Blog

Is this z/OS workload change normal?

Change Detection allows analysts to automatically detect workload and application changes, saving them countless hours of manual labor and intensive scrutiny while trying to determine the significance of changes

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Blog

Deriving Insights from SMF 115 MQ Statistics Data

SMF 115 MQ Statistics records report metrics at the MQ queue manager level. These records are lightweight and have negligible CPU cost, so sites typically generate MQ Statistics records on an ongoing basis.

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Blog

Understanding Physical Sequential Datasets

Oftentimes it is sufficient to analyze I/O performance without needing to understand the datasets. The SMF 42 records are useful to obtain a deeper understanding of the datasets and the applications that are using the storage.

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Blog

Sub-Capacity Reporting Tool (SCRT) Filtering Capabilities & Benefits

The goal of analyzing Sub-Capacity Reporting Tool (SCRT) usage is to ultimately manage and reduce your MSU usage, and thus MLC costs.

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Blog

Getting to Know Your WebSphere for z/OS Workload

There are many areas of WebSphere that can leave even a seasoned z/OS performance specialist scratching their head. The SMF 120-9 records give us a great way to measure and understand our WebSphere workloads like never before.

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Blog

Don’t Overlook Supply Chain Disruptions in Your Disaster Recovery Plan

Learn how to mitigate the risk posed by supply chain disruptions by taking a closer look at your disaster recovery plan.

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Blog

Avoid Inefficiencies with Store Into Instruction Stream (SIIS) Assessments

Programs that store data into the instruction stream introduce major inefficiencies into CPU performance. Updating SIIS programs can result in significant reduction of CPU utilization.

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Blog

Troubleshooting Oversubscribed SAN Fabric Inter-Switch Links (ISL’s)

If not resolved quickly, SAN Fabric bottlenecks (starting with the Inter-Switch Links) often result in buffer credit shortages which can lead to performance delays.

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Blog

Reduce Latency and Lower Demand as You Create the Capacity Plan

Mainframe capacity planning is an important budgetary input. If you ensure your performance is in order or have mentioned some efficiency recommendations, you will help keep your organization lean and productive.

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