Todd is a Senior z/OS Performance Consultant for IntelliMagic. His primary area of interest over the course of his 40 year IT career has been z/OS systems performance. Before joining IntelliMagic, Todd spent 26 years at USAA in a variety of roles including mainframe architect and leading their highly successful mainframe software expense reduction initiative.
Having been thoroughly impressed as a customer with the visibility IntelliMagic Vision provides into z/OS systems infrastructure, Todd joined IntelliMagic in 2016 and now helps customers leverage the product to maximize the value obtained from RMF/SMF metrics to automatically identify potential risks to availability and performance. He also leads IntelliMagic’s efforts to accelerate the reduction of Monthly License Charges for customers of IntelliMagic Vision.
Resources created by Todd Havekost
Impact of z14 on Processor Cache and MLC Expenses
This article examines the changes in processor cache design for the z14 processor model.
Lower MLC Software Costs with Processor Cache Optimization
Processor cache utilization plays a significant role in CPU consumption for all Z processors, but that role is more prominent than ever on z13 models.
How to use Processor Cache Optimization to Reduce z Systems Costs
Optimizing processor cache can significantly reduce CPU consumption, and thus z Systems software costs, for your workload on modern z Systems processors.
Reduce MLC Software Costs by Optimizing LPAR Configurations
This article focuses on changes to LPAR configurations that can improve cache efficiency, as reflected in lower Relative Nest Intensity (RNI) values.
zHyperLink - Coming to a Data Center Near You (Sooner Than You Think)
Customer responses in a recent zHyperLink webinar indicate their need for I/O latency improvements will drive near-term efforts to overcome potential obstacles for data center configurations and replication solutions
5 Key Attributes of an Effective Solution to the z/OS Performance Skills Gap
The skills shortage for z/OS performance analysts and capacity planners has left many organizations struggling to ensure availability.