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June 14, 2025
Why FIFO isn’t Always FIFO: Lessons from User Queues on Power i
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Optimize Performance of Your IBM i Applications
GiAPA analyzes all jobs automatically, pinpoints optimization potential, and shows the obtainable savings and the effort.
GiAPA often finds possible run time improvements even in old programs believed to run efficiently.- Free Performance Tips
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Free Trial
First Performance Tips Free
Free Trial
First Performance Tips Free
Free Trial
First Performance Tips Free
Free Trial
First Performance Tips Free
Free Trial
First Performance Tips Free
Free GiAPA Trial Includes
Automatic Performance Analysis of All Jobs
Step 01
Download and install GiAPA
No configuration needed.
Get going in <15 minutes.
Get going in <15 minutes.
Step 02
Collect data up to 48 hours
GiAPA's data collection for all jobs every 15 seconds uses less than 0,1% CPU.
Step 03
Run analysis and see results
Let the automatic analysis pinpoint any potential performance improvements.
GiAPA in a Nutshell
In addition to resource usage data for all jobs, GiAPA also collects data showing
what the jobs are doing.
This additional data includes
how each file is accessed, and
which program function is active
Statistics on these examples of job activity enables GiAPA to run automatic analysis pinpointing performance inefficiencies.
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GiAPA Insight Reporting
Turning complex performance data into clear insights.
See for all jobs how much and which resources were used.
For CPU hogs, additional data documenting the actual activity is collected.
This allows pinpointing optimization potential down to source code line number.
Deep system visibility
Detect trends in CPU and memory usage, and physical / logical I/Os over time.
Spot anomalies and patterns before they affect your users.
Spot anomalies and patterns before they affect your users.
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CPU load- Memory usage
- Disk I/Os
- Logical I/Os
Performance Analytics
Stay in control with insights from your IBM i LPAR's.
GiAPA visualizes not only resource usage,
but also what the resource were used for.
GiAPA visualizes not only resource usage,
but also what the resource were used for.
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Tailored Reports
Visualize exactly the data you need, from top jobs and users to SQL response times and system trends.
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Key features that make GiAPA stand out
GiAPA runs out of the box using
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Start collecting performance data in minutes. Just download and start collecting data every 15 seconds.
Visualize what matters most to you. Adjust filters and views. Focus on jobs, SQL, users or system resources.
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The Power of GiAPA Insights
GiAPA doesn't just collect data...
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GiAPA shows you exactly where to optimize your IBM i applications
GiAPA estimates how much runtime can be saved
GiAPA estimates how much effort is needed to fix the problem
GiAPA is trusted by IBM i professionals across industries.
GiAPA
What the users say
«GiAPA has been a game-changer for resolving our performance challenges. We have improved our customer service... and have a much better ROI on our IBM i.
GiAPA has helped us focus on the actual performance issues instead of 'flying blind'.
GiAPA has helped us focus on the actual performance issues instead of 'flying blind'.
Brian Kelly, Technical Director, Vermont Information Processing
Manufacturing Sector
Performance Insights
In this section, you'll find in-depth articles, practical tips, and real-world experiences aimed at helping system administrators and IT decision-makers improve performance, reduce resource usage, and get more value from their IBM i environments. Whether you're exploring general best practices or diving into specific GiAPA capabilities, our insights are here to guide you. Explore, learn, and optimize.
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