Capacity Management Analytics on z/OS

Cost-effective, optimal use of z/OS: Today, tomorrow and beyond

IBM Capacity Management Analytics for z/OS is an advanced analytics solution designed to help you more easily manage and predict your consumption of IBM® z/OS® infrastructure resources. This integrated offering provides insights into processor MIPS, LPAR, workload and memory usage to uncover any constraints that might affect critical business workloads. Dynamic, customizable visual displays help business managers understand System z® usage and future capacity needs. A set of reports gets you started, and optional services and education are available to enable a smooth implementation. As your needs change, the reports and analytics can be tailored to change with them.

The IBM Capacity Management Analytics for z/OS solution is designed to help you:

CPU: MIPS Used - IBM System z and LPAR Level

This report shows CPU MIPS used at the System z and central electronic complex (CEC) level and is broken down to the logical partition (LPAR) level. CPU MIPS used can be displayed for each processor type, IBM System z Integrated Information Processor (zIIP), System z Application Assist Processor (zAAP), and Integrated Facility for Linux (IFL).

CPU: MIPS Used - IBM System z and LPAR Level

CPU MIPS Used – System Level (Captured versus Uncaptured)

This report shows captured and uncaptured CPU MIPS used at the system level. The system's capture ratio is also displayed. A notable increase or decrease in a system's capture ratio might indicate a system problem so you should closely monitor a system's capture ratio after any CPU hardware changes and major operating system and software upgrades.

CPU MIPS Used – System Level (Captured versus Uncaptured)

CPU MIPS Used – Service Class Period

This report shows MIPS used at the workload manager (WLM) service class period level. The total CPU time used by all WLM service class periods is known as captured CPU time.

CPU MIPS Used – Service Class Period

CPU: MIPS Used - System z and LPAR Level with Forecast

This report shows actual CPU MIPS used at the System z and CEC level plus forecasted CPU MIPS usage. CPU MIPS used (actual and forecasted) can be displayed for each processor type (CP, zIIP, zAAP, and IFL). Forecasting CPU MIPS usage is critical to the capacity planning process to ensure adequate CPU capacity will be available to support future growth.

CPU: MIPS Used - System z and LPAR Level with Forecast

CPU: Latent demand

This report shows the latent demand (In and Ready count) and capture ratio for a system. When the In and Ready count exceeds the number of logical processors assigned to a system, it creates latent demand, or work that is waiting to be dispatched on a processor because all processors are busy.

CPU: Latent demand

Memory: Common Service Area (CSA), Extended Common Service Area (ECSA), System Queue Area (SQA) and Extended System Queue Area (ESQA) Utilization

This report shows the peak (maximum) utilization for the common virtual CSA, ECSA, SQA and ESQA storage areas. System outages can occur when CSA or ECSA storage is exhausted so monitoring CSA, ECSA, SQA, and ESQA utilization is critical.

Memory: Common Service Area (CSA), Extended Common Service Area (ECSA), System Queue Area (SQA) and Extended System Queue Area (ESQA) Utilization

WLM: Performance Indexes

This report shows the distribution of WLM for eight performance index ranges. It provides a quick visual of how often WLM goals are being met (performance index equal or less than 1) or missed (performance index greater than 1) and to what degree.

WLM: Performance Indexes

WLM: Delays by ImportanceLevel

This report shows the percentage of time that delays (CPU, IO and paging) are negatively affecting work. Delays at the service class period level are aggregated and displayed for each WLM importance level.

WLM: Delays by ImportanceLevel

WLM: Delays by Service Class Period

This report shows the percentage of time when delays (CPU, IO, paging and more) are negatively affecting work. Delays are displayed at the service class period level.

WLM: Delays by Service Class Period

Capacity Management Analytics on z/OS Screenshots

Track, measure and forecast z/OS capacity and usage

Jumpstart your understanding of exactly how z/OS capacity is being used

Bring together business data and z/OS capacity data

Pinpoint issues or potential issues

Compare actual usage to forecast and predict future requirements

Communicate z/OS performance information

Capacity Management Analytics for z/OS resources

Capacity Management Analytics on z/OS

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