Health Indicators in the Performance Data Investigator
The Performance Data Investigator has a wealth of capabilities, some of which I have written about in the past. This week, I want to review the Health Indicators.
(more…)IBM i Storage Allocation Perspectives
Quite some time ago, I wrote a blog on Understanding Disk Space Usage. Near the end of that article, I mentioned that Collection Services collects storage usage data in the QAPMJOBMI file.
(more…)IBM i Performance Analysis
If you are a regular reader of this blog, you no doubt have come to realize how very fortunate we are on IBM i in the realm of performance tools and performance management. From the seamless instrumentation of metrics, to the various performance data collectors (all included in the operating system), to the powerful graphical tools that are available to help analyze the data. Couple that with the benefit of the patented wait accounting technology, and it’s clear that we have an impressive end-to-end suite of technologies at our disposal to monitor, manage and solve performance problems.
(more…)View Memory Pools and Faulting With the Performance Data Investigator
The blog post Work with System Status – the Navigator Way, described how, using Navigator for i, you can make some simple customizations to get the Active Memory Pools view to show you additional information – pool sizes, fault rates, etc., and mentioned that the work management tasks link to the performance tasks.
(more…)Viewing Job Level SQL Metrics with the Performance Data Investigator
Previously I wrote about Job Level SQL Metrics in Collection Services. In this blog post, I will review the support added to the Performance Data Investigator (PDI) to allow you to view and analyze these job-level SQL metrics.
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