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Calculated Items - Where are they calculated?

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  • Dr Nick^
    Junior Member
    • Jul 2012
    • 1

    #1

    Calculated Items - Where are they calculated?

    Dear all,

    For some testing purposes i'm testing zabbix, to implement or not to implement as monitoring system for our company.

    How ever, i run the zabbix server on VM which is located 'outside', i use a vpn to connect to the corporate network, where a zabbix Proxy is installed, which collects test data from 4 switches (to start with). Server and proxy off course connected to each other.

    The collection of all the data is perfect, the local cache on the proxy working great, but i have some calculated value's added to the templates of the switches.

    These values are working nice when everything is working as it should and the connection to the proxy and server is up and running.
    A few days ago the vpn stopped working, just got disconnected, the local proxy saved all data, and after restoring the vpn connection all the historic data was send nicely to the server.

    How ever, for the calculated items this was not the case, there i have a blackout for a couple of hours in the data. These calculated items reside in a template, this template i only use for the switches, which are again only collected by the proxy.

    The calculated items in my opinion then should be calculated by the proxy and not the server, since the data, or the item belongs to the host which is monitored by the proxy.

    Is there anyone else who experienced this? or can this be a miss configuration? Is this default behavior? Or is this maybe an item for a next release?

    Greetingz Nick

    Picture below to give hint, switch 4 is not monitored at this time.
    For a bigger picture, click the link below the picture, that one screwed layout.



    blackout_large.png
    Last edited by Dr Nick^; 01-07-2012, 13:43. Reason: picture change, layout got screwed
  • richlv
    Senior Member
    Zabbix Certified Trainer
    Zabbix Certified SpecialistZabbix Certified Professional
    • Oct 2005
    • 3112

    #2
    calculated items are calculated by the server
    Zabbix 3.0 Network Monitoring book

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