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How to Create a Domain Data Grid and Use With a Load Balancer

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Kenji Hasunuma
Published: 29 Oct 2018
Updated: 07 Aug 2025

In this video demo we show you how to use the Domain Data Grid which was introduced as a new feature in Payara 5. As well as further demos using Payara Server and Payara Micro on Microsoft Azure.

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  1. Theodor Richard

    Is there any documentation on how to configure a domain data grid with multiple Payara instances? The documentation says that it’s configured in the domain.xml, but does not indicate where in the domain.xml should the IPs be set…

    Reply
    1. Kenji Hasunuma

      Hi,

      To join Payara instances to a domain data grid, set discovery mode in each instance. In detail, see https://docs.payara.fish/documentation/payara-server/hazelcast/discovery.html

      If a Payara instace which you connect to a data grid is in same domain, you would set only discovery mode to “domain”. Since the instances know DAS’s IP address, they could find DAS and join a data grid.

      Reply
  2. Tadas

    Hi, I can’t figure out how to add a second full Payara server to existing data grid while with Payara micro all is ok (thanks Your video). Can You point me to the right direction? Thanks

    Reply
  3. Jadon Ortlepp

    Hi Tadas, head on over to our forum where a few of the community hang out and might be able to help you. https://forum.payara.fish/

    Reply

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