MyCAT读写分离生产环境配置文件

环境:
三台数据库:
主库:172.16.1.110
从库:172.16.1.120,172.16.1.121


每个数据库里面都有两个库:testhexin,hexin


vim  schema.conf

[root@node110 conf]# pwd
/usr/local/mycat/conf
[root@node110 conf]# cat schema.xml
<?xml version="1.0"?>
<!DOCTYPE mycat:schema SYSTEM "schema.dtd">
<mycat:schema xmlns:mycat="http://io.mycat/">


<schema name="testhexin" checkSQLschema="false" sqlMaxLimit="100" dataNode="dn1"/>
<schema name="hexin" checkSQLschema="false" sqlMaxLimit="100" dataNode="dn2"/>



<dataNode name="dn1" dataHost="localhost1" database="testhexin" />
<dataNode name="dn2" dataHost="localhost2" database="hexin" />

<dataHost name="localhost1" 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="172.16.1.110" url="172.16.1.110:3306" user="root" password="123456">
<!-- can have multi read hosts -->
<readHost host="172.16.1.120" url="172.16.1.120:3306" user="root" password="123456" />
<readHost host="172.16.1.121" url="172.16.1.121:3306" user="root" password="123456" />
</writeHost>
</dataHost>

<dataHost name="localhost2" 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="172.16.1.110" url="172.16.1.110:3306" user="root" password="123456">
                        <!-- can have multi read hosts -->
                        <readHost host="172.16.1.120" url="172.16.1.120:3306" user="root" password="123456" />
                </writeHost>
        </dataHost>


</mycat:schema>


vim server.xml

[root@node110 conf]# pwd
/usr/local/mycat/conf
[root@node110 conf]# cat server.xml 
<?xml version="1.0" encoding="UTF-8"?>
<!-- - - Licensed under the Apache License, Version 2.0 (the "License"); 
- you may not use this file except in compliance with the License. - You 
may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0 
- - Unless required by applicable law or agreed to in writing, software - 
distributed under the License is distributed on an "AS IS" BASIS, - WITHOUT 
WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - See the 
License for the specific language governing permissions and - limitations 
under the License. -->
<!DOCTYPE mycat:server SYSTEM "server.dtd">
<mycat:server xmlns:mycat="http://io.mycat/">
<system>
<property name="useSqlStat">0</property>  <!-- 1为开启实时统计、0为关闭 -->
<property name="useGlobleTableCheck">0</property>  <!-- 1为开启全加班一致性检测、0为关闭 -->


<property name="sequnceHandlerType">2</property>
      <!--  <property name="useCompression">1</property>--> <!--1为开启mysql压缩协议-->
        <!--  <property name="fakeMySQLVersion">5.6.20</property>--> <!--设置模拟的MySQL版本号-->
<!-- <property name="processorBufferChunk">40960</property> -->
<!-- 
<property name="processors">1</property> 
<property name="processorExecutor">32</property> 
-->
<!--默认为type 0: DirectByteBufferPool | type 1 ByteBufferArena-->
<property name="processorBufferPoolType">0</property>
<!--默认是65535 64K 用于sql解析时最大文本长度 -->
<!--<property name="maxStringLiteralLength">65535</property>-->
<!--<property name="sequnceHandlerType">0</property>-->
<!--<property name="backSocketNoDelay">1</property>-->
<!--<property name="frontSocketNoDelay">1</property>-->
<!--<property name="processorExecutor">16</property>-->
<!--
<property name="serverPort">8066</property> <property name="managerPort">9066</property> 
<property name="idleTimeout">300000</property> <property name="bindIp">0.0.0.0</property> 
<property name="frontWriteQueueSize">4096</property> <property name="processors">32</property> -->
<!--分布式事务开关,0为不过滤分布式事务,1为过滤分布式事务(如果分布式事务内只涉及全局表,则不过滤),2为不过滤分布式事务,但是记录分布式事务日志-->
<property name="handleDistributedTransactions">0</property>

<!--
off heap for merge/order/group/limit      1开启   0关闭
-->
<property name="useOffHeapForMerge">1</property>


<!--
单位为m
-->
<property name="memoryPageSize">1m</property>


<!--
单位为k
-->
<property name="spillsFileBufferSize">1k</property>


<property name="useStreamOutput">0</property>


<!--
单位为m
-->
<property name="systemReserveMemorySize">384m</property>




<!--是否采用zookeeper协调切换  -->
<property name="useZKSwitch">true</property>




</system>

<!-- 全局SQL防火墙设置 -->
<!-- 
<firewall> 
   <whitehost>
      <host host="127.0.0.1" user="mycat"/>
      <host host="127.0.0.2" user="mycat"/>
   </whitehost>
       <blacklist check="false">
       </blacklist>
</firewall>
-->

<user name="root">
<property name="password">123456</property>
<property name="schemas">testhexin,hexin</property>

<!-- 表级 DML 权限设置 -->
<!--
<privileges check="false">
<schema name="TESTDB" dml="0110" >
<table name="tb01" dml="0000"></table>
<table name="tb02" dml="1111"></table>
</schema>
</privileges>
-->
</user>


<user name="user">
<property name="password">user</property>
<property name="schemas">testhexin,hexin</property>
<property name="readOnly">true</property>
</user>


</mycat:server>

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