schema
<?xml version="1.0"?>
<!DOCTYPE mycat:schema SYSTEM "schema.dtd">
<mycat:schema xmlns:mycat="http://io.mycat/"> <schema name="TESTDB" checkSQLschema="false" >
<!-- auto sharding by id (long) OrderItem-->
<table name="tb_Item" dataNode="dn1,dn2,dn3" rule="jch" />
<table name="OrderItem" dataNode="dn1,dn2,dn3" rule="jch" />
 <!-- 全局表-->
        <table name="goods_class" primaryKey="ID" type="global" dataNode="dn1,dn2,dn3" />
</schema>
<!-- <dataNode name="dn1$0-743" dataHost="localhost1" database="db$0-743"
/> -->
<dataNode name="dn1" dataHost="localhost1" database="data1" />
<dataNode name="dn2" dataHost="localhost1" database="data2" />
<dataNode name="dn3" dataHost="localhost1" database="data3" />
<!--<dataNode name="dn4" dataHost="sequoiadb1" database="SAMPLE" />
<dataNode name="jdbc_dn1" dataHost="jdbchost" database="db1" />
<dataNode name="jdbc_dn2" dataHost="jdbchost" database="db2" />
<dataNode name="jdbc_dn3" dataHost="jdbchost" database="db3" /> -->
<dataHost name="localhost1" maxCon="5" minCon="10" balance="2"
writeType="0" dbType="mysql" dbDriver="native" switchType="1" slaveThreshold="100" maxRetryCount="4">
<heartbeat>select user()</heartbeat>
<!-- can have multi write hosts -->
<writeHost host="hostM1" url="localhost:3306" user="root"
password="Ali_2019">
<!-- can have multi read hosts -->
<readHost host="hostS2" url="localhost:3306" user="root" password="123" />
</writeHost>
<writeHost host="hostS1" url="localhost:3306" user="root"
password="123" />
<!-- <writeHost host="hostM2" url="localhost:3316" user="root" password="123456"/> -->
</dataHost>
<!--
<dataHost name="sequoiadb1" maxCon="1000" minCon="1" balance="0" dbType="sequoiadb" dbDriver="jdbc">
<heartbeat> </heartbeat>
<writeHost host="hostM1" url="sequoiadb://1426587161.dbaas.sequoialab.net:11920/SAMPLE" user="jifeng" password="jifeng"></writeHost>
</dataHost> <dataHost name="oracle1" maxCon="1000" minCon="1" balance="0" writeType="0" dbType="oracle" dbDriver="jdbc"> <heartbeat>select 1 from dual</heartbeat>
<connectionInitSql>alter session set nls_date_format='yyyy-mm-dd hh24:mi:ss'</connectionInitSql>
<writeHost host="hostM1" url="jdbc:oracle:thin:@127.0.0.1:1521:nange" user="base" password="123456" > </writeHost> </dataHost> <dataHost name="jdbchost" maxCon="1000" minCon="1" balance="0" writeType="0" dbType="mongodb" dbDriver="jdbc">
<heartbeat>select user()</heartbeat>
<writeHost host="hostM" url="mongodb://192.168.0.99/test" user="admin" password="123456" ></writeHost> </dataHost> <dataHost name="sparksql" maxCon="1000" minCon="1" balance="0" dbType="spark" dbDriver="jdbc">
<heartbeat> </heartbeat>
<writeHost host="hostM1" url="jdbc:hive2://feng01:10000" user="jifeng" password="jifeng"></writeHost> </dataHost> --> <!-- <dataHost name="jdbchost" maxCon="1000" minCon="10" balance="0" dbType="mysql"
dbDriver="jdbc"> <heartbeat>select user()</heartbeat> <writeHost host="hostM1"
url="jdbc:mysql://localhost:3306" user="root" password="123456"> </writeHost>
</dataHost> -->
</mycat:schema>
rule
<?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>
server
<?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="nonePasswordLogin">0</property> <!-- 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="useHandshakeV10">1</property>
<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="subqueryRelationshipCheck">false</property> <!-- 子查询中存在关联查询的情况下,检查关联字段中是否有分片字段 .默认 false -->
<!-- <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 | type 2 NettyBufferPool -->
<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">64k</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">false</property> <!-- XA Recovery Log日志路径 -->
<!--<property name="XARecoveryLogBaseDir">./</property>--> <!-- XA Recovery Log日志名称 -->
<!--<property name="XARecoveryLogBaseName">tmlog</property>-->
<!--如果为 true的话 严格遵守隔离级别,不会在仅仅只有select语句的时候在事务中切换连接-->
<property name="strictTxIsolation">false</property> <property name="useZKSwitch">true</property> </system> <!-- 全局SQL防火墙设置 -->
<!--白名单可以使用通配符%或着*-->
<!--例如<host host="127.0.0.*" user="root"/>-->
<!--例如<host host="127.0.*" user="root"/>-->
<!--例如<host host="127.*" user="root"/>-->
<!--例如<host host="1*7.*" user="root"/>-->
<!--这些配置情况下对于127.0.0.1都能以root账户登录-->
<!--
<firewall>
<whitehost>
<host host="1*7.0.0.*" user="root"/>
</whitehost>
<blacklist check="false">
</blacklist>
</firewall>
--> <user name="root" defaultAccount="true">
<property name="password">123456</property>
<property name="schemas">TESTDB</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">TESTDB</property>
<property name="readOnly">true</property>
</user> </mycat:server>

mycat schema server rule的更多相关文章

  1. mycat schema.xml 配置文件详解

    <?xml version="1.0"?> <!DOCTYPE mycat:schema SYSTEM "schema.dtd"> &l ...

  2. Mycat 配置文件server.xml

    server.xml 几乎保存了所有 mycat 需要的系统配置信息. 1.system 标签: 该标签内嵌套的所有 property 标签都与系统配置有关. charset 属性: 该属性用于字符集 ...

  3. Mycat 配置说明(rule.xml)

    rule.xml 配置文件定义了我们对表进行拆分所涉及到的规则定义.我们可以灵活的对表使用不同的分片算法, 或者对表使用相同的算法但具体的参数不同. tableRule 标签 该标签用于定义表的拆分规 ...

  4. Windows环境Mycat数据库分库分表中间件部署

    下载地址MYCAT官方网站 jdk安装配置 首先去oracle官网下载并安装jdk8,添加环境变量,JAVA_HOME设置为D:\Worksoftware\Java\jdk1.8 CLASSPATH设 ...

  5. MyCat部署运行(Windows环境)与使用步骤详解

        目录(?)[+] 1.MyCat概念 1.1 总体架构 MyCAT的架构如下图所示: MyCAT使用MySQL的通讯协议模拟成一个MySQL服务器,并建立了完整的Schema(数据库).Tab ...

  6. Windows版Mycat结合mysql安装配置+水平切分(转载)

    来源:https://segmentfault.com/a/1190000009495748 参考文档:Mycat安装与使用 环境 环境 版本 windows 10 java 1.8.0 mysql ...

  7. linux中mycat的配置,分片,以及主从复制

    1.1    安装环境 1.jdk:要求jdk必须是1.7及以上版本 2.Mysql:推荐mysql是5.5以上版本 1.2  安装步骤 Mycat有windows.linux多种版本.本教程为lin ...

  8. MyCAT详解

    一.MyCAT概述 MyCAT是一款由阿里Cobar演变而来的用于支持数据库读写分离.分片的分布式中间件.MyCAT可不但支持Oracle.MSSQL.MYSQL.PG.DB2关系型数据库,同时也支持 ...

  9. Mycat实战之主键数据库自增方式

    创建一个 person表,主键为Id,hash方式分片,主键自增(采用数据库方式) #person表结构如下 Id,主键,Mycat自增主键 name,字符串,16字节最长 school,毕业学校,数 ...

随机推荐

  1. springboot 项目中在普通类中调用dao层的mapper 出现空指针异常

    项目中我遇到同样的问题 特记载一下 有两种方式 一. 该类使用@Component注解 添加一个本类类型的静态字段 创建一个初始化方法,贴上@PostConstruct 标签,用于注入bean 创建方 ...

  2. Hibernate持久化类规则

    注意事项: 提供无参的构造方法,因为在hibernate需要使用反射生成类的实例 提供私有属性,并对这些属性提供公共的setting和getting方法,因为在hibernate底层会将查询到的数据进 ...

  3. 53道java多线程面试题整理及答案(2018年)

    最近看到网上流传着,各种面试经验及面试题,往往都是一大堆技术题目贴上去,而没有答案. 为此我业余时间整理了Java多线程相关的53道常见面试题,及详细答案,你可以用它来好好准备面试.望各路大牛,发现不 ...

  4. C++ Vector实践

    实践如下: #include <iostream> #include <vector> #include <typeinfo> using namespace st ...

  5. 转 实例详解Django的 select_related 和 prefetch_related 函数对 QuerySet 查询的优化(三)

    这是本系列的最后一篇,主要是select_related() 和 prefetch_related() 的最佳实践. 第一篇在这里 讲例子和select_related() 第二篇在这里 讲prefe ...

  6. golang defer 延后执行什么

    对于golang的defer,我们已经知道,defer定义的语句可以延后到函数返回时执行. 经常用在文件的关闭,锁的释放等场景中.而且defer定义的语句即使遇到panic也会执行.这样,可以执行必要 ...

  7. 通过JavaScript让页面只刷新一次

    1.充分利用地址栏可带参数的选项,用脚本来取得页面间的传递参数,并不需要后台程序的支持. 2.函数名 function reurl(){ url = location.href; //把当前页面的地址 ...

  8. Linux系统基本操作

      学习目标: 通过本实验掌握Linux的系统安装.磁盘分区.文件管理.IP地址配置.SSH远程管理.WinSCP文件传输.chmod文件权限管理.tar及gzip/bzip2压缩工具的使用,以及关机 ...

  9. 【深度聚类】Superpixel Sampling Networks

    Superpixel Sampling Networks 原始文档:https://www.yuque.com/lart/papers/ssn 本文的思想很简单,传统的超像素算法是一种有效的低/中级的 ...

  10. python中用*和**解析数据

    在python中可以用*解析tuple,list,set数据给函数传参,用**解析dict类型数据,这样可使代码更加简洁. 示例代码: def func(a,b,c): print('a:{0},b: ...