canal-server 1.1.6
canal-adapter 1.1.5(因为之前试过1.1.6也不能增量实时同步，所以降到1.1.5)
mysql：8.x

<----------------application.yml--------------------->
server:
port: 8081
spring:
jackson:
date-format: yyyy-MM-dd HH:mm:ss
time-zone: GMT+8
default-property-inclusion: non_null

canal.conf:
mode: tcp
batchSize: 500
syncBatchSize: 1000
retries: 30
flatMessage: true
consumerProperties:
canal.tcp.server.host: 127.0.0.1:11111
canal.tcp.batch.size: 500
canal.tcp.zookeeper.hosts:
canal.tcp.username:
canal.tcp.password:
srcDataSources:
defaultDS:
url: jdbc:mysql://127.0.0.1:3306/ry_vue?useUnicode=true
username: canal
password: canal
canalAdapters:

• instance: cc
  groups:

• groudId: mygroup
  outerAdapters:

• name: logger

• name: rdb
  key: mykey
  properties:
  jdbc.driverClassName: com.mysql.cj.jdbc.Driver
  jdbc.url: jdbc:mysql://172.22.20.7:3306/ry_vue?useUnicode=true
  jdbc.username: root
  jdbc.password: 123456
  threads: 5

<-----------------------------------rdb目录下的配置文件------>
dataSourceKey: defaultDS
destination: cc
groupId: mygroup
outerAdapterKey: mykey
concurrent: true
dbMapping:
database: ry_vue
table: sys_notice
targetTable: sys_notice
targetPk:
notice_id: notice_id
mapAll: true
commitBatch: 1000 # 批量提交的大小