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  • Rodske 74 posts 104 karma points
    Feb 10, 2010 @ 06:29

    NLB - Does this work with the umbracoSettings.config?

    In the /config/umbracoSettings.config area there are settings for load balanced nodes.

    When updating the media in the media section, does this use the umbracoSettings.config to update the memory cache across the nodes in the cluster?

    <!-- distributed calls make umbraco use webservices to handle cache refreshing -->
      <distributedCall enable="true">
        <!-- the id of the user who's making the calls -->
        <!-- needed for security, umbraco will automatically look up correct login and passwords -->

          <!-- add ip number or hostname, make sure that it can be reached from all servers -->





  • Richard Soeteman 3982 posts 12524 karma points MVP
    Feb 10, 2010 @ 08:52
    Richard Soeteman


    This is only for content, sorry no Media. Maybe you can use the Media_Aftersave event to trigger the save action and Distribute the Media item yourself?



  • Rodske 74 posts 104 karma points
    Feb 11, 2010 @ 00:28

    "The cache for a specific item is flushed when you save a media item in the media section. The cached item is also removed when you delete it. The media items are being cached in the Application items (HttpContext.Current.Application).."

    So this cache flushing is only handled on the web node handling the update and all other web nodes will remain out-of-date (having a stale version in memory)?

  • Karl Kopp 121 posts 227 karma points
    Feb 11, 2010 @ 04:59
    Karl Kopp

    Yes - the memory cache is updated when you publish a new / updated node. Media needs to be on a shared volume / disk / sync'd.

  • Rodske 74 posts 104 karma points
    Feb 11, 2010 @ 23:53

    That isn't answering the question. To clarify, my media files are being distributed, the moment I upload them, onto the other NLB nodes via Domain File Replication. Its not the file system I am asking about, but the xml chunk "in-memory" that stores the node/data. Will this memory data be updated on other NLB nodes in the web cluster when the media is updated?

  • Rodske 74 posts 104 karma points
    Feb 25, 2010 @ 03:25

    From what I've discovered so far this solution CAN NOT work in any environment were multiple web nodes are required due to a failure to update the file reference in memory on each node.

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