scenario.xml

<?xml version="1.0" encoding="UTF-8"?>
<scenario xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xsi:noNamespaceSchemaLocation="scenario.xsd">
    <brokers>
        <broker id="b1">
            <!-- compose-specific DNS, can use any MQTT broker -->
            <address>hivemq</address>
            <port>1883</port>
        </broker>
    </brokers>
    <clientGroups>
        <clientGroup id="trucks">
            <clientIdPattern>trucks-[0-9]{5}</clientIdPattern>
            <count>100</count>
        </clientGroup>
    </clientGroups>
    <topicGroups>
        <topicGroup id="t1">
            <topicNamePattern>vehicles/trucks/truck-[0-9]{5}/location</topicNamePattern>
            <count>100</count>
        </topicGroup>
    </topicGroups>
    <stages>
        <stage id="s1">
            <lifeCycle id="l1" clientGroup="trucks">
                <rampUp duration="5s"/>
                <connect/>
                <publish topicGroup="t1"
                         count="2000000"
                         rate="1/1s"
                         message="/config.json"
                         payloadGeneratorType="com.hivemq.generator.RoutePayloadGenerator"
                         roundRobin="false"/>
            </lifeCycle>
        </stage>
    </stages>
</scenario>