阮胜昌的技术记录站-LinuxMySQL数据库运维

环境：
数据库三台
172.16.1.110:3307
172.16.1.110:3308
172.16.1.110:3309

三个数据库里面都有一个horizontal_slice库，和两个表user,hexin_aliexpress_sale

vim schema.xml

<?xml version="1.0"?>
<!DOCTYPE mycat:schema SYSTEM "schema.dtd">
<mycat:schema xmlns:mycat="http://io.mycat/">
<!--读写分离开始 -->
<schema name="testhexin" checkSQLschema="false" sqlMaxLimit="100" dataNode="dn1"/>
<schema name="hexin" checkSQLschema="false" sqlMaxLimit="100" dataNode="dn2"/>
        <!--读写分离结束 -->

<!--水平切割开始-->
<schema name="horizontal_slice" checkSQLschema="false" sqlMaxLimit="100">
<table name="user" primaryKey="id" dataNode="dn3307,dn3308,dn3309" rule="mod-long"/>
<table name="hexin_aliexpress_sale" primaryKey="id" dataNode="dn3307,dn3308,dn3309" rule="mod-long"/>
</schema>
<!--水平切割结束 -->

<!--读写分离开始 -->
<dataNode name="dn1" dataHost="localhost1" database="testhexin" />
<dataNode name="dn2" dataHost="localhost2" database="hexin" />
<!--读写分离结束 -->


<!--水平切割开始-->
        <dataNode name="dn3307" dataHost="dh3307" database="horizontal_slice"/>
        <dataNode name="dn3308" dataHost="dh3308" database="horizontal_slice"/>
        <dataNode name="dn3309" dataHost="dh3309" database="horizontal_slice"/>
<!--水平切割结束 -->


<!--读写分离开始 -->
<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>
       <!--读写分离结束 -->




<!--水平切割开始-->
<dataHost name="dh3307" maxCon="1000" minCon="10" balance="1" writeType="0" dbType="mysql" dbDriver="native">
<heartbeat>select user()</heartbeat>
<writeHost host="172.16.1.110" url="172.16.1.110:3307" user="root" password="123456"/>
</dataHost>
<dataHost name="dh3308" maxCon="1000" minCon="10" balance="1" writeType="0" dbType="mysql" dbDriver="native">
<heartbeat>select user()</heartbeat>
<writeHost host="172.16.1.110" url="172.16.1.110:3308" user="root" password="123456"/>
</dataHost>
<dataHost name="dh3309" maxCon="1000" minCon="10" balance="1" writeType="0" dbType="mysql" dbDriver="native">
<heartbeat>select user()</heartbeat>
<writeHost host="172.16.1.110" url="172.16.1.110:3309" user="root" password="123456"/>
</dataHost>
<!--水平切割结束 -->
</mycat:schema>

vim 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,horizontal_slice</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,horizontal_slice</property>
<property name="readOnly">true</property>
</user>


</mycat:server>

vim rule.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:rule SYSTEM "rule.dtd">
<mycat:rule xmlns:mycat="http://io.mycat/">
<tableRule name="rule1">
<rule>
<columns>id</columns>
<algorithm>func1</algorithm>
</rule>
</tableRule>


<tableRule name="rule2">
<rule>
<columns>user_id</columns>
<algorithm>func1</algorithm>
</rule>
</tableRule>


<tableRule name="sharding-by-intfile">
<rule>
<columns>sharding_id</columns>
<algorithm>hash-int</algorithm>
</rule>
</tableRule>
<tableRule name="auto-sharding-long">
<rule>
<columns>id</columns>
<algorithm>rang-long</algorithm>
</rule>
</tableRule>
<tableRule name="mod-long">
<rule>
<columns>id</columns>
<algorithm>mod-long</algorithm>
</rule>
</tableRule>
<tableRule name="sharding-by-murmur">
<rule>
<columns>id</columns>
<algorithm>murmur</algorithm>
</rule>
</tableRule>
<tableRule name="crc32slot">
<rule>
<columns>id</columns>
<algorithm>crc32slot</algorithm>
</rule>
</tableRule>
<tableRule name="sharding-by-month">
<rule>
<columns>create_time</columns>
<algorithm>partbymonth</algorithm>
</rule>
</tableRule>
<tableRule name="latest-month-calldate">
<rule>
<columns>calldate</columns>
<algorithm>latestMonth</algorithm>
</rule>
</tableRule>

<tableRule name="auto-sharding-rang-mod">
<rule>
<columns>id</columns>
<algorithm>rang-mod</algorithm>
</rule>
</tableRule>

<tableRule name="jch">
<rule>
<columns>id</columns>
<algorithm>jump-consistent-hash</algorithm>
</rule>
</tableRule>


<function name="murmur"
class="io.mycat.route.function.PartitionByMurmurHash">
<property name="seed">0</property><!-- 默认是0 -->
<property name="count">2</property><!-- 要分片的数据库节点数量，必须指定，否则没法分片 -->
<property name="virtualBucketTimes">160</property><!-- 一个实际的数据库节点被映射为这么多虚拟节点，默认是160倍，也就是虚拟节点数是物理节点数的160倍 -->
<!-- <property name="weightMapFile">weightMapFile</property> 节点的权重，没有指定权重的节点默认是1。以properties文件的格式填写，以从0开始到count-1的整数值也就是节点索引为key，以节点权重值为值。所有权重值必须是正整数，否则以1代替 -->
<!-- <property name="bucketMapPath">/etc/mycat/bucketMapPath</property> 
用于测试时观察各物理节点与虚拟节点的分布情况，如果指定了这个属性，会把虚拟节点的murmur hash值与物理节点的映射按行输出到这个文件，没有默认值，如果不指定，就不会输出任何东西 -->
</function>


<function name="crc32slot"
  class="io.mycat.route.function.PartitionByCRC32PreSlot">
<property name="count">2</property><!-- 要分片的数据库节点数量，必须指定，否则没法分片 -->
</function>
<function name="hash-int"
class="io.mycat.route.function.PartitionByFileMap">
<property name="mapFile">partition-hash-int.txt</property>
</function>
<function name="rang-long"
class="io.mycat.route.function.AutoPartitionByLong">
<property name="mapFile">autopartition-long.txt</property>
</function>
<function name="mod-long" class="io.mycat.route.function.PartitionByMod">
<!-- how many data nodes -->
<property name="count">3</property>
</function>


<function name="func1" class="io.mycat.route.function.PartitionByLong">
<property name="partitionCount">8</property>
<property name="partitionLength">128</property>
</function>
<function name="latestMonth"
class="io.mycat.route.function.LatestMonthPartion">
<property name="splitOneDay">24</property>
</function>
<function name="partbymonth"
class="io.mycat.route.function.PartitionByMonth">
<property name="dateFormat">yyyy-MM-dd</property>
<property name="sBeginDate">2015-01-01</property>
</function>

<function name="rang-mod" class="io.mycat.route.function.PartitionByRangeMod">
        <property name="mapFile">partition-range-mod.txt</property>
</function>

<function name="jump-consistent-hash" class="io.mycat.route.function.PartitionByJumpConsistentHash">
<property name="totalBuckets">3</property>
</function>



</mycat:rule>