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Status Not under consideration
Workspace IBM i
Categories Performance Tools
Created by Guest
Created on Dec 22, 2025

RELATED IDEAS

To ensure we don't miss CPU spikes, we want to be able to set the graph interval to a finer resolution.

Please allow us to specify the graph interval time for Navigator for i's performance display in greater detail.

Current Situation:
When displaying data for multiple days (four days or more) in the “Performance” section of Navigator for i, the minimum graph interval that can be selected is one hour.

This configuration misses the timing when CPU usage increases.

As a workaround, you can set the graph interval to 15 minutes if you review the data within 1 to 4 days.

When measuring performance over 20 days or more and displaying all days, even if there are periods where CPU usage spikes momentarily, the graph averages out, making it impossible to discern that CPU usage increased.

 

Request:
Even when specifying a one-month data range for the graph interval, please allow users to set shorter intervals.

 

Best regards,

 

 

 

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Idea priority Low
  • Guest
    Apr 15, 2026
    Thank you for submitting your request. At this time, we are declining this request because it would not be performance efficient or useful to customers.

    A one month long display of any chart in PDI at an interval of 15 minutes would be quite intense and difficult to see on a chart. If in those 30 collections a spike in a single 15 minute interval occurred you would not even see it unless you zoomed in (which would lead you back to looking at fewer days)

    Graph history solves that because you can view an entire months worth of performance data at 1 hour intervals averaged, so those spikes would still be seen. Plus the ability to stack by week/day gives even more clarity on where spikes are occurring without zooming in.

    Also even though we allow it, it's not recommended to keep the management collection objects for a really long time - they can take up a lot of space on busy systems.

    For those reasons, we will decline this request. Please provide more information if we are missing something in your request.
    IBM Power Systems Development
    Reply
  • Guest
    Apr 15, 2026
    This restriction is to prevent long running queries that will seemingly "hang" or timeout. The recommended method for viewing performance data over more than 4 days would be to use Graph History. Have you looked at that?
    Reply

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