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  1. ZABBIX BUGS AND ISSUES
  2. ZBX-16584

"Y axis MAX value must be greater than Y axis MIN value" error in Graph Classic widgets for metric that received multiple data simultaneously

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    Details

    • Type: Problem report
    • Status: Open
    • Priority: Trivial
    • Resolution: Unresolved
    • Affects Version/s: 4.0.13rc1, 4.2.7rc1
    • Fix Version/s: None
    • Component/s: Frontend (F)
    • Labels:

      Description

      Problem description: The following error is returned in Graph (Classic) widget for LogRT items that monitor multiple log files when multiple values are received simultaneously:
      Y axis MAX value must be greater than Y axis MIN value.

      Steps to reproduce:

      1. Create a host.
      2. Add a logrt item (numeric (float)) that is capable of monitoring multiple files (at least 3) simultaneously, item key example:
         logrt["/var/log/zabbixLog_[0-9]{1,3}$"] 
      3. Set refresh interval to 10s.
      4. Create a graph for the logrt item in Configuration => Hosts => Host name => Graphs
      5. Navigate to Monitoring => Dashboard and create a Graph (classic) widget (Source = Graph) that displays the data collected by the previously created logrt item.
      6. Add the following data to the monitored files (one number per file) within 1 refresh period: 4, 2, 5
      7. Change the displayed time period in the dashboard - increase from 1 hour to a couple of days.

      Result: starting from a certain time period the following error will be returned in the graph widget:
      Y axis MAX value must be greater than Y axis MIN value.

      Expected: data should be displayed without such error messages.

      Example:

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            Assignee:
            zabbix.dev Zabbix Development Team
            Reporter:
            solonkins Sergejs Olonkins
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              Dates

              Created:
              Updated: