MyCat下载与安装

linux.centos=7
windows=10
mycat.linux=Mycat-server-1.6.7.4-test-20191113141017-linux
mycat.win=Mycat-server-1.6.7.3-release-20190927161129-win

tar -zxvf Mycat-server-1.6.7.4-test-20191113141017-linux.tar.gz

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE mycat:server SYSTEM "server.dtd">
<mycat:server xmlns:mycat="http://io.mycat/">
  <system>
        <!-- 0为需要密码登陆、1为不需要密码登陆 ,默认为0，设置为1则需要指定默认账户-->
  <property name="nonePasswordLogin">0</property> 
  <property name="useHandshakeV10">1</property>
  <property name="useSqlStat">0</property>
  <property name="useGlobleTableCheck">0</property>
  <property name="sqlExecuteTimeout">300</property>
        <property name="sequnceHandlerType">5</property>
        <property name="sequnceHandlerPattern">(?:(\s*next\s+value\s+for\s*MYCATSEQ_(\w+))(,|\)|\s)*)+</property>
  <property name="subqueryRelationshipCheck">false</property>
        <property name="sequenceHanlderClass">io.mycat.route.sequence.handler.HttpIncrSequenceHandler</property>
        <property name="processorBufferPoolType">0</property>
        <property name="handleDistributedTransactions">0</property>
        <property name="useOffHeapForMerge">0</property>
        <property name="memoryPageSize">64k</property>
        <property name="spillsFileBufferSize">1k</property>
        <property name="useStreamOutput">0</property>
        <property name="systemReserveMemorySize">384m</property>
        <property name="useZKSwitch">false</property>
        <property name="strictTxIsolation">false</property>
        <property name="useZKSwitch">true</property>
  </system>
    <user name="root" defaultAccount="true">
  <property name="password">123456</property>
  <property name="schemas">mycat_db</property>
  <property name="defaultSchema">mycat_db</property>
    </user>
</mycat:server>

<?xml version="1.0"?>
<!DOCTYPE mycat:schema SYSTEM "schema.dtd">
<mycat:schema xmlns:mycat="http://io.mycat/">
  <schema name="mycat_db" checkSQLschema="false" sqlMaxLimit="100">
  <table name="address" dataNode="dn1,dn2,dn3" rule="mod-long" primaryKey="id"/>
  </schema>
  <dataNode name="dn1" dataHost="db_3306" database="db1" />
  <dataNode name="dn2" dataHost="db_3307" database="db2" />
  <dataNode name="dn3" dataHost="db_3308" database="db3" />
  <dataHost name="db_3306" maxCon="1000" minCon="10" balance="0" writeType="0" dbType="mysql" dbDriver="native" switchType="1"  slaveThreshold="100">
  <heartbeat>select user()</heartbeat>
  <writeHost host="hostM1" url="192.168.8.4:3306" user="root" password="mysqlMYSQL*8"></writeHost>
  </dataHost>
  <dataHost name="db_3307" maxCon="1000" minCon="10" balance="0" writeType="0" dbType="mysql" dbDriver="native" switchType="1"  slaveThreshold="100">
  <heartbeat>select user()</heartbeat>
  <writeHost host="hostM2" url="192.168.8.4:3307" user="root" password="mysqlMYSQL*8"></writeHost>
  </dataHost>
  <dataHost name="db_3308" maxCon="1000" minCon="10" balance="0" writeType="0" dbType="mysql" dbDriver="native" switchType="1"  slaveThreshold="100">
  <heartbeat>select user()</heartbeat>
  <writeHost host="hostM3" url="192.168.8.4:3308" user="root" password="mysqlMYSQL*8"></writeHost>
  </dataHost>
</mycat:schema>

# 启动
./mycat start
# 停止
./mycat stop
# 前台运行
./mycat console
# 重启服务
./mycat restart
# 查看启动状态
./mycat status