Distributed Cubes in the same JVM

StackOverflow https://stackoverflow.com/questions/16833351

  •  30-05-2022
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Question

A quick question on distributed cubes. I've seen them suggested as the solution to several questions here (Such as this) and I'm curious if it's possible to run two or more polymorphic distributed cubes within the same JVM - so a single ActivePivot application instance with two or more distributed cubes. It's not clear looking at the documentation if this is possible.

Thanks!

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Solution

This is definitely possible as 2 cubes in the same JVM could communicate through the local machine network. This can be optimized further by using the LOCAL_MESSENGER, which will do less Serialization, but more clones.

    <distributedActivePivot>
        <Id>DistributedCubeName</Id>
        <clusterId>ClusterId</clusterId>
        <distributionType>POLYMORPHIC</distributionType>
        <underlyingPivotId>CubeName</underlyingPivotId>
        <properties>
            <!-- <entry key="distributedMessengerKey" value="JGROUPS_MESSENGER" /> -->
            <entry key="distributedMessengerKey" value="LOCAL_MESSENGER" />
        </properties>
    </distributedActivePivot>
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