分库分表利器——sharding-sphere

1 分库分表利器——sharding-sphere
https://www.jianshu.com/p/952108f777a3

2 Sharding-Sphere：Sharding-Proxy分库分表
https://blog.csdn.net/zhuyu19911016520/article/details/90051340

3 Sharding-Proxy的使用
https://www.cnblogs.com/yeyongjian/p/10107078.html

4 利用ShardingSphere（sharding-proxy）实现分库分表，通过整合ZooKeeper，进行简单配置文件修改轻松实现跨库跨表相关操作，轻量级零侵入整合项目开发
https://blog.csdn.net/u014374009/article/details/102418034

* ShardingSphere-用户手册

https://shardingsphere.apache.org/document/current/cn/overview/

https://shardingsphere.apache.org/document/current/cn/manual/sharding-jdbc/configuration/config-spring-namespace/

https://shardingsphere.apache.org/document/current/cn/manual/sharding-jdbc/usage/sharding/

######################################################################################################

#

# Here you can configure the rules for the proxy.

# This example is configuration of master-slave rule.

#  

# If you want to use master-slave, please refer to this file;

# if you want to use sharding, please refer to the config-sharding.yaml.

#

######################################################################################################

#分库分表好用

schemaName: master_slave_db

dataSources:

ds_0:

   url: jdbc:mysql://10.102.16.36:3306/demo_ds_0?serverTimezone=UTC&useSSL=false

   username: root

   password: root

   autoCommit: true

   connectionTimeout: 30000

   idleTimeout: 60000

   maxLifetime: 1800000

   maximumPoolSize: 50

ds_1:

   url: jdbc:mysql://10.102.16.36:3306/demo_ds_1?serverTimezone=UTC&useSSL=false

   username: root

   password: root

   autoCommit: true

   connectionTimeout: 30000

   idleTimeout: 60000

   maxLifetime: 1800000

   maximumPoolSize: 50  

 ds0_slave:

   url: jdbc:mysql://10.102.16.64:3306/demo_slave_0?serverTimezone=UTC&useSSL=false

   username: sa

   password: abcd1234

   autoCommit: true

   connectionTimeout: 30000

   idleTimeout: 60000

   maxLifetime: 1800000

   maximumPoolSize: 50  

 ds1_slave:

   url: jdbc:mysql://10.102.16.64:3306/demo_slave_1?serverTimezone=UTC&useSSL=false

   username: sa

   password: abcd1234

   autoCommit: true

   connectionTimeout: 30000

   idleTimeout: 60000

   maxLifetime: 1800000

   maximumPoolSize: 50  

shardingRule:

tables:

   t_order:

     actualDataNodes: ds_${0..1}.t_order_${0..1}

     tableStrategy:

       inline:

         shardingColumn: order_id

         algorithmExpression: t_order_${order_id % 2}

     keyGeneratorColumnName: order_id

   t_order_item:

     actualDataNodes: ds_${0..1}.t_order_item_${0..1}

     tableStrategy:

       inline:

         shardingColumn: order_item_id

         algorithmExpression: t_order_item_${order_item_id % 2}

     keyGeneratorColumnName: order_item_id

bindingTables:

   - t_order,t_order_item

defaultDatabaseStrategy:

   inline:

     shardingColumn: user_id

     algorithmExpression: ds_${user_id % 2}

defaultTableStrategy:

   none:

defaultKeyGeneratorClassName: io.shardingsphere.core.keygen.DefaultKeyGenerator

#---------------------------读写分离不好用

masterSlaveRule:

  name: ds_0

  masterDataSourceName: ds_0

  slaveDataSourceNames:

    - ds0_slave

  name: ds_1

  masterDataSourceName: ds_1

  slaveDataSourceNames:

    - ds1_slave

#---------------------------读写分离不好用