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.
Beat the Annual MLC Software Price Increase
MLC costs already consume the largest chunk of many sites mainframe budgets. Here's how you can beat the MLC price increase.
Achieving CPU (& MLC) Savings on z13 and z14 Processors by Optimizing Processor Cache
Beginning with z13 processors and continuing with z14s, customer experiences have confirmed that delivered capacity is more dependent than ever before on effective utilization of processor cache.
Insights into Peak Rolling 4 Hour Average Data in SCRT
IntelliMagic Vision provides visibility into peak and top 20 4 hour rolling average (4HRA) values by product by billing month, with direct drilldowns into CPU consumption during those peak 4 hour periods.
Identify z/OS Performance Relationships & Trends
Performance analysts are greatly aided by the capability to easily view the relationships between various metrics by combining any metrics from the same data category
Optimizing MLC Software Costs with Processor Configurations
Significant opportunities to reduce CPU consumption and MLC expense may not be realized without understanding the vital role processor cache plays in CPU consumption.
Reducing Mainframe MLC Software Costs
This video demonstrates the visibility IntelliMagic Vision provides into key processor metrics that facilitate MLC analysis, including RNI tuning and workloads driving the peak 4 Hour Rolling Average.
Learn New z/OS Performance Skills Quickly - Cryptographic Data
Having a tool at your disposal that doesn’t require years to learn how to use overcomes one of the steepest initial barriers to effective analysis and greatly expedites learning.
Mainframe Capacity “Through the Looking Glass”
When processor cache is optimized, mainframe processors remain productive by actively executing instructions rather than unproductively burning cycles.
Todd Havekost Joins IntelliMagic to Help IBM Mainframe Customers Reduce MLC
May 6, 2016 | IntelliMagic is pleased to announce the hire of Todd Havekost from USAA, where he served as Mainframe Architect and also led their Mainframe Software
Expense Reduction initiative.
Reporting on Group Capping and Usage
This video demonstrates reporting that provides visibility into the interrelationships between several key metrics when group or LPAR-based (“soft”) capping is in effect.
Todd Havekost of IntelliMagic awarded “Best Paper” at the CMG National Conference
Nov 01, 2017 | Todd Havekost has been awarded for his paper "Achieving CPU (& MLC) Savings through Optimizing Processor Cache". The paper focuses on how effective utilization of processor cache is critical to achieve rated CPU capacity for z13 and z14 processors.
Deriving Value when Deluged with Data (aka CICS Transaction Reporting)
When searching for the response time of certain CICS transactions, you need an easy and effective way to filter out the noise and rapidly find what you’re looking for.