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

    

    
        
        
            
        
        
            
        
        
            
        
        
            
        
        
            
        
    

    
    


        
        
        
            
                ${canal.zkServers:127.0.0.1:2181}
            
        
    

    
        
            
                
            
        
        
    

    
        
        
        
        
    

    
        
        
    


        
            
                
                
            
        
    

    
        
        
        
        
        
        
        
            
                
                
            
        

        

        
        
	    
			
		
        
		
	
		
			
			
		
	
        
        

        
        
        
        

        
        
        

        
        
            
                
                    
                
                
                    
                        
                    
                
            
        

        
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