<service name="jdbc-query" interval="300000" user-defined="false" status="on">
            <parameter key="query" value="select round(extract(epoch from (now() - max(acctstarttime)))) from radacct" />
            <parameter key="retry" value="1" />
            <parameter key="timeout" value="5000" />
            <parameter key="port" value="5432" />
            <parameter key="driver" value="org.postgresql.Driver" />
            <parameter key="url" value="jdbc:postgresql://OPENNMS_JDBC_HOSTNAME:5432/db" />
            <parameter key="user" value="opennms" />
            <parameter key="operator" value="&lt;" />
            <parameter key="action" value="compare_int" />
            <parameter key="operand" value="300" />
            <parameter key="message" value="No logins in the last 5 minutes" />
</service>