (shout out to the IBM/360). But...
Mainframe News This Month
VirtualZ Computing Raises $4.9 Million to Enable Enterprise Innovation With Mainframe Data VirtualZ Computing, the only woman-founded mainframe company, has announced $2.2 million in seed financing, bringing the total capital raised to $4.9 million. The capital...
Where do you fit on the scale of novice to expert?
How well do you know mainframes? Here is a quick test to gauge where you fit on the scale of novice to expert when it comes to knowing your mainframe trivia. Give it your best shot.
Navigating AI and More
IBM Unveils watsonx.governance to Help Businesses Navigate AI Enterprises use AI to solve problems, but businesses are also finding that AI has ushered in a whole new murky world of risks. IBM has announced that watsonx.governance will be released in early December to...
Do you know your Linux Trivia?
As one of the most popular operating systems on the planet, we are all living in a Linux world. All of the world’s top 500 supercomputers run Linux, not to mention our cars, phones, and home appliances. This trusty OS has now been around for a few decades, which in...
Check out the most recent Mainframe News
Rocket Software Survey Reveals Only 27% of Organizations are Extremely Confident in Mainframe Security Compliance Rocket Software, a global technology leader that develops enterprise software for some of the world’s largest companies, has released the findings of its...