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正文
使用canal监控mysql某个库某个表,或者多个库,多个表---- update/inster/create 操作,
系统版本mysql版本java版本canal版本rabbitMQ版本Rocky 9.2MySQL 8.0.26openjdk 11.0.221.1.6rabbitmq-server 3.12.4 mysql 设置搭建
作者使用的mysql设置文件是上述文章内里 { mysql 主从同步 主节点 设置文件 }
MySQL 设置
开启 binlog 首先在 mysql 的设置文件目录中查找设置文件 my.cnf
(mysql假如有主从的话,这一步可略过,canal 在mysql 主库搭建)
- vim my.cnf
- server-id=1 #master端的ID号【必须是唯一的】;
- log\_bin=mysql-bin #同步的日志路径,一定注意这个目录要是mysql有权限写入的
- binlog-format=row #行级,记录每次操作后每行记录的变化。
- mysql 创建canal用户
- CREATE USER canal IDENTIFIED BY 'canal'; #创建用户名和密码都为 canal 的用户
- GRANT SELECT, REPLICATION SLAVE, REPLICATION CLIENT ON *.* TO 'canal'@'%'; #授予该用户对所有数据库和表的查询、复制主节点数据的操作权限
- FLUSH PRIVILEGES; #重新加载权限
复制代码 RabbitMQ 设置
canal软件下载
- ## canal-deploy:
- 可以直接监听MySQL的binlog,把自己伪装成MySQL的从库,只负责接收数据,并不做处理。
- ## canal-admin:
- 为canal提供整体配置管理、节点运维等面向运维的功能,提供相对友好的WebUI操作界面,
- 方便更多用户快速和安全的操作。
- ## canal-adapter:相当于canal的客户端,会从canal-server中获取数据,然后对数据进行同步,
- 可以同步到MySQL、Elasticsearch和HBase等存储中去。在1.1.8版本中 canal-adapter 文件不更新了
- ## canal.example: 示例程序。
- # 组件下载canal-deploy、canal-admin
- wget https://github.com/alibaba/canal/releases/download/canal-1.1.6-alpha-2/canal.deployer-1.1.6-SNAPSHOT.tar.gz
- wget https://github.com/alibaba/canal/releases/download/canal-1.1.6-alpha-2/canal.admin-1.1.6-SNAPSHOT.tar.gz
- wget https://github.com/alibaba/canal/releases/download/canal-1.1.6-alpha-1/canal.example-1.1.6-SNAPSHOT.tar.gz
- 目前环境只用到了 canal-deploy 及 canal-admin
复制代码 https://github.com/alibaba/canal/releases/
情况部署
安装canal-admin
- 安装 java
- yum -y install java
- 安装canal
- 将下载好的安装包 解压到/usr/local/下
- mkdir /usr/local/canal-admin/
- mkdir /usr/local/canal/
- tar -xf canal.deployer-1.1.6-SNAPSHOT.tar.gz -C /usr/local/canal/
- tar -xf canal.admin-1.1.6-SNAPSHOT.tar.gz -C /usr/local/canal-admin/
复制代码 设置情况:
- cd /usr/local/canal-admin/
- vim conf/application.yml
- server:
- port: 8089 #网页访问端口
- spring:
- jackson:
- date-format: yyyy-MM-dd HH:mm:ss
- time-zone: GMT+8
- spring.datasource:
- address: 127.0.0.1:3306 # 数据库端口
- database: canal_manager # canal的数据库
- username: root #数据库账号,这个账号必须有增删改查的权限,因为要往里面写数据。
- password: 123456 # 数据库密码
- driver-class-name: com.mysql.jdbc.Driver
- url: jdbc:mysql://${spring.datasource.address}/${spring.datasource.database}?useUnicode=true&characterEncoding=UTF-8&useSSL=false&allowPublicKeyRetrieval=true
- hikari:
- maximum-pool-size: 30
- minimum-idle: 1
- # canal 这个类似于 api接口使用的 需要和 canal中的conf/canal.properties 对应上
- # canal.properties 中是密文
- canal:
- adminUser: admin
- adminPasswd: admin
- :wq (保存退出)
- # 将canal\_manager库导入到mysql表中
- mysql -uroot -p123456
- source /usr/local/canal-admin/conf/canal_manager.sql
- 导入完成,退出mysql
- 启动 canal-admin
- ./bin/startup.sh
- tail -f logs/admin.log
- 访问:http://IP:8089
- 账号:admin
- 密码:123456 默认
复制代码 安装canal
修改设置一:
- cd /usr/local/canal
- vim conf/canal.properties
- #################################################
- ######### common argument #############
- #################################################
- # tcp bind ip
- canal.ip =
- # register ip to zookeeper
- canal.register.ip =
- # Canal 服务的主要端口,通常用于数据库变更事件的监听和同步。
- canal.port = 11111
- # Canal 用于指标拉取的端口,用于监控和收集指标数据
- canal.metrics.pull.port = 11112
- # canal instance user/passwd
- # canal.user = canal
- # canal.passwd = E3619321C1A937C46A0D8BD1DAC39F93B27D4458
- # canal admin config
- #Canal-admin 访问IP及端口
- #canal.admin.manager = 127.0.0.1:8089
- canal.admin.port = 11110
- # Canal 管理端口,用于管理和配置 Canal 实例。
- canal.admin.user = admin
- # 对应上面application.yml 配置
- # 4ACF~441 则是admin 密文
- # canal.admin.passwd = 6bb4837eb74329105ee4568dda7dc67ed2ca2ad9 123456
- canal.admin.passwd = 4ACFE3202A5FF5CF467898FC58AAB1D615029441
- # admin auto register
- #canal.admin.register.auto = true
- # 是否开启自动注册模式
- #canal.admin.register.cluster =
- #canal.admin.register.name =
- canal.zkServers =
- # flush data to zk
- canal.zookeeper.flush.period = 1000
- canal.withoutNetty = false
- # tcp, kafka, rocketMQ, rabbitMQ
- # 修改为rabbitmq 下来就直接修改最后几条配置即可
- canal.serverMode = rabbitMQ
- # 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
- canal.instance.memory.rawEntry = true
- ## 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
- canal.instance.filter.dml.insert = false
- canal.instance.filter.dml.update = false
- canal.instance.filter.dml.delete = 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 = true
- ## 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 = true
- 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
- # dump snapshot interval, default 24 hour
- canal.instance.tsdb.snapshot.interval = 24
- # purge snapshot expire , default 360 hour(15 days)
- canal.instance.tsdb.snapshot.expire = 360
- #################################################
- ######### destinations #############
- #################################################
- canal.destinations =
- # conf root dir
- canal.conf.dir = ../conf
- # auto scan instance dir add/remove and start/stop instance
- canal.auto.scan = true
- canal.auto.scan.interval = 5
- # set this value to 'true' means that when binlog pos not found, skip to latest.
- # WARN: pls keep 'false' in production env, or if you know what you want.
- canal.auto.reset.latest.pos.mode = false
- 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 = manager
- canal.instance.global.lazy = false
- canal.instance.global.manager.address = ${canal.admin.manager}
- #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
- ##################################################
- ######### MQ Properties #############
- ##################################################
- # aliyun ak/sk , support rds/mq
- canal.aliyun.accessKey =
- canal.aliyun.secretKey =
- canal.aliyun.uid=
- canal.mq.flatMessage = true
- canal.mq.canalBatchSize = 50
- canal.mq.canalGetTimeout = 100
- # Set this value to "cloud", if you want open message trace feature in aliyun.
- canal.mq.accessChannel = local
- canal.mq.database.hash = true
- canal.mq.send.thread.size = 30
- canal.mq.build.thread.size = 8
- ##################################################
- ######### Kafka #############
- ##################################################
- kafka.bootstrap.servers = 127.0.0.1:6667
- kafka.acks = all
- kafka.compression.type = none
- kafka.batch.size = 16384
- kafka.linger.ms = 1
- kafka.max.request.size = 1048576
- kafka.buffer.memory = 33554432
- kafka.max.in.flight.requests.per.connection = 1
- kafka.retries = 0
- kafka.kerberos.enable = false
- kafka.kerberos.krb5.file = "../conf/kerberos/krb5.conf"
- kafka.kerberos.jaas.file = "../conf/kerberos/jaas.conf"
- ##################################################
- ######### RocketMQ #############
- ##################################################
- rocketmq.producer.group = test
- rocketmq.enable.message.trace = false
- rocketmq.customized.trace.topic =
- rocketmq.namespace =
- rocketmq.namesrv.addr = 127.0.0.1:9876
- rocketmq.retry.times.when.send.failed = 0
- rocketmq.vip.channel.enabled = false
- rocketmq.tag =
- ##################################################
- ######### RabbitMQ #############
- ##################################################
- # MQ地址及端口
- rabbitmq.host = 127.0.0.1:5672
- # 虚拟主机
- rabbitmq.virtual.host = canal
- # 交换机名称
- rabbitmq.exchange = ex_canal
- # mq账号
- rabbitmq.username = canal
- # mq 密码
- rabbitmq.password = canal
- # 以上几个值是在MQ中自建的值 如下图示例
- rabbitmq.deliveryMode =
复制代码 修改设置二:
- vim conf/canal_local.properties
- # register ip
- canal.register.ip =
- # canal admin config
- canal.admin.manager = 127.0.0.1:8089
- #Canal-admin 访问IP及端口
- canal.admin.port = 11110
- # Canal 管理端口,用于管理和配置 Canal 实例。
- canal.admin.user = admin
- # 对应上面application.yml 配置
- canal.admin.passwd = 4ACFE3202A5FF5CF467898FC58AAB1D615029441
- # 4ACF~441 则是admin 密文
- #canal.admin.passwd = 6bb4837eb74329105ee4568dda7dc67ed2ca2ad9
- # admin auto register
- canal.admin.register.auto = true
- canal.admin.register.cluster =
- canal.admin.register.name =
复制代码 修改设置三:
- vim conf/example/instance.properties
- #################################################
- ## 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.master.address=127.0.0.1:3306
- # 监控mysql的地址,可以换成其他地址
- canal.instance.master.journal.name=
- canal.instance.master.position=
- canal.instance.master.timestamp=
- canal.instance.master.gtid=
- # rds oss binlog
- canal.instance.rds.accesskey=
- canal.instance.rds.secretkey=
- canal.instance.rds.instanceId=
- # table meta tsdb info
- canal.instance.tsdb.enable=true
- #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.standby.address =
- #canal.instance.standby.journal.name =
- #canal.instance.standby.position =
- #canal.instance.standby.timestamp =
- #canal.instance.standby.gtid=
- # username/password
- canal.instance.dbUsername=canal
- # mysql 账户
- canal.instance.dbPassword=canal
- # mysql 密码
- # 如果账户密码没有,根据上面的命令创建
- canal.instance.connectionCharset = UTF-8
- # enable druid Decrypt database password
- canal.instance.enableDruid=false
- #canal.instance.pwdPublicKey=MFwwDQYJKoZIhvcNAQEBBQADSwAwSAJBALK4BUxdDltRRE5/zXpVEVPUgunvscYFtEip3pmLlhrWpacX7y7GCMo2/JM6LeHmiiNdH1FWgGCpUfircSwlWKUCAwEAAQ==
- # table regex
- # canal.instance.filter.regex=.*\\..*
- # canal.instance.filter.regex=dt\\.orders,dt\\.user,dt\\.user_equity_summary,dt\\.user_statistics,dt\\.user_equity_summary,dt_logs\\..*
- # 如上注释:监控dt库下的orders表,dt库下的user表..... dt_logs库下的所有表
- canal.instance.filter.regex=dt_test\\..*
- # 需要监控的数据库,监控dt_test库下面的所有表
- # table black regex
- # 排除一些不需要同步的数据库表,避免不必要的数据传输和处理,提高性能和效率。
- # 注解:排除mysql库中的slave_.* 开头的表
- canal.instance.filter.black.regex=mysql\\.slave_.*
- # table field filter(format: schema1.tableName1:field1/field2,schema2.tableName2:field1/field2)
- #canal.instance.filter.field=test1.t_product:id/subject/keywords,test2.t_company:id/name/contact/ch
- # table field black filter(format: schema1.tableName1:field1/field2,schema2.tableName2:field1/field2)
- #canal.instance.filter.black.field=test1.t_product:subject/product_image,test2.t_company:id/name/contact/ch
- # mq config
- # 配置 canal.mq.topic 属性,指定 Canal 将数据变更事件发送到消息队列时所使用的主题名称。
- # canal.mq.topic=canal_crm
- # dynamic topic route by schema or table regex
- #canal.mq.dynamicTopic=mytest1.user,topic2:mytest2\\..*,.*\\..*
- #canal.mq.dynamicTopic=dt:dt\\..*,dt:dt_.*\\..*
- # Canal 将根据一定的规则动态生成主题名称,并将数据变更事件发送到对应的动态主题中。
- # 将以 dt_test. 开头的表名映射到MQ名为 canal 的 topic 上,多个已逗号分割,如上
- canal.mq.dynamicTopic=canal:dt_test\\..*
- canal.mq.partition=0
- # hash partition config
- #canal.mq.enableDynamicQueuePartition=false
- #canal.mq.partitionsNum=3
- #canal.mq.dynamicTopicPartitionNum=test.*:4,mycanal:6
- #canal.mq.partitionHash=test.table:id^name,.*\\..*
- #################################################
复制代码 创建rabbitMQ队列及关联关系
网上学习资料一大堆,但假如学到的知识不成体系,遇到问题时只是浅尝辄止,不再深入研究,那么很难做到真正的技能提升。
必要这份系统化的资料的朋侪,可以添加V获取:vip204888 (备注大数据)
一个人可以走的很快,但一群人才能走的更远!不论你是正从事IT行业的老鸟或是对IT行业感兴趣的新人,都接待加入我们的的圈子(技能交流、学习资源、职场吐槽、大厂内推、面试辅导),让我们一起学习发展!
alse
#canal.mq.partitionsNum=3
#canal.mq.dynamicTopicPartitionNum=test.:4,mycanal:6
#canal.mq.partitionHash=test.table:id^name,.\…*
#################################################
- ### 创建rabbitMQ队列及关联关系
- **网上学习资料一大堆,但如果学到的知识不成体系,遇到问题时只是浅尝辄止,不再深入研究,那么很难做到真正的技术提升。**
- **需要这份系统化的资料的朋友,可以添加V获取:vip204888 (备注大数据)**
- [外链图片转存中...(img-sgnhkirt-1713194678435)]
- **一个人可以走的很快,但一群人才能走的更远!不论你是正从事IT行业的老鸟或是对IT行业感兴趣的新人,都欢迎加入我们的的圈子(技术交流、学习资源、职场吐槽、大厂内推、面试辅导),让我们一起学习成长!**
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