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  1. ZABBIX BUGS AND ISSUES
  2. ZBX-4774

High cpu load with postgresql monitoring 5000 discovered snmp items

    Details

    • Type: Incident report
    • Status: Closed
    • Priority: Major
    • Resolution: Cannot Reproduce
    • Affects Version/s: 2.0.0rc1
    • Fix Version/s: None
    • Component/s: Server (S)
    • Labels:
    • Environment:

      Description

      Hi, I'm using postgresql and the new 2.0 low level discovery to monitor some switches.
      Everything is fine with most of them, the items are discovered and monitor fine without much load on the server. But one is a 9 unit stack with hundreds of ports.
      After discovery I have 5173 items and 2792 triggers. The database starts to eat CPU (more than 80% all the time) and the zabbix queue starts to fill up losing events...
      The very strange thing is that this happens even if I keep all the items disabled!!! Just adding them to the host kills the db.
      This didn't happen with 1.8 monitoring the same items (with a script generated template)

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            • Assignee:
              Unassigned
              Reporter:
              c.mammoli Cristian Mammoli
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