本文主要是介绍mycat双主双从读写分离，希望对大家解决编程问题提供一定的参考价值，需要的开发者们随着小编来一起学习吧！
<?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="host1" database="jeesun_goods" /><dataHost name="host1" maxCon="1000" minCon="10" balance="1"writeType="0" dbType="mysql" dbDriver="native" switchType="1" slaveThreshold="100"><heartbeat>select user()</heartbeat><!-- can have multi write hosts --><writeHost host="hostM1" url="192.168.31.52:3306" user="root"password="root12"><!-- can have multi read hosts --><readHost host="hostS2" url="192.168.31.52:3307" user="root" password="root12" /> </writeHost><writeHost host="hostM2" url="192.168.31.52:3308" user="root"password="root12"><!-- can have multi read hosts --><readHost host="hostS2" url="192.168.31.52:3309" user="root" password="root12" /> </writeHost></dataHost></mycat:schema>
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