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

<?xml version="1.0" encoding="utf-8"?>
<!--
Licensed to the Apache Software Foundation (ASF) under one
or more contributor license agreements.  See the NOTICE file
distributed with this work for additional information
regarding copyright ownership.  The ASF licenses this file
to you under the Apache License, Version 2.0 (the
"License"); you may not use this file except in compliance
with the License.  You may obtain a copy of the License at

  http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing,
software distributed under the License is distributed on an
"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
KIND, either express or implied.  See the License for the
specific language governing permissions and limitations
under the License.
-->
<queryManagerConfig>
    <!-- The  Query Change Log Sources. The source defines a system where Rya
       - Streams Query Change Logs are managed. The query manager will manage 
       - queries for all Rya instances whose change logs are stored within the
       - source.
       -->
    <queryChangeLogSource>
        <kafka>
            <hostname>[Kafka Broker Hostname]</hostname>
            <port>[Kafka Broker Port]</port>
        </kafka>
    </queryChangeLogSource>
    
    <!-- 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>