Tsung - 3.4 million req/sec config

<?xml version="1.0"?>
<!DOCTYPE tsung SYSTEM "/usr/share/tsung/tsung-1.0.dtd">
<tsung loglevel="notice" version="1.0">

<clients>
    <client host="localhost" weight="1" cpu="10" maxusers="40000">
      <ip value="192.168.122.2"/>
    </client>
    <client host="loadnode1" weight="1" cpu="9" maxusers="40000">
      <ip value="192.168.122.2"/>
    </client>
    <client host="loadnode2" weight="1" maxusers="40000" cpu="8">
      <ip value="192.168.122.3"/>
    </client>
    <client host="loadnode3" weight="1" maxusers="40000" cpu="9">
      <ip value="192.168.122.21"/>
    </client>
    <client host="loadnode4" weight="1" maxusers="40000" cpu="9">
      <ip value="192.168.122.11"/>
    </client>
    <client host="loadnode5" weight="1" maxusers="40000" cpu="9">
      <ip value="192.168.122.12"/>
    </client>
    <client host="loadnode6" weight="1" maxusers="40000" cpu="9">
      <ip value="192.168.122.13"/>
    </client>
    <client host="loadnode7" weight="1" maxusers="40000" cpu="9">
      <ip value="192.168.122.14"/>
    </client>
  </clients>

  <servers>
    <server host="192.168.122.10" port="80" type="tcp"/>
  </servers>

  <load>
   <arrivalphase phase="1" duration="10" unit="minute">
   <users maxnumber="15000" arrivalrate="8" unit="second"/>
  </arrivalphase>

   <arrivalphase phase="2" duration="10" unit="minute">
   <users maxnumber="15000" arrivalrate="8" unit="second"/>
  </arrivalphase>

   <arrivalphase phase="3" duration="30" unit="minute">
   <users maxnumber="20000" arrivalrate="3" unit="second"/>
  </arrivalphase>

 </load>

 <sessions>
   <session probability="100" name="ab" type="ts_http">
       <for from="1" to="10000000" var="i">
            <request> <http url="/test.txt" method="GET" version="1.1"/> </request>
      </for>
  </session>
 </sessions>
</tsung>