cdh-admin-fifo-example.xml

<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<allocations>
    <queue name="root">
        <schedulingPolicy>fair</schedulingPolicy>
        <queue name="default">
            <schedulingPolicy>fair</schedulingPolicy>
        </queue>
        <queue name="users" type="parent">
            <schedulingPolicy>fair</schedulingPolicy>
        </queue>
        <queue name="prod">
            <weight>80.0</weight>
            <schedulingPolicy>fair</schedulingPolicy>
        </queue>
        <queue name="qa">
            <weight>10.0</weight>
            <schedulingPolicy>fair</schedulingPolicy>
        </queue>
        <queue name="etl">
            <weight>10.0</weight>
            <schedulingPolicy>fair</schedulingPolicy>
        </queue>       
    </queue>
    <queuePlacementPolicy>
        <rule name="specified" create="true"/>
        <rule name="nestedUserQueue">
            <rule name="default" queue="users"/>
        </rule>
        <rule name="default" create="true"/>
    </queuePlacementPolicy>
</allocations>