extras/rya.streams/query-manager/src/main/config/configuration.xml

<?xml version="1.0" encoding="utf-8"?>
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<queryManagerConfig>
    <!-- A list of Query Change Log Sources. A source needs to be defined for
       - every system that is used to manage Rya Streams Query Change Logs.
       - The query manager will manage queries for all Rya instances whose
       - change logs are stored within those sources.
       -->
    <queryChangeLogSources>
        <queryChangeLogSource>
            <kafka>
                <hostname>[Kafka Broker Hostname]</hostname>
                <port>[Kafka Broker Port]</port>
            </kafka>
        </queryChangeLogSource>
    </queryChangeLogSources>
    
    <!-- This section defines performance related tuning values. Sensible
       - default have been provided to simplify configuration. 
       -->
    <performanceTunning>
        <!-- Indicates how frequently the Query Change Logs that are defined
           - in the sources section of this configuration file are polled for
           - updates. This value effects how much time may pass between the 
           - state of a query changing and that change being represented by
           - the execution engine.
           -->
        <queryChanngeLogDiscoveryPeriod>
            <value>1</value>
            <!-- Options: {MILLISECONDS, SECONDS, MINUTES} -->
            <units>MINUTES</units>
        </queryChanngeLogDiscoveryPeriod>
    </performanceTunning>
</queryManagerConfig>