rails.xml

<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE tsung SYSTEM "/usr/local/Cellar/tsung/1.6.0/share/tsung/tsung-1.0.dtd" []>
<tsung loglevel="warning">

  <clients>
    <client host="localhost" maxusers="60000" use_controller_vm="true"/>
  </clients>

  <servers>
    <server host="127.0.0.1" port="3000" type="tcp"/>
  </servers>

  <load>
    <arrivalphase phase="1" duration="30" unit="second">
      <users maxnumber="10" arrivalrate="10" unit="second"/>
    </arrivalphase>
    <arrivalphase phase="2" duration="30" unit="second">
      <users maxnumber="40" arrivalrate="40" unit="second"/>
    </arrivalphase>

  </load>

  <options>
    <option name="ports_range" min="1025" max="65535" />
  </options>

  <sessions>
    <session name="es_load" weight="1" type="ts_http">
<setdynvars sourcetype="random_string" length="13">
   <var name="rndstring1" />
</setdynvars>
	<for var="i" from="1" to="5" incr="1">
        <request subst="true">
          <http url="/message-bus/NAZDAR%%_rndstring1%%hhhafhwuefbwaeuifgwe/poll" method="POST" contents="/noise_level=-1&amp;__seq=1" />
        </request>
      </for>

    </session>
  </sessions>
</tsung>