用Tsung对XMPP进行压力测试，登陆用户只有十几个，无法再添加，何故？

用Tsung对XMPP进行压力测试，登陆用户只有十几个，无法再添加，何故？

下面是配置文件jobber.xml

<?xml version="1.0"?>

<!DOCTYPE tsung SYSTEM "/usr/local/tsung/share/tsung/tsung-1.0.dtd">

<tsung loglevel="notice" version="1.0">

<clients>

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

</clients>

<!-- Server side setup -->

<servers>

<server host="192.168.1.188" port="5222" type="tcp"></server>

</servers>

<load>

<arrivalphase phase="1" duration="1" unit="minute">

<users interarrival="2" unit="second"></users>

<users arrivalrate="300" unit="second"></users>

</arrivalphase>

</load>

<!-- JABBER parameters -->

<!-- to synchronise users, use a global acknoledgement -->

<options>

<option type="ts_jabber" name="global_number" value="100"></option>

<option type="ts_jabber" name="userid_max" value="10000"></option>

<option type="ts_jabber" name="domain" value="192.168.1.188"></option>

<option type="ts_jabber" name="username" value="tsung"></option>

<option type="ts_jabber" name="passwd" value="tsung"></option>

</options>

<sessions>

<session probability="50" name="jabber-example" type="ts_jabber">

<request> <jabber type="connect" ack="no_ack"></jabber> </request>

<thinktime value="2"></thinktime>

<transaction name="authenticate">

<request> <jabber type="auth_get" ack="local"></jabber> </request>

<request> <jabber type="auth_set_plain" ack="local"></jabber> </request>

</transaction>

<request> <jabber type="presence:initial" ack="no_ack"/> </request>

<thinktime value="2"></thinktime>

<transaction name="roster">

<request> <jabber type="iq:roster:get" ack="local"></jabber></request>

</transaction>

<thinktime value="30"></thinktime>

<transaction name="online">

<request> <jabber type="chat" ack="no_ack" size="16" destination="online"></jabber> </request>

</transaction>

<thinktime value="30"></thinktime>

<transaction name="offline">

<request> <jabber type="chat" ack="no_ack" size="56" destination="offline"></jabber> </request>

</transaction>

<thinktime value="30"></thinktime>

<transaction name="close">

<request> <jabber type="close" ack="no_ack"></jabber> </request>

</transaction>

</session>

<session probability="20" name="jabber-plain" type="ts_jabber">

<request> <jabber type="connect" ack="no_ack"></jabber> </request>

<thinktime value="2"></thinktime>

<transaction name="auth_plain">

<request> <jabber type="auth_get" ack="local"></jabber> </request>

<request> <jabber type="auth_set_plain" ack="local"></jabber> </request>

</transaction>

<thinktime value="30"></thinktime>

<transaction name="close">

<request> <jabber type="close" ack="no_ack"></jabber> </request>

</transaction>

</session>

<session probability="20" name="jabber-digest" type="ts_jabber">

<!-- regexp captures stream ID returned by server -->

<request>

<dyn_variable name="sid" re="<stream:stream id="(.*)" xmlns:stream"/>

<jabber type="connect" ack="local"></jabber>

</request>

<thinktime value="2"></thinktime>

<transaction name="auth_digest">

<request> <jabber type="auth_get" ack="local"></jabber> </request>

<request subst='true'> <jabber type="auth_set_digest" ack="local"></jabber> </request>

</transaction>

<thinktime value="30"></thinktime>

<transaction name="close">

<request> <jabber type="close" ack="no_ack"></jabber> </request>

</transaction>

</session>

<session probability="10" name="jabber-sipdigest" type="ts_jabber">

<request> <jabber type="connect" ack="no_ack"></jabber> </request>

<thinktime value="2"></thinktime>

<transaction name="auth_sipdigest">

<!-- regexp captures nonce value returned by server -->

<request>

<dyn_variable name="nonce" re="<Nonce encoding="hex">(.*)<\/Nonce>"/>

<jabber type="auth_get" ack="local"></jabber>

</request>

<request subst='true'> <jabber type="auth_set_sip" ack="local"></jabber> </request>

</transaction>

<thinktime value="30"></thinktime>

<transaction name="close">

<request> <jabber type="close" ack="no_ack"></jabber> </request>

</transaction>

</session>

</sessions>

</tsung>