Lightning Fast I/O via zHyperLink and Db2 for z/OS Exploitation
As the size of database and the volume of transactions increase, many of Db2 transactions tend to spend significant amount…
A Case Study: Measuring the Impact of Db2 for z/OS Buffer Pool Changes
Not long ago, a Db2 for z/OS administrator contacted me with a request. His team had made some changes to…
Fast Mainframe Data Access – Apples and Oranges
In a growing economy, increases in expected business workloads are making their impacts felt in today’s busiest data centers, through…
Mainframe Upgrades – They Happen
System upgrades are a fact of life. If you’re running a mainframe system, you’re doing it for a good reason—and…
Database security – You need to pay better attention to it
Almost 2 years ago, it was reported that over 10,000 MongoDB databases had been deleted by ransomware groups – and…
Always On: Achieving continuous availability for non-data sharing workloads in a z/OS Parallel Sysplex
Introduction The z/OS Parallel Sysplex® technology provides a highly reliable, redundant, and robust environment by clustering together multiple z/OS systems…
Who’s afraid of the Big Bad Wolf?
Or: We need to talk about mainframe hacking There’s an elephant in the room says Mark Wilson. It’s mainframe-sized, at…
Should DB2 have an Immutable Table Function?
I love hearing about Blockchain; if you are involved in Fintech, then surely by now you have heard a lot…