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Status Submitted
Workspace IBM i
Categories Performance Tools
Created by Guest
Created on Aug 19, 2026

Improve usability of Investigate Data charts in IBM Navigator for i

After the recent changes to the Investigate Data charts in IBM Navigator for i, we feel that the chart usability has decreased compared to the previous version.

The most important issue is zooming. While we have learned that zooming is available using Ctrl + mouse wheel, this is not obvious and many users will not discover it. A visible zoom control should be available directly on the chart.

We would also like the chart itself to be larger. Currently, navigation and control elements take up too much space, while the chart, which is the main area used for analysis, feels relatively small. This is especially noticeable on laptop screens.

In short, we would like to see:

  • a visible and intuitive zoom function,

  • more screen space dedicated to the chart and less to navigation controls. These changes would significantly improve the usability of Investigate Data charts.

Idea priority Medium
  • Guest
    Sep 16, 2026

    The CAAC has reviewed this IBM Idea and recommends that IBM view this as a medium priority Idea that should be addressed.

    Background: The COMMON Americas Advisory Council (CAAC) members have a broad range of experience in working with small and medium-sized IBM i customers.  CAAC has a key role in working with IBM i development to help assess the value and impact of individual IBM Ideas on the broader IBM i community and has therefore reviewed your Idea.

    For more information about CAAC, see www.common.org/caac

    Brandon Pederson - CAAC Program Manager

  • Guest
    Aug 19, 2026

    As a long-time IBM i developer and administrator, I strongly support this idea. Better zoom controls and more space for the actual charts would make Investigate Data much more practical for everyday analysis and troubleshooting.

  • Guest
    Aug 19, 2026

    I fully support this idea. In its current form, the usability of the Investigate Data charts has significantly decreased, especially for detailed performance analysis.

    The chart area is relatively small compared to the space occupied by navigation controls, which makes data analysis difficult, particularly on laptop screens. Additionally, navigating through the timeline is not intuitive. Verifying short time ranges, such as 1-minute intervals, is cumbersome and requires excessive scrolling and manual adjustments.

    Another important limitation is the current zoom mechanism. Relying solely on Ctrl + mouse wheel is neither intuitive nor practical. Users working on laptops with touchpads often cannot use this functionality effectively, making detailed analysis of performance data extremely difficult or even impossible.

    A dedicated zoom control and a horizontal navigation bar (scrollbar) allowing smooth movement across the selected time range would significantly improve usability. Increasing the chart display area while reducing the space consumed by auxiliary controls would also enhance the overall user experience and analytical efficiency.

    These improvements would make the Investigate Data charts more accessible, intuitive, and effective for day-to-day performance investigations.