File: vendor/doctrine/doctrine-cache-bundle/Tests/Functional/Fixtures/config/riak.xml

<?xml version="1.0" ?>
<srv:container xmlns="http://doctrine-project.org/schemas/symfony-dic/cache"
               xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
               xmlns:srv="http://symfony.com/schema/dic/services"
               xsi:schemaLocation="http://symfony.com/schema/dic/services http://symfony.com/schema/dic/services/services-1.0.xsd
                        http://doctrine-project.org/schemas/symfony-dic/cache http://doctrine-project.org/schemas/symfony-dic/cache/doctrine_cache-1.0.xsd">

    <doctrine-cache>
        <provider name="my_riak_cache">
             <riak host="localhost" port="8087">
            <bucket-name>my_bucket</bucket-name>
            <bucket-property-list>
                <allow-multiple>false</allow-multiple>
                <n-value>1</n-value>
            </bucket-property-list>
        </riak>
         </provider>
    </doctrine-cache>
</srv:container>