Lightning Fast I/O via zHyperLink and Db2 for z/OS Exploitation – Part 2
Last week we ended with Db2 Performance of zHyperLink Read. Now let’s look at the CPU cost of zHyperLink read.…
DB2
Application Architecture: an Evolutionary View
The Mainframe Era In 1970 I joined a company, Databank Systems Ltd, that operated a national network of 6 computer centres, each containing a S360/40. In total this was less than 1/10,000th of the power of my current laptop, at…
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…
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…
What’s waiting round the mainframe corner?
Anyone who has been working on mainframes for any length of time knows that things are always changing. Many people…
Software Urbanism: A challenging but highly rewarding strategy
Information Technology (IT) is rather young in human history. If you compare this sector with industry, IT is just at…