增量同步mysql 数据到elasticsearch canal adapter方式(binlog)实现(从零到一超级详细全面)

栏目: 数据库 · 发布时间: 5年前

内容简介:(1)安装mysql(2)开启mysql binlog row模式,并启动mysql(3)安装jdk

下面是我在单机上面从零到一实现增量同步 mysql 数据到elasticsearch canal adapter方式(binlog)实现

实现步骤

(1)安装mysql

(2)开启mysql binlog row模式,并启动mysql

(3)安装jdk

(4)安装Elasticsearch并启动(我安装的是6.4.0,主要目前canal adapter1.1.3还不支持7.0.0的版本)

(5)安装kibana并启动

(6)安装并启动canal-server

(7)安装并启动canal-adapter

我使用的操作系统是centos7

1、通过yum安装mysql

(1)去官网查看最新的安装包

https://dev.mysql.com/downloa...

(2)下载mysql源安装包

wget http://dev.mysql.com/get/mysql57-community-release-el7-11.noarch.rpm

目前版本已经很高了,但是我使用的是57

安装mysql源

yum -y install mysql57-community-release-el7-11.noarch.rpm

查看效果:

yum repolist enabled | grep mysql.*

增量同步mysql 数据到elasticsearch canal adapter方式(binlog)实现(从零到一超级详细全面)

(3)安装mysql服务器

yum install mysql-community-server

(4)启动mysql服务

systemctl start  mysqld.service

查看mysql服务的状态:

systemctl status mysqld.service

增量同步mysql 数据到elasticsearch canal adapter方式(binlog)实现(从零到一超级详细全面)

(5)查看初始化密码

grep "password" /var/log/mysqld.log

登录:

mysql -u root -p

增量同步mysql 数据到elasticsearch canal adapter方式(binlog)实现(从零到一超级详细全面)

(6)数据库授权(切记这一步一定要做,我为了方便后面使用的都是root账号,没有说新建一个canal账号)

数据库没有授权,只支持localhost本地访问

GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' IDENTIFIED BY '123456' WITH GRANT OPTION;
FLUSH PRIVILEGES;

用户名:root

密码:123456

指向ip:%代表所有Ip,此处也可以输入Ip来指定Ip

2、开启mysql binlog模式

找到my.cnf文件,我本地目录是/etc/my.cnf

添加即可

log-bin=mysql-bin
binlog-format=ROW
server-id=1

增量同步mysql 数据到elasticsearch canal adapter方式(binlog)实现(从零到一超级详细全面)

然后重启mysql,检查一下binlog是否正确启动

show variables like '%log_bin%';

增量同步mysql 数据到elasticsearch canal adapter方式(binlog)实现(从零到一超级详细全面)

3、安装jdk

我装的是jdk版本是1.8.0_202

下载网址:

https://www.oracle.com/techne...

(1)将jdk-8u202-linux-x64.tar.gz放入/usr/local目录

(2)解压缩等一系列处理

tar -xzvf jdk-8u202-linux-x64.tar.gz
mv jdk-8u202-linux-x64 jdk
rm -rf jdk-8u202-linux-x64.tar.gz

命令执行完成之后在/usr/local目录下就会生成一个jdk目录

(3)配置环境变量

vi /etc/profile
增加:
export JAVA_HOME=/usr/local/jdk
export CLASSPATH=.:$JAVA_HOME/lib/tools.jar:$JAVA_HOME/lib/dt.jar
export PATH=$JAVA_HOME/bin:$PATH

(4)检查JDK是否安装成功

java -version

增量同步mysql 数据到elasticsearch canal adapter方式(binlog)实现(从零到一超级详细全面)

4、安装并启动Elasticsearch

官网地址: https://www.elastic.co/downlo...

执行如下命令,对于安装包也可以手动下载之后上传

cd /usr/local
wget https://artifacts.elastic.co/downloads/elasticsearch/elasticsearch-6.4.0-linux-x86_64.tar.gz
tar -xzvf elasticsearch-6.4.0-linux-x86_64.tar.gz
mv elasticsearch-6.4.0-linux-x86_64 elasticsearch
rm -rf elasticsearch-6.4.0-linux-x86_64.tar.gz

命令执行完成之后在/usr/local目录下就会生成一个elasticsearch目录

由于elasticsearch不能使用root账户启动。

下面执行如下命令:

useradd elasticsearch
chown -R elasticsearch /usr/local/elasticsearch
su elasticsearch

使用elasticsearch用户来启动ES

(1)修改 linux 参数

vim /etc/security/limits.conf

增加:

* soft nofile 65536
* hard nofile 65536
* soft nproc 2048
* hard nproc 4096
#锁住swapping因此需要在这个配置文件下再增加两行代码
elasticsearch soft memlock unlimited
elasticsearch hard memlock unlimited
vim /etc/sysctl.conf

增加:

vm.max_map_count=655360
fs.file-max=655360

注意:之后需要执行一句命令sysctl -p使系统配置生效(使用root用户)

(2)修改ES配置文件(我的IP是192.168.254.131,操作时换成自己的IP即可)

vim /usr/local/elasticsearch/config/elasticsearch.yml
# ======================== Elasticsearch Configuration =========================
#
# NOTE: Elasticsearch comes with reasonable defaults for most settings.
#       Before you set out to tweak and tune the configuration, make sure you
#       understand what are you trying to accomplish and the consequences.
#
# The primary way of configuring a node is via this file. This template lists
# the most important settings you may want to configure for a production cluster.
#
# Please consult the documentation for further information on configuration options:
# https://www.elastic.co/guide/en/elasticsearch/reference/index.html
#
# ---------------------------------- Cluster -----------------------------------
#
# Use a descriptive name for your cluster:
#
cluster.name: my-application
#
# ------------------------------------ Node ------------------------------------
#
# Use a descriptive name for the node:
#
node.name: node-1
#
# Add custom attributes to the node:
#
#node.attr.rack: r1
#
# ----------------------------------- Paths ------------------------------------
#
# Path to directory where to store the data (separate multiple locations by comma):
#
path.data: /usr/local/elasticsearch-6.4.0/data
#
# Path to log files:
#
path.logs: /usr/local/elasticsearch-6.4.0/logs
#
# ----------------------------------- Memory -----------------------------------
#
# Lock the memory on startup:
#
#bootstrap.memory_lock: true
#
# Make sure that the heap size is set to about half the memory available
# on the system and that the owner of the process is allowed to use this
# limit.
#
# Elasticsearch performs poorly when the system is swapping the memory.
#
# ---------------------------------- Network -----------------------------------
#
# Set the bind address to a specific IP (IPv4 or IPv6):
#
network.host: 192.168.254.131
#
# Set a custom port for HTTP:
#
http.port: 9200
#
# For more information, consult the network module documentation.
#
# --------------------------------- Discovery ----------------------------------
#
# Pass an initial list of hosts to perform discovery when new node is started:
# The default list of hosts is ["127.0.0.1", "[::1]"]
#
discovery.zen.ping.unicast.hosts: ["192.168.254.131"]
#
# Prevent the "split brain" by configuring the majority of nodes (total number of master-eligible nodes / 2 + 1):
#
#discovery.zen.minimum_master_nodes: 
#
# For more information, consult the zen discovery module documentation.
#
# ---------------------------------- Gateway -----------------------------------
#
# Block initial recovery after a full cluster restart until N nodes are started:
#
#gateway.recover_after_nodes: 3
#
# For more information, consult the gateway module documentation.
#
# ---------------------------------- Various -----------------------------------
#
# Require explicit names when deleting indices:
#
#action.destructive_requires_name: true
transport.tcp.port: 9300
transport.tcp.compress: true
http.cors.enabled: true
http.cors.allow-origin: "*"

(3)启动elasticsearch

cd /usr/local/elasticsearch
./bin/elasticsearch -d

检查是否启动成功:

curl http://192.168.254.131:9200

增量同步mysql 数据到elasticsearch canal adapter方式(binlog)实现(从零到一超级详细全面)

5、安装并启动kibana

官网地址: https://www.elastic.co/downlo...

执行如下命令,对于安装包也可以手动下载之后上传

cd /usr/local
wget https://artifacts.elastic.co/downloads/kibana/kibana-6.4.0-linux-x86_64.tar.gz
tar -xzvf kibana-6.4.0-linux-x86_64.tar.gz
mv kibana-6.4.0-linux-x86_64 kibana
rm -rf kibana-6.4.0-linux-x86_64.tar.gz

命令执行完成之后在/usr/local目录下就会生成一个kibana目录

修改kibana配置文件

vim /usr/local/kibana/config/kibana.yml
# Kibana is served by a back end server. This setting specifies the port to use.
server.port: 5601

# Specifies the address to which the Kibana server will bind. IP addresses and host names are both valid values.
# The default is 'localhost', which usually means remote machines will not be able to connect.
# To allow connections from remote users, set this parameter to a non-loopback address.
server.host: "192.168.254.131"

# Enables you to specify a path to mount Kibana at if you are running behind a proxy.
# Use the `server.rewriteBasePath` setting to tell Kibana if it should remove the basePath
# from requests it receives, and to prevent a deprecation warning at startup.
# This setting cannot end in a slash.
#server.basePath: ""

# Specifies whether Kibana should rewrite requests that are prefixed with
# `server.basePath` or require that they are rewritten by your reverse proxy.
# This setting was effectively always `false` before Kibana 6.3 and will
# default to `true` starting in Kibana 7.0.
#server.rewriteBasePath: false

# The maximum payload size in bytes for incoming server requests.
#server.maxPayloadBytes: 1048576

# The Kibana server's name.  This is used for display purposes.
#server.name: "your-hostname"

# The URL of the Elasticsearch instance to use for all your queries.
elasticsearch.url: "http://192.168.254.131:9200"

# When this setting's value is true Kibana uses the hostname specified in the server.host
# setting. When the value of this setting is false, Kibana uses the hostname of the host
# that connects to this Kibana instance.
#elasticsearch.preserveHost: true

# Kibana uses an index in Elasticsearch to store saved searches, visualizations and
# dashboards. Kibana creates a new index if the index doesn't already exist.
kibana.index: ".kibana6"

# The default application to load.
#kibana.defaultAppId: "home"

# If your Elasticsearch is protected with basic authentication, these settings provide
# the username and password that the Kibana server uses to perform maintenance on the Kibana
# index at startup. Your Kibana users still need to authenticate with Elasticsearch, which
# is proxied through the Kibana server.
#elasticsearch.username: "user"
#elasticsearch.password: "pass"

# Enables SSL and paths to the PEM-format SSL certificate and SSL key files, respectively.
# These settings enable SSL for outgoing requests from the Kibana server to the browser.
#server.ssl.enabled: false
#server.ssl.certificate: /path/to/your/server.crt
#server.ssl.key: /path/to/your/server.key

# Optional settings that provide the paths to the PEM-format SSL certificate and key files.
# These files validate that your Elasticsearch backend uses the same key files.
#elasticsearch.ssl.certificate: /path/to/your/client.crt
#elasticsearch.ssl.key: /path/to/your/client.key

# Optional setting that enables you to specify a path to the PEM file for the certificate
# authority for your Elasticsearch instance.
#elasticsearch.ssl.certificateAuthorities: [ "/path/to/your/CA.pem" ]

# To disregard the validity of SSL certificates, change this setting's value to 'none'.
#elasticsearch.ssl.verificationMode: full

# Time in milliseconds to wait for Elasticsearch to respond to pings. Defaults to the value of
# the elasticsearch.requestTimeout setting.
#elasticsearch.pingTimeout: 1500

# Time in milliseconds to wait for responses from the back end or Elasticsearch. This value
# must be a positive integer.
#elasticsearch.requestTimeout: 30000

# List of Kibana client-side headers to send to Elasticsearch. To send *no* client-side
# headers, set this value to [] (an empty list).
#elasticsearch.requestHeadersWhitelist: [ authorization ]

# Header names and values that are sent to Elasticsearch. Any custom headers cannot be overwritten
# by client-side headers, regardless of the elasticsearch.requestHeadersWhitelist configuration.
#elasticsearch.customHeaders: {}

# Time in milliseconds for Elasticsearch to wait for responses from shards. Set to 0 to disable.
#elasticsearch.shardTimeout: 30000

# Time in milliseconds to wait for Elasticsearch at Kibana startup before retrying.
#elasticsearch.startupTimeout: 5000

# Logs queries sent to Elasticsearch. Requires logging.verbose set to true.
#elasticsearch.logQueries: false

# Specifies the path where Kibana creates the process ID file.
#pid.file: /var/run/kibana.pid

# Enables you specify a file where Kibana stores log output.
#logging.dest: stdout

# Set the value of this setting to true to suppress all logging output.
#logging.silent: false

# Set the value of this setting to true to suppress all logging output other than error messages.
#logging.quiet: false

# Set the value of this setting to true to log all events, including system usage information
# and all requests.
#logging.verbose: false

# Set the interval in milliseconds to sample system and process performance
# metrics. Minimum is 100ms. Defaults to 5000.
#ops.interval: 5000

# The default locale. This locale can be used in certain circumstances to substitute any missing
# translations.
#i18n.defaultLocale: "en"

启动kibana

cd /usr/local/kibana
nohup ./bin/kibana &

检查是否启动成功

在浏览器中打开 http://192.168.254.131 :5601

增量同步mysql 数据到elasticsearch canal adapter方式(binlog)实现(从零到一超级详细全面)

6、安装并启动canal-server

详情请查询官网文档:

https://github.com/alibaba/ca...

(1)下载canal

直接下载

访问:https://github.com/alibaba/canal/releases ,会列出所有历史的发布版本包 下载方式,比如以1.0.17版本为例子:
wget https://github.com/alibaba/canal/releases/download/canal-1.1.3/canal.deployer-1.1.3.tar.gz
or

自己编译

git clone git@github.com:alibaba/canal.git
cd canal; 
mvn clean install -Dmaven.test.skip -Denv=release
编译完成后,会在根目录下产生target/canal.deployer-$version.tar.gz

(2)解压缩

mkdir /usr/local/canal
tar zxvf canal.deployer-$version.tar.gz  -C /usr/local/canal

(3)修改配置

cd /usr/local/canal
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=192.168.254.131:3306
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=root
canal.instance.dbPassword=123456
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=.*\\..*
# table black regex
canal.instance.filter.black.regex=

# mq config
canal.mq.topic=example
# dynamic topic route by schema or table regex
#canal.mq.dynamicTopic=mytest1.user,mytest2\\..*,.*\\..*
canal.mq.partition=0
# hash partition config
#canal.mq.partitionsNum=3
#canal.mq.partitionHash=test.table:id^name,.*\\..*
#################################################

(4)启动canal-server

cd /usr/local/canal
./bin/startup.sh
cat logs/canal/canal.log

2019-05-03 10:58:31.938 [main] INFO  com.alibaba.otter.canal.deployer.CanalLauncher - ## set default uncaught exception handler
2019-05-03 10:58:32.106 [main] INFO  com.alibaba.otter.canal.deployer.CanalLauncher - ## load canal configurations
2019-05-03 10:58:32.120 [main] INFO  c.a.o.c.d.monitor.remote.RemoteConfigLoaderFactory - ## load local canal configurations
2019-05-03 10:58:32.143 [main] INFO  com.alibaba.otter.canal.deployer.CanalStater - ## start the canal server.
2019-05-03 10:58:32.277 [main] INFO  com.alibaba.otter.canal.deployer.CanalController - ## start the canal server[192.168.254.131:11111]
2019-05-03 10:58:34.235 [main] WARN  o.s.beans.GenericTypeAwarePropertyDescriptor - Invalid JavaBean property 'connectionCharset' being accessed! Ambiguous write methods found next to actually used [public void com.alibaba.otter.canal.parse.inbound.mysql.AbstractMysqlEventParser.setConnectionCharset(java.lang.String)]: [public void com.alibaba.otter.canal.parse.inbound.mysql.AbstractMysqlEventParser.setConnectionCharset(java.nio.charset.Charset)]
2019-05-03 10:58:35.470 [main] ERROR com.alibaba.druid.pool.DruidDataSource - testWhileIdle is true, validationQuery not set
2019-05-03 10:58:36.317 [main] WARN  c.a.o.canal.parse.inbound.mysql.dbsync.LogEventConvert - --> init table filter : ^.*\..*$
2019-05-03 10:58:36.317 [main] WARN  c.a.o.canal.parse.inbound.mysql.dbsync.LogEventConvert - --> init table black filter :
2019-05-03 10:58:37.106 [main] INFO  com.alibaba.otter.canal.deployer.CanalStater - ## the canal server is running now ......
2019-05-03 10:58:37.239 [destination = example , address = /192.168.254.131:3306 , EventParser] WARN  c.a.o.c.p.inbound.mysql.rds.RdsBinlogEventParserProxy - ---> begin to find start position, it will be long time for reset or first position
2019-05-03 10:58:37.241 [destination = example , address = /192.168.254.131:3306 , EventParser] WARN  c.a.o.c.p.inbound.mysql.rds.RdsBinlogEventParserProxy - prepare to find start position by switch ::1556597413000
2019-05-03 10:58:39.239 [destination = example , address = /192.168.254.131:3306 , EventParser] WARN  c.a.o.c.p.inbound.mysql.rds.RdsBinlogEventParserProxy - ---> find start position successfully, EntryPosition[included=false,journalName=mysql-bin.000004,position=4450,serverId=1,gtid=,timestamp=1556596874000] cost : 1915ms , the next step is binlog dump

7、安装并启动canal-adapter

(1)下载canal-adapter

访问:https://github.com/alibaba/canal/releases ,会列出所有历史的发布版本包 下载方式,比如以1.0.17版本为例子:
wget https://github.com/alibaba/canal/releases/download/canal-1.1.3/canal.adapter-1.1.3.tar.gz

(2)解压缩

mkdir /usr/local/canal-adapter
tar canal.adapter-1.1.3.tar.gz  -C /usr/local/canal-adapter

(3)修改配置

cd /usr/local/canal-adapter
vim conf/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 # kafka rocketMQ
  canalServerHost: 192.168.254.131:11111
#  zookeeperHosts: slave1:2181
#  mqServers: 127.0.0.1:9092 #or rocketmq
#  flatMessage: true
  batchSize: 500
  syncBatchSize: 1000
  retries: 0
  timeout:
  accessKey:
  secretKey:
  srcDataSources:
    defaultDS:
      url: jdbc:mysql://192.168.254.131:3306/mytest?useUnicode=true
      username: root
      password: 123456
  canalAdapters:
  - instance: example # canal instance Name or mq topic name
    groups:
    - groupId: g1
      outerAdapters:
      - name: logger
#      - name: rdb
#        key: mysql1
#        properties:
#          jdbc.driverClassName: com.mysql.jdbc.Driver
#          jdbc.url: jdbc:mysql://127.0.0.1:3306/mytest2?useUnicode=true
#          jdbc.username: root
#          jdbc.password: 121212
#      - name: rdb
#        key: oracle1
#        properties:
#          jdbc.driverClassName: oracle.jdbc.OracleDriver
#          jdbc.url: jdbc:oracle:thin:@localhost:49161:XE
#          jdbc.username: mytest
#          jdbc.password: m121212
#      - name: rdb
#        key: postgres1
#        properties:
#          jdbc.driverClassName: org.postgresql.Driver
#          jdbc.url: jdbc:postgresql://localhost:5432/postgres
#          jdbc.username: postgres
#          jdbc.password: 121212
#          threads: 1
#          commitSize: 3000
#      - name: hbase
#        properties:
#          hbase.zookeeper.quorum: 127.0.0.1
#          hbase.zookeeper.property.clientPort: 2181
#          zookeeper.znode.parent: /hbase
      - name: es
        hosts: 192.168.254.131:9300
        properties:
          cluster.name: my-application
vim conf/es/mytest_user.yml
dataSourceKey: defaultDS
destination: example
groupId: g1
esMapping:
  _index: mytest_user
  _type: _doc
  _id: _id
  upsert: true
#  pk: id
  sql: "select a.id as _id, a.name, a.role_id, a.c_time from user a"
#  objFields:
#    _labels: array:;
#  etlCondition: "where a.c_time>='{0}'"
  commitBatch: 3000

(4)先创建mysql表user以及索引mytest_user,否则启动canal-adapter会报错

create database mytest;
use mytest;
create table user (
  `id` int(10) NOT NULL,
  `name` varchar(100) DEFAULT NULL,
  `role_id` int(10) NOT NULL,
  `c_time` timestamp NULL DEFAULT CURRENT_TIMESTAMP,
  `c_utime` timestamp NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
  PRIMARY KEY (`id`)
);
PUT /mytest_user
{
  "mappings": {
    "_doc": {
      "properties": {
        "name": {
          "type": "text",
          "fields": {
            "keyword": {
              "type": "keyword"
            }
          }
        },
        "role_id": {
          "type": "long"
        },
        "c_time": {
          "type": "date"
        }
      }
    }
  }
}

(5)启动canal-adapter

cd /usr/local/canal-adapter
./bin/startup.sh

查看日志:

cat logs/adapter/adapter.log

(6)测试是否增量同步数据成功

没有数据更新前

GET /mytest_user/_search
{
  "took": 1,
  "timed_out": false,
  "_shards": {
    "total": 5,
    "successful": 5,
    "skipped": 0,
    "failed": 0
  },
  "hits": {
    "total": 0,
    "max_score": null,
    "hits": []
  }
}

插入一条数据:

insert user(id, name, role_id) values(7, "test", 7);
GET /mytest_user/_doc/7
{
  "_index": "mytest_user",
  "_type": "_doc",
  "_id": "7",
  "_version": 1,
  "found": true,
  "_source": {
    "name": "test",
    "role_id": 7,
    "c_time": "2019-05-04T06:11:31-05:00"
  }
}

更新一条数据:

update user set name = 'zhengguo' where id = 7;
GET /mytest_user/_doc/7
{
  "_index": "mytest_user",
  "_type": "_doc",
  "_id": "7",
  "_version": 2,
  "found": true,
  "_source": {
    "name": "zhengguo",
    "role_id": 7,
    "c_time": "2019-05-04T06:11:31-05:00"
  }
}

删除一条数据:

delete from user where id = 7;
GET /mytest_user/_doc/7
{
  "_index": "mytest_user",
  "_type": "_doc",
  "_id": "7",
  "found": false
}

可以看到操作都成功了。

遇到的一个坑

之后可能canal会优化掉

目前如果使用adapter1.1.3增量同步的话,如果Elasticsearch的版本是7.X.X的,那么在数据增量同步的时候,会报ESSyncService - sync error, es index: mytest_user, DML : Dml{destination='example', database='mytest', table='user', type='INSERT', es=1556597413000, ts=1556597414139, sql='', data=[{id=4, name=junge, role_id=4, c_time=2019-04-30 00:10:13.0, c_utime=2019-04-30 00:10:13.0}], old=null} ERROR c.a.o.canal.adapter.launcher.loader.CanalAdapterWorker - NoNodeAvailableException[None of the configured nodes are available: [{#transport#-1}{lTIHs6ZsTe-PqHs9CToQYQ}{192.168.254.131}{192.168.254.131:9300}]] 无法连接ES的错误。

也就是目前还不支持7版本的增量同步。更换成6.X.X就OK了。

增量同步mysql 数据到elasticsearch canal adapter方式(binlog)实现(从零到一超级详细全面)


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