System Z is designed to efficiently run multiple different workloads at the same time. From Linux you can with proper authorization monitor the other LPARs. The tool for this is hyptop.
Hyptop is documented in the man page (“
man … Read the rest
PostgreSQL is one of the popular databases on Linux on Z. It’s available in all major distributions. As with every database tuning is important. Marc Beyerle, a colleague of mine, wrote an in depth article about his tuning experiences: “… Read the rest
Joran Siu from the IBM Java team installed Minecraft Server on the mainframe. In this entertaining talk he shows the results and the optimizations used, some of them only available on zEC12 and z13.