Cobar can be described as the old ancestor of mycat, and its configuration is almost the same as that of mycat. mycat configuration reference:
Permalink: http://gaojingsong.iteye.com/blog/2337539
Preview article: [Introduction to sub-database and sub-table of Mycat operation]
Here is an example configuration for Cobar:
First, configure the data source file
<cobar:schema xmlns:cobar="http://cobar.alibaba.com/">
<!-- schema definition-->
<schema name="dbtest" dataNode="dnTest1">
<table name="t_gaojs" dataNode="dnTest2,dnTest3" rule="rule1" />
</schema>
<!-- Data node definition, data node is organized by data source and some other parameters. -->
<dataNode name="dnTest1">
<property name="dataSource">
<dataSourceRef>dsTest[0]</dataSourceRef>
</property>
</dataNode>
<dataNode name="dnTest2">
<property name="dataSource">
<dataSourceRef>dsTest[1]</dataSourceRef>
</property>
</dataNode>
<dataNode name="dnTest3">
<property name="dataSource">
<dataSourceRef> dsTest[2] </dataSourceRef> --> Guess to refer to the database in location
</property>
</dataNode>
<!-- Data source definition, a data source is a representation of a specific back-end data connection. -->
<dataSource name="dsTest" type="mysql">
<property name="location">
<location>127.0.0.1:3306/db1</location>
<location>127.0.0.1:3306/db2</location>
<location>127.0.0.1:3306/db3</location>
</property>
<property name="user">root</property>
<property name="password">root</property>
<property name="sqlMode">STRICT_TRANS_TABLES</property>
</dataSource>
</cobar:schema>
2. Enable the test
log4j:WARN 2017-03-22 20:48:27 [cobar.home] is not set.
20:48:27,017 INFO ===============================================
20:48:27,017 INFO Cobar is ready to startup ...
20:48:27,017 INFO Startup processors ...
20:48:27,079 INFO Startup connector ...
20:48:27,079 INFO Initialize dataNodes ...
20:48:27,095 INFO dnTest1:0 init success
20:48:27,095 INFO dnTest3:0 init success
20:48:27,095 INFO dnTest2:0 init success
20:48:27,095 INFO CobarManager is started and listening on 9066
20:48:27,111 INFO CobarServer is started and listening on 8066
20:48:27,111 INFO ===============================================
Error solution:
Out of memory solution
This error is cobar:schema misconfiguration
Original is not easy, welcome to reward, please look for the correct address, beware of counterfeiting
