schema配置文件如下：

[root@edu-mycat-01 conf]# cat schema.xml.bak 

<?xml version="1.0"?>

<!DOCTYPE mycat:schema SYSTEM "schema.dtd">

<mycat:schema xmlns:mycat="http://io.mycat/">

<schema name="TESTDB" checkSQLschema="false" sqlMaxLimit="100" dataNode="dn1">

</schema>

<dataNode name="dn1" dataHost="edu-mycat-01" database="tree" />

<dataHost name="edu-mycat-01" maxCon="1000" minCon="10" balance="1"

 writeType="0" dbType="mysql" dbDriver="native" switchType="1"  slaveThreshold="100">

<heartbeat>show slave status</heartbeat>

<writeHost host="192.168.1.3" url="192.168.1.3:3306" user="root"

  password="123456">

<readHost host="192.168.1.4" url="192.168.1.4:3306" user="root" password="123456" />

</writeHost>

<writeHost host="192.168.1.4" url="192.168.1.4:3316" user="root"

  password="123456" />

</dataHost>

</mycat:schema>

server.xml配置文件默认