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  • Anders 4 posts 75 karma points
    Feb 03, 2021 @ 10:41
    Anders
    0

    Content differs between nodes in a Load balanced environment

    Hi

    We are using a load balanced environment and umbraco 7.10.4

    Lately we are having a issues with that the content on the nodes does not update when publishing changes on the master

    When reseting the cache using Umbraco/dialogs/republish.aspx?xml=true the node that gets targeted refresh but the other one is still out of sync.

    Any ideas of why the nodes cache doesn't refresh on publishing the master or how to target a specific node with the cache rebuild?

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  • Marc Goodson 1451 posts 9716 karma points MVP 5x c-trib
    Feb 03, 2021 @ 13:54
    Marc Goodson
    0

    Hi Anders

    How do you have Load Balancing configured? eg via the database and Flexible Load Balancing or via the legacy 'webservice' approach?

    There is a healthcheck you can install that will give you some useful diagnostic information on your Load balancing configuration:

    https://our.umbraco.com/packages/backoffice-extensions/load-balancing-health-check/

    Essentially if you are flexible-y load balancing then are the 'cacheInstructions' being written to the database table umbracoCacheInstruction every time you publish? and are you explicitly setting the server used for backoffice Umbraco access to be the 'master' server?

    eg the other server isn't checking the cache instruction table, or it is and the cache instruction isn't there...

    With legacy, loadbalancing it's usually the webservice can't make a web request to the other servers in the load balancing pool to tell them to rebuild their cache.

    regards

    Marc

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