canal分库配置group-instance.xml

group-instance.xml介绍：

主要针对需要进行多库合并时，可以将多个物理instance合并为一个逻辑instance，提供客户端访问。

场景：分库业务。 比如产品数据拆分了4个库，每个库会有一个instance，如果不用group，业务上要消费数据时，需要启动4个客户端，分别链接4个instance实例。使用group后，可以在canal server上合并为一个逻辑instance，只需要启动1个客户端，链接这个逻辑instance即可.

1.canal.properties配置文件 

#################################################
#########
common argument
#############
#################################################
canal.id= 1
canal.ip=
canal.port=11111
canal.metrics.pull.port=11112
canal.zkServers=xxx.xxx.xxx.1:2181,xxx.xxx.xxx.2:2181,xxx.xxx.xxx.2:2181
# flush data to zk
canal.zookeeper.flush.period = 1000
canal.withoutNetty = false
# flush meta cursor/parse position to file
canal.file.data.dir = ${canal.conf.dir}
canal.file.flush.period = 1000
## memory store RingBuffer size, should be Math.pow(2,n)
canal.instance.memory.buffer.size = 16384
## memory store RingBuffer used memory unit size , default 1kb
canal.instance.memory.buffer.memunit = 1024
## meory store gets mode used MEMSIZE or ITEMSIZE
canal.instance.memory.batch.mode = MEMSIZE
## detecing config
canal.instance.detecting.enable = false
#canal.instance.detecting.sql = insert into retl.xdual values(1,now()) on duplicate key update x=now()
canal.instance.detecting.sql = select 1
canal.instance.detecting.interval.time = 3
canal.instance.detecting.retry.threshold = 3
canal.instance.detecting.heartbeatHaEnable = false
# support maximum transaction size, more than the size of the transaction will be cut into multiple transactions delivery
canal.instance.transaction.size =
1024
# mysql fallback connected to new master should fallback times
canal.instance.fallbackIntervalInSeconds = 60
# network config
canal.instance.network.receiveBufferSize = 16384
canal.instance.network.sendBufferSize = 16384
canal.instance.network.soTimeout = 30
# binlog filter config
canal.instance.filter.druid.ddl = true
canal.instance.filter.query.dcl = false
canal.instance.filter.query.dml = false
canal.instance.filter.query.ddl = false
canal.instance.filter.table.error = false
canal.instance.filter.rows = false
canal.instance.filter.transaction.entry = false
# binlog format/image check
canal.instance.binlog.format = ROW,STATEMENT,MIXED
canal.instance.binlog.image = FULL,MINIMAL,NOBLOB
# binlog ddl isolation
canal.instance.get.ddl.isolation = false
# parallel parser config
canal.instance.parser.parallel = false
## concurrent thread number, default 60% available processors, suggest not to exceed Runtime.getRuntime().availableProcessors()
#canal.instance.parser.parallelThreadSize = 16
## disruptor ringbuffer size, must be power of 2
canal.instance.parser.parallelBufferSize = 256
# table meta tsdb info
canal.instance.tsdb.enable=false
canal.instance.tsdb.dir=${canal.file.data.dir:../conf}/${canal.instance.destination:}
canal.instance.tsdb.url=jdbc:h2:${canal.instance.tsdb.dir}/h2;CACHE_SIZE=1000;MODE=MYSQL;
canal.instance.tsdb.dbUsername=canal
canal.instance.tsdb.dbPassword=canal
# rds oss binlog account
canal.instance.rds.accesskey =
canal.instance.rds.secretkey =
#################################################
#########
destinations
#############
#################################################
canal.destinations= example
# conf root dir
canal.conf.dir = ../conf
# auto scan instance dir add/remove and start/stop instance
canal.auto.scan = false
canal.auto.scan.interval = 5
canal.instance.tsdb.spring.xml=classpath:spring/tsdb/h2-tsdb.xml
#canal.instance.tsdb.spring.xml=classpath:spring/tsdb/mysql-tsdb.xml
canal.instance.global.mode = spring
canal.instance.global.lazy = false
#canal.instance.global.manager.address = 127.0.0.1:1099
#canal.instance.global.spring.xml = classpath:spring/memory-instance.xml
#canal.instance.global.spring.xml = classpath:spring/file-instance.xml
#canal.instance.global.spring.xml = classpath:spring/default-instance.xml
canal.instance.global.spring.xml = classpath:spring/group-instance.xml

2.instance.properties配置 

#################################################
## mysql serverId , v1.0.26+ will autoGen
# canal.instance.mysql.slaveId=0
# enable gtid use true/false
canal.instance.gtidon=false
# position info
canal.instance.master1.address=192.168.88.130:3306 #源库1的ip地址
canal.instance.master1.journal.name=
canal.instance.master1.position=
canal.instance.master1.timestamp=
canal.instance.master1.gtid=
canal.instance.master2.address=192.168.88.129:3306 #源库2的ip地址
canal.instance.master2.journal.name=
canal.instance.master2.position=
canal.instance.master2.timestamp=
canal.instance.master2.gtid=
# rds oss binlog
canal.instance.rds.accesskey=
canal.instance.rds.secretkey=
canal.instance.rds.instanceId=
# table meta tsdb info
canal.instance.tsdb.enable=false
#canal.instance.tsdb.url=jdbc:mysql://127.0.0.1:3306/canal_tsdb
#canal.instance.tsdb.dbUsername=canal
#canal.instance.tsdb.dbPassword=canal
#canal.instance.standby1.address =
#canal.instance.standby1.journal.name =
#canal.instance.standby1.position =
#canal.instance.standby1.timestamp =
#canal.instance.standby1.gtid=
#canal.instance.standby2.address =
#canal.instance.standby2.journal.name =
#canal.instance.standby2.position =
#canal.instance.standby2.timestamp =
#canal.instance.standby2.gtid=
# username/password
canal.instance.dbUsername=canal
canal.instance.dbPassword=canal
canal.instance.connectionCharset=UTF-8
# table regex
canal.instance.filter.regex=.*\..*
# table black regex
canal.instance.filter.black.regex=
#################################################

3.group-instance.xml配置

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:tx="http://www.springframework.org/schema/tx"
xmlns:aop="http://www.springframework.org/schema/aop" xmlns:lang="http://www.springframework.org/schema/lang"
xmlns:context="http://www.springframework.org/schema/context"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.0.xsd
http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-2.0.xsd
http://www.springframework.org/schema/lang http://www.springframework.org/schema/lang/spring-lang-2.0.xsd
http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.0.xsd
http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-2.5.xsd"
default-autowire="byName">
<import resource="classpath:spring/base-instance.xml" />
<bean id="instance" class="com.alibaba.otter.canal.instance.spring.CanalInstanceWithSpring">
<property name="destination" value="${canal.instance.destination}" />
<property name="eventParser">
<ref local="eventParser" />
</property>
<property name="eventSink">
<ref local="eventSink" />
</property>
<property name="eventStore">
<ref local="eventStore" />
</property>
<property name="metaManager">
<ref local="metaManager" />
</property>
<property name="alarmHandler">
<ref local="alarmHandler" />
</property>
</bean>
<!-- 报警处理类 -->
<bean id="alarmHandler" class="com.alibaba.otter.canal.common.alarm.LogAlarmHandler" />
<bean id="zkClientx" class="org.springframework.beans.factory.config.MethodInvokingFactoryBean" >
<property name="targetClass" value="com.alibaba.otter.canal.common.zookeeper.ZkClientx" />
<property name="targetMethod" value="getZkClient" />
<property name="arguments">
<list>
<value>${canal.zkServers:127.0.0.1:2181}</value>
</list>
</property>
</bean>
<bean id="metaManager" class="com.alibaba.otter.canal.meta.PeriodMixedMetaManager">
<property name="zooKeeperMetaManager">
<bean class="com.alibaba.otter.canal.meta.ZooKeeperMetaManager">
<property name="zkClientx" ref="zkClientx" />
</bean>
</property>
<property name="period" value="${canal.zookeeper.flush.period:1000}" />
</bean>
<bean id="eventStore" class="com.alibaba.otter.canal.store.memory.MemoryEventStoreWithBuffer">
<property name="bufferSize" value="${canal.instance.memory.buffer.size:16384}" />
<property name="bufferMemUnit" value="${canal.instance.memory.buffer.memunit:1024}" />
<property name="batchMode" value="${canal.instance.memory.batch.mode:MEMSIZE}" />
<property name="ddlIsolation" value="${canal.instance.get.ddl.isolation:false}" />
</bean>
<bean id="eventSink" class="com.alibaba.otter.canal.sink.entry.EntryEventSink">
<property name="eventStore" ref="eventStore" />
<property name="filterTransactionEntry" value="${canal.instance.filter.transaction.entry:false}"/>
</bean>
<bean id="eventParser" class="com.alibaba.otter.canal.parse.inbound.group.GroupEventParser">
<property name="eventParsers">
<list>
<ref bean="eventParser1" />
<ref bean="eventParser2" />
</list>
</property>
</bean>
<bean id="eventParser1" parent="baseEventParser">
<property name="destination" value="${canal.instance.destination}" />
<property name="slaveId" value="${canal.instance.mysql.slaveId:0}" />
<!-- 心跳配置 -->
<property name="detectingEnable" value="${canal.instance.detecting.enable:false}" />
<property name="detectingSQL" value="${canal.instance.detecting.sql}" />
<property name="detectingIntervalInSeconds" value="${canal.instance.detecting.interval.time:5}" />
<property name="haController">
<bean class="com.alibaba.otter.canal.parse.ha.HeartBeatHAController">
<property name="detectingRetryTimes" value="${canal.instance.detecting.retry.threshold:3}" />
<property name="switchEnable" value="${canal.instance.detecting.heartbeatHaEnable:false}" />
</bean>
</property>
<property name="alarmHandler" ref="alarmHandler" />
<!-- 解析过滤处理 -->
<property name="eventFilter">
<bean class="com.alibaba.otter.canal.filter.aviater.AviaterRegexFilter" >
<constructor-arg index="0" value="${canal.instance.filter.regex:.*..*}" />
</bean>
</property>
<property name="eventBlackFilter">
<bean class="com.alibaba.otter.canal.filter.aviater.AviaterRegexFilter" >
<constructor-arg index="0" value="${canal.instance.filter.black.regex:}" />
<constructor-arg index="1" value="false" />
</bean>
</property>
<!-- 最大事务解析大小，超过该大小后事务将被切分为多个事务投递 -->
<property name="transactionSize" value="${canal.instance.transaction.size:1024}" />
<!-- 网络链接参数 -->
<property name="receiveBufferSize" value="${canal.instance.network.receiveBufferSize:16384}" />
<property name="sendBufferSize" value="${canal.instance.network.sendBufferSize:16384}" />
<property name="defaultConnectionTimeoutInSeconds" value="${canal.instance.network.soTimeout:30}" />
<!-- 解析编码 -->
<!-- property name="connectionCharsetNumber" value="${canal.instance.connectionCharsetNumber:33}" /-->
<property name="connectionCharset" value="${canal.instance.connectionCharset:UTF-8}" />
<!-- 解析位点记录 -->
<property name="logPositionManager">
<bean class="com.alibaba.otter.canal.parse.index.FailbackLogPositionManager">
<constructor-arg>
<bean class="com.alibaba.otter.canal.parse.index.MemoryLogPositionManager" />
</constructor-arg>
<constructor-arg>
<bean class="com.alibaba.otter.canal.parse.index.MetaLogPositionManager">
<constructor-arg ref="metaManager"/>
</bean>
</constructor-arg>
</bean>
</property>
<!-- failover切换时回退的时间 -->
<property name="fallbackIntervalInSeconds" value="${canal.instance.fallbackIntervalInSeconds:60}" />"
<!-- 解析数据库信息 -->
<property name="masterInfo">
<bean class="com.alibaba.otter.canal.parse.support.AuthenticationInfo">
<property name="address" value="${canal.instance.master1.address}" />
<property name="username" value="${canal.instance.dbUsername:retl}" />
<property name="password" value="${canal.instance.dbPassword:retl}" />
<property name="defaultDatabaseName" value="${canal.instance.defaultDatabaseName:test}" />
</bean>
</property>
<property name="standbyInfo">
<bean class="com.alibaba.otter.canal.parse.support.AuthenticationInfo">
<property name="address" value="${canal.instance.standby1.address}" />
<property name="username" value="${canal.instance.dbUsername:retl}" />
<property name="password" value="${canal.instance.dbPassword:retl}" />
<property name="defaultDatabaseName" value="${canal.instance.defaultDatabaseName:test}" />
</bean>
</property>
<!-- 解析起始位点 -->
<property name="masterPosition">
<bean class="com.alibaba.otter.canal.protocol.position.EntryPosition">
<property name="journalName" value="${canal.instance.master1.journal.name}" />
<property name="position" value="${canal.instance.master1.position}" />
<property name="timestamp" value="${canal.instance.master1.timestamp}" />
<property name="gtid" value="${canal.instance.master1.gtid}" />
</bean>
</property>
<property name="standbyPosition">
<bean class="com.alibaba.otter.canal.protocol.position.EntryPosition">
<property name="journalName" value="${canal.instance.standby1.journal.name}" />
<property name="position" value="${canal.instance.standby1.position}" />
<property name="timestamp" value="${canal.instance.standby1.timestamp}" />
<property name="gtid" value="${canal.instance.standby1.gtid}" />
</bean>
</property>
<property name="filterQueryDml" value="${canal.instance.filter.query.dml:false}" />
<property name="filterQueryDcl" value="${canal.instance.filter.query.dcl:false}" />
<property name="filterQueryDdl" value="${canal.instance.filter.query.ddl:false}" />
<property name="useDruidDdlFilter" value="${canal.instance.filter.druid.ddl:true}" />
<property name="filterTableError" value="${canal.instance.filter.table.error:false}" />
<property name="supportBinlogFormats" value="${canal.instance.binlog.format}" />
<property name="supportBinlogImages" value="${canal.instance.binlog.image}" />
<!-- parallel parser -->
<property name="parallel" value="${canal.instance.parser.parallel:true}" />
<property name="parallelThreadSize" value="${canal.instance.parser.parallelThreadSize}" />
<property name="parallelBufferSize" value="${canal.instance.parser.parallelBufferSize:256}" />
</bean>
<bean id="eventParser2" parent="baseEventParser">
<property name="destination" value="${canal.instance.destination}" />
<property name="slaveId" value="${canal.instance.mysql.slaveId:0}" />
<!-- 心跳配置 -->
<property name="detectingEnable" value="${canal.instance.detecting.enable:false}" />
<property name="detectingSQL" value="${canal.instance.detecting.sql}" />
<property name="detectingIntervalInSeconds" value="${canal.instance.detecting.interval.time:5}" />
<property name="haController">
<bean class="com.alibaba.otter.canal.parse.ha.HeartBeatHAController">
<property name="detectingRetryTimes" value="${canal.instance.detecting.retry.threshold:3}" />
<property name="switchEnable" value="${canal.instance.detecting.heartbeatHaEnable:false}" />
</bean>
</property>
<property name="alarmHandler" ref="alarmHandler" />
<!-- 解析过滤处理 -->
<property name="eventFilter">
<bean class="com.alibaba.otter.canal.filter.aviater.AviaterRegexFilter" >
<constructor-arg index="0" value="${canal.instance.filter.regex:.*..*}" />
</bean>
</property>
<property name="eventBlackFilter">
<bean class="com.alibaba.otter.canal.filter.aviater.AviaterRegexFilter" >
<constructor-arg index="0" value="${canal.instance.filter.black.regex:}" />
<constructor-arg index="1" value="false" />
</bean>
</property>
<!-- 最大事务解析大小，超过该大小后事务将被切分为多个事务投递 -->
<property name="transactionSize" value="${canal.instance.transaction.size:1024}" />
<!-- 网络链接参数 -->
<property name="receiveBufferSize" value="${canal.instance.network.receiveBufferSize:16384}" />
<property name="sendBufferSize" value="${canal.instance.network.sendBufferSize:16384}" />
<property name="defaultConnectionTimeoutInSeconds" value="${canal.instance.network.soTimeout:30}" />
<!-- 解析编码 -->
<!-- property name="connectionCharsetNumber" value="${canal.instance.connectionCharsetNumber:33}" /-->
<property name="connectionCharset" value="${canal.instance.connectionCharset:UTF-8}" />
<!-- 解析位点记录 -->
<property name="logPositionManager">
<bean class="com.alibaba.otter.canal.parse.index.FailbackLogPositionManager">
<constructor-arg>
<bean class="com.alibaba.otter.canal.parse.index.MemoryLogPositionManager" />
</constructor-arg>
<constructor-arg>
<bean class="com.alibaba.otter.canal.parse.index.MetaLogPositionManager">
<constructor-arg ref="metaManager"/>
</bean>
</constructor-arg>
</bean>
</property>
<!-- failover切换时回退的时间 -->
<property name="fallbackIntervalInSeconds" value="${canal.instance.fallbackIntervalInSeconds:60}" />
<!-- 解析数据库信息 -->
<property name="masterInfo">
<bean class="com.alibaba.otter.canal.parse.support.AuthenticationInfo">
<property name="address" value="${canal.instance.master2.address}" />
<property name="username" value="${canal.instance.dbUsername:retl}" />
<property name="password" value="${canal.instance.dbPassword:retl}" />
<property name="defaultDatabaseName" value="${canal.instance.defaultDatabaseName:test}" />
</bean>
</property>
<property name="standbyInfo">
<bean class="com.alibaba.otter.canal.parse.support.AuthenticationInfo">
<property name="address" value="${canal.instance.standby2.address}" />
<property name="username" value="${canal.instance.dbUsername:retl}" />
<property name="password" value="${canal.instance.dbPassword:retl}" />
<property name="defaultDatabaseName" value="${canal.instance.defaultDatabaseName:test}" />
</bean>
</property>
<!-- 解析起始位点 -->
<property name="masterPosition">
<bean class="com.alibaba.otter.canal.protocol.position.EntryPosition">
<property name="journalName" value="${canal.instance.master2.journal.name}" />
<property name="position" value="${canal.instance.master2.position}" />
<property name="timestamp" value="${canal.instance.master2.timestamp}" />
<property name="gtid" value="${canal.instance.master2.gtid}" />
</bean>
</property>
<property name="standbyPosition">
<bean class="com.alibaba.otter.canal.protocol.position.EntryPosition">
<property name="journalName" value="${canal.instance.standby2.journal.name}" />
<property name="position" value="${canal.instance.standby2.position}" />
<property name="timestamp" value="${canal.instance.standby2.timestamp}" />
<property name="gtid" value="${canal.instance.standby2.gtid}" />
</bean>
</property>
<property name="filterQueryDml" value="${canal.instance.filter.query.dml:false}" />
<property name="filterQueryDcl" value="${canal.instance.filter.query.dcl:false}" />
<property name="filterQueryDdl" value="${canal.instance.filter.query.ddl:false}" />
<property name="useDruidDdlFilter" value="${canal.instance.filter.druid.ddl:true}" />
<property name="filterRows" value="${canal.instance.filter.rows:false}" />
<property name="filterTableError" value="${canal.instance.filter.table.error:false}" />
<property name="supportBinlogFormats" value="${canal.instance.binlog.format}" />
<property name="supportBinlogImages" value="${canal.instance.binlog.image}" />
<!-- parallel parser -->
<property name="parallel" value="${canal.instance.parser.parallel:true}" />
<property name="parallelThreadSize" value="${canal.instance.parser.parallelThreadSize}" />
<property name="parallelBufferSize" value="${canal.instance.parser.parallelBufferSize:256}" />
</bean>
</beans>

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