Tsung压测时总连接数 = 本机可用IP地址数量×本机可用端口的数量×远程服务器可访问IP地址数量×远程服务器可访问端口数量。

yum install -y gcc gcc-c++ make libX11 xauth

yum install -y cairo-devel pango-devel freetype-devel gd-devel

yum install -y ncurses-devel openssl-devel unixODBC-devel wxWidgets-devel wxGTK3-docs mesa-libGL-devel

wget http://erlang.org/download/otp_src_20.0.tar.gz

wget https://www.cpan.org/modules/by-module/Template/Template-Toolkit-2.26.tar.gz

wget http://tsung.erlang-projects.org/dist/tsung-1.7.0.tar.gz

tar zxf otp_src_20.0.tar.gz

cd otp_src_20.0

./configure --prefix=/usr/local/erlang --without-javac

make -j 2

make install

tar zxf gnuplot-4.4.2.tar.gz

cd gnuplot-4.4.2

./configure

make -j 2

make install

export PATH=$PATH:/usr/local/erlang/bin/

tar zxf tsung-1.7.0.tar.gz

cd tsung-1.7.0

./configure --prefix=/usr/local/tsung 

<?xml version="1.0"?>

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

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

    <clients>

        <client host="bogon" maxusers="100000" cpu="1">

      <ip value="192.168.1.152"></ip>

      <ip value="192.168.1.153"></ip>

      <ip value="192.168.1.154"></ip>

      <ip value="192.168.1.155"></ip>

    </client>

    </clients>

    <servers>

        <server host="192.168.1.110" port="61613" type="tcp" />

    </servers>

    <load>

        <user session="mqtt_subscriber" start_time="30" unit="second"></user>

        <arrivalphase phase="1" duration="60" unit="second">

            <users maxnumber="100000" arrivalrate="5000" unit="second"/>

        </arrivalphase>

    </load>

    <sessions>

        <session name="mqtt_publisher" probability="100" type="ts_mqtt">

            <request>

                <mqtt type="connect" clean_start="true" keepalive="10" username="admin" password="password" will_topic="phihome/test" will_qos="0" will_msg="will_msg" will_retain="false"></mqtt>

            </request>

            <for from="1" to="10" incr="1" var="loops">

                <request subst="true">

                    <mqtt type="publish" topic="phihome/test" qos="1" retained="true">test_message</mqtt>

                </request>

            </for>

            <request>

                <mqtt type="disconnect"></mqtt>

            </request>

        </session>

        <session name="mqtt_subscriber" probability="0" type="ts_mqtt">

            <request>

                <mqtt type="connect" clean_start="true" keepalive="10"></mqtt>

            </request>

            <request subst="true">

                <mqtt type="subscribe" topic="test_topic" qos="1"></mqtt>

            </request>

            <request>

                <!-- wait for 60s -->

                <mqtt type="waitForMessages" timeout="60"></mqtt>

            </request>

            <request subst="true">

                <mqtt type="unsubscribe" topic="test_topic"></mqtt>

            </request>

            <request>

                <mqtt type="disconnect"></mqtt>

            </request>

        </session>

    </sessions>

</tsung>