本文主要是介绍canal +RocketMQ实现MySQL与ElasticSearch数据同步,希望对大家解决编程问题提供一定的参考价值,需要的开发者们随着小编来一起学习吧!
1.引言
在很多业务情况下,我们都会在系统中引入ElasticSearch
搜索引擎作为做全文检索的优化方案。
如果数据库数据发生更新,这时候就需要在业务代码中写一段同步更新ElasticSearch
的代码。
这种数据同步的代码跟业务代码耦合性非常高,并且使得代码的可读性降低,于是乎,我们能不能把这些数据同步的代码抽出来形成一个独立的模块呢?肯定是可以的。
下面我会以一个CMS文章管理
为例来演示canal
+RocketMQ
实现MySQL
与ElasticSearch
数据同步。
2.技术栈
如果你还对SpringBoot
、canal
、RocketMQ
、MySQL
、ElasticSearch
不是很了解的话,这里我为大家整理个它们的官网网站,如下
-
SpringBoot:https://spring.io/projects/spring-boot
-
canal :https://github.com/alibaba/canal
-
RocketMQ:http://rocketmq.apache.org/
-
MySQL:https://www.mysql.com/
-
ElasticSearch:https://www.elastic.co/cn/elasticsearch/
这里主要介绍一下canal,其他的自行学习。
2.1 canal定义
canal
[kə’næl],译意为水道/管道/沟渠,主要用途是基于 MySQL 数据库增量日志解析,提供增量数据订阅和消费.。
2.2 canal工作原理
- canal 模拟 MySQL slave 的交互协议,伪装自己为 MySQL slave ,向 MySQL master 发送 dump 协议
- MySQL master 收到 dump 请求,开始推送 binary log 给 slave (即 canal )
- canal 解析 binary log 对象(原始为 byte 流)
2.3 架构
说明:
- server代表一个canal运行实例,对应于一个jvm
- instance对应于一个数据队列 (1个server对应1…n个instance)
instance模块:
- eventParser (数据源接入,模拟slave协议和master进行交互,协议解析)
- eventSink (Parser和Store链接器,进行数据过滤,加工,分发的工作)
- eventStore (数据存储)
- metaManager (增量订阅&消费信息管理器)
到这里我们对canal
有了一个初步的认识,接下我们就进入实战环节。
3.环境准备
3.1 MySQL 配置
对于自建 MySQL
, 需要先开启 Binlog
写入功能,配置binlog-format
为ROW
模式,my.cnf 中配置如下
[mysqld]
log-bin=mysql-bin # 开启 binlog
binlog-format=ROW # 选择 ROW 模式
server_id=1 # 配置 MySQL replaction 需要定义,不要和 canal 的 slaveId 重复
**注意:**针对阿里云 RDS for MySQL
, 默认打开了 binlog , 并且账号默认具有 binlog dump 权限 , 不需要任何权限或者 binlog 设置,可以直接跳过这一步
授权canal
连接 MySQL 账号具有作为 MySQL slave
的权限, 如果已有账户可直接 使用grant 命令授权。
#创建用户名和密码都为canal
CREATE USER canal IDENTIFIED BY 'canal';
GRANT SELECT, REPLICATION SLAVE, REPLICATION CLIENT ON *.* TO 'canal'@'%';
FLUSH PRIVILEGES;
3.2 canal的安装和配置
3.2.1 canal.admin安装和配置
canal提供web ui 进行Server管理、Instance管理。
3.2.1.1 下载 canal.admin, 访问 release 页面 , 选择需要的包下载, 如以 1.1.4版本为例
wget https://github.com/alibaba/canal/releases/download/canal-1.1.4/canal.admin-1.1.4.tar.gz
3.2.1.2 解压完成可以看到如下结构:
我们先配置canal.admin之后。通过web ui来配置 cancal server,这样使用界面操作非常的方便。
3.2.1.3 配置修改
vi conf/application.yml
server:port: 8089
spring:jackson:date-format: yyyy-MM-dd HH:mm:sstime-zone: GMT+8spring.datasource:address: 127.0.0.1:3306database: canal_managerusername: canalpassword: canaldriver-class-name: com.mysql.jdbc.Driverurl: jdbc:mysql://${spring.datasource.address}/${spring.datasource.database}?useUnicode=true&characterEncoding=UTF-8&useSSL=falsehikari:maximum-pool-size: 30minimum-idle: 1canal:adminUser: adminadminPasswd: admin
3.2.1.4 初始化元数据库
初始化元数据库
mysql -h127.1 -uroot -p# 导入初始化SQL
> source conf/canal_manager.sql
-
初始化SQL脚本里会默认创建canal_manager的数据库,建议使用root等有超级权限的账号进行初始化
-
canal_manager.sql默认会在conf目录下,也可以通过链接下载
canal_manager.sql
3.2.1.5 启动
sh bin/startup.sh
3.2.1.6 启动成功,使用浏览器输入http://ip:8089/ 会跳转到登录界面
使用用户名:admin 密码为:123456 登录
登录成功,会自动跳转到如下界面。这时候我们的canal.admin就搭建成功了。
3.2.2 下载 canal.deployer, 访问 release 页面 , 选择需要的包下载, 如以 1.1.4版本为例
wget https://github.com/alibaba/canal/releases/download/canal-1.1.4/canal.deployer-1.1.4.tar.gz
解压完成可以看到如下结构:
进入conf 目录。可以看到如下的配置文件。
我们先对canal.properties
不做任何修改。
使用canal_local.properties
的配置覆盖canal.properties
# register ip
canal.register.ip =# canal admin config
canal.admin.manager = 127.0.0.1:8089
canal.admin.port = 11110
canal.admin.user = admin
canal.admin.passwd = 4ACFE3202A5FF5CF467898FC58AAB1D615029441
# admin auto register
canal.admin.register.auto = true
canal.admin.register.cluster =
使用如下命令启动canal server
sh bin/startup.sh local
启动成功。同时我们在canal.admin web ui中刷新 server 管理,可以到canal server 已经启动成功。
这时候我们的canal.server 搭建已经成功。
3.2.3 在canal admin ui 中配置Instance管理
3.2.3.1 新建 Instance
选择Instance 管理-> 新建Instance
填写 Instance名称:cms_article
选择 选择所属主机集群
选择 载入模板
修改默认信息
#mysql serverId
canal.instance.mysql.slaveId = 1234
#position info,需要改成自己的数据库信息
canal.instance.master.address = 127.0.0.1:3306
canal.instance.master.journal.name =
canal.instance.master.position =
canal.instance.master.timestamp =
#canal.instance.standby.address =
#canal.instance.standby.journal.name =
#canal.instance.standby.position =
#canal.instance.standby.timestamp =
#username/password,需要改成自己的数据库信息
canal.instance.dbUsername = canal
canal.instance.dbPassword = canal
#改成自己的数据库信息(需要监听的数据库)
canal.instance.defaultDatabaseName = cms-manage
canal.instance.connectionCharset = UTF-8
#table regex 需要过滤的表 这里数据库的中所有表
canal.instance.filter.regex = .\*\\..\*# MQ 配置 日志数据会发送到cms_article这个topic上
canal.mq.topic=cms_article
# dynamic topic route by schema or table regex
#canal.mq.dynamicTopic=mytest1.user,mytest2\\..*,.*\\..*
#单分区处理消息
canal.mq.partition=0
我们这里为了演示之创建一张表。
配置好之后,我需要点击保存。此时在Instances 管理中就可以看到此时的实例信息。
3.2.4 修改canal server 的配置文件,选择消息队列处理binlog
canal 1.1.1版本之后, 默认支持将canal server接收到的binlog数据直接投递到MQ, 目前默认支持的MQ系统有:
- kafka: https://github.com/apache/kafka
- RocketMQ : https://github.com/apache/rocketmq
本案例以RocketMQ
为例
我们仍然使用web ui 界面操作。点击 server 管理 - > 点击配置
修改配置文件
# ...
# 可选项: tcp(默认), kafka, RocketMQ
canal.serverMode = RocketMQ
# ...
# kafka/rocketmq 集群配置: 192.168.1.117:9092,192.168.1.118:9092,192.168.1.119:9092
canal.mq.servers = 192.168.0.200:9078
canal.mq.retries = 0
# flagMessage模式下可以调大该值, 但不要超过MQ消息体大小上限
canal.mq.batchSize = 16384
canal.mq.maxRequestSize = 1048576
# flatMessage模式下请将该值改大, 建议50-200
canal.mq.lingerMs = 1
canal.mq.bufferMemory = 33554432
# Canal的batch size, 默认50K, 由于kafka最大消息体限制请勿超过1M(900K以下)
canal.mq.canalBatchSize = 50
# Canal get数据的超时时间, 单位: 毫秒, 空为不限超时
canal.mq.canalGetTimeout = 100
# 是否为flat json格式对象
canal.mq.flatMessage = false
canal.mq.compressionType = none
canal.mq.acks = all
# kafka消息投递是否使用事务
canal.mq.transaction = false
修改好之后保存。会自动重启。
此时我们就可以在rocketmq的控制台看到一个cms_article topic已经自动创建了。
3.2.5 配置ElasticSearch启动
这里我使用的ElasticSearch 6.6.1
es 启动成功了。
我们使用 elasticsearch-head 连接是可以看到节点信息。一会我们就使用 elasticsearch-head 查询es中数据。
4.代码实战
4.1 创建一个springboot 项目
项目结构如下:
4.2 pom.xml文件
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"><parent><artifactId>rockmq-samples</artifactId><groupId>com.lidong.rocketmq</groupId><version>1.0.0</version></parent><modelVersion>4.0.0</modelVersion><artifactId>springboot-canal-rocketmq-es</artifactId><properties><java.version>1.8</java.version><project.build.sourceEncoding>UTF-8</project.build.sourceEncoding><project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding><spring-boot.version>2.2.5.RELEASE</spring-boot.version></properties><dependencies><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-web</artifactId></dependency><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-test</artifactId></dependency><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-data-elasticsearch</artifactId></dependency><dependency><groupId>org.apache.rocketmq</groupId><artifactId>rocketmq-spring-boot-starter</artifactId><version>2.0.4</version></dependency></dependencies><dependencyManagement><dependencies><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-dependencies</artifactId><version>${spring-boot.version}</version><type>pom</type><scope>import</scope></dependency></dependencies></dependencyManagement><build><plugins><plugin><groupId>org.apache.maven.plugins</groupId><artifactId>maven-compiler-plugin</artifactId><version>3.8.1</version><configuration><source>1.8</source><target>1.8</target><encoding>UTF-8</encoding></configuration></plugin><plugin><groupId>org.springframework.boot</groupId><artifactId>spring-boot-maven-plugin</artifactId><version>2.3.0.RELEASE</version><configuration><mainClass>com.lidong.RocketmqSyncSamplesApplication</mainClass></configuration><executions><execution><id>repackage</id><goals><goal>repackage</goal></goals></execution></executions></plugin></plugins></build></project>
- spring-boot-starter-data-elasticsearch:操作es依赖库
- rocketmq-spring-boot-starter:操作rocketmq依赖库
其他就不过多介绍了。大家一看就明白了。
4.3 application的配置
server:port: 8085
rocketmq:name-server: localhost:9876
spring:data:elasticsearch:cluster-nodes: localhost:9300cluster-name: my-applicationrepositories:enabled: true
- rocketmq.name-server : rocketmq的namesver
- spring.data.elasticsearch.cluster-nodes :es 节点地址
- spring.data.elasticsearch.cluster-name: es节点集群名称
- spring.data.elasticsearch.repositories.enabled :开启es仓库使用
4.4 创建es操作的实体类和仓库类
4.4.1 EsCmsArticle实体类
package com.lidong.canal.es.entity;
import org.springframework.data.annotation.Id;
import org.springframework.data.elasticsearch.annotations.Document;
import java.io.Serializable;
import java.util.Date;/*** 文章详情** String indexName();//索引库的名称,个人建议以项目的名称命名* String type() default "";//类型,个人建议以实体的名称命名* short shards() default 5;//默认分区数* short replicas() default 1;//每个分区默认的备份数* String refreshInterval() default "1s";//刷新间隔* String indexStoreType() default "fs";//索引文件存储类型***/@Document(indexName = "canal-rocketmq-es", type = "cms-article")
public class EsCmsArticle implements Serializable {@Idprivate Long courseId;/** 标题 */private String title;/** 摘要 */private String abstractX;/** 内容 */private String content;/** 年龄段 */private String ageRange;/** 图片 */private String image;/** 查看次数 */private Long viewNumber;/** 作者 */private String author;/** 来源 */private String source;/** 所属分类 */private Long classId;/** 关键字 */private String keyWords;/** 描述 */private String description;/** 文章url */private String url;/*** 文章状态*/private Integer status;/*** 创建时间*/private Date createTime;/*** 修改时间*/private Date updateTime;public void setCourseId(Long courseId){this.courseId = courseId;}public Long getCourseId(){return courseId;}public void setTitle(String title){this.title = title;}public String getTitle(){return title;}public void setAbstractX(String abstractX){this.abstractX = abstractX;}public String getAbstractX(){return abstractX;}public void setContent(String content){this.content = content;}public String getContent(){return content;}public void setAgeRange(String ageRange){this.ageRange = ageRange;}public String getAgeRange(){return ageRange;}public void setImage(String image){this.image = image;}public String getImage(){return image;}public void setViewNumber(Long viewNumber){this.viewNumber = viewNumber;}public Long getViewNumber(){return viewNumber;}public void setAuthor(String author){this.author = author;}public String getAuthor(){return author;}public void setSource(String source){this.source = source;}public String getSource(){return source;}public void setClassId(Long classId){this.classId = classId;}public Long getClassId(){return classId;}public void setKeyWords(String keyWords){this.keyWords = keyWords;}public String getKeyWords(){return keyWords;}public void setDescription(String description){this.description = description;}public String getDescription(){return description;}public void setUrl(String url){this.url = url;}public String getUrl(){return url;}public Integer getStatus() {return status;}public void setStatus(Integer status) {this.status = status;}public Date getCreateTime() {return createTime;}public void setCreateTime(Date createTime) {this.createTime = createTime;}public Date getUpdateTime() {return updateTime;}public void setUpdateTime(Date updateTime) {this.updateTime = updateTime;}@Overridepublic String toString() {return "CmsArticle{" +"courseId=" + courseId +", title='" + title + '\'' +", abstractX='" + abstractX + '\'' +", content='" + content + '\'' +", ageRange='" + ageRange + '\'' +", image='" + image + '\'' +", viewNumber=" + viewNumber +", author='" + author + '\'' +", source='" + source + '\'' +", classId=" + classId +", keyWords='" + keyWords + '\'' +", description='" + description + '\'' +", url='" + url + '\'' +", status=" + status +", createTime=" + createTime +", updateTime=" + updateTime +'}';}
}
4.4.2 CmsArticleRepository 仓库类
package com.lidong.canal.rocketmq;import com.alibaba.fastjson.JSON;
import com.lidong.canal.bean.CanalBean;
import com.lidong.canal.bean.CmsArticle;
import com.lidong.canal.es.entity.EsCmsArticle;
import com.lidong.canal.es.repository.CmsArticleRepository;
import org.apache.rocketmq.spring.annotation.ConsumeMode;
import org.apache.rocketmq.spring.annotation.MessageModel;
import org.apache.rocketmq.spring.annotation.RocketMQMessageListener;
import org.apache.rocketmq.spring.core.RocketMQListener;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;import java.util.List;
import java.util.Optional;@Component
@RocketMQMessageListener(topic = "cms_article",consumerGroup = "cms-article",selectorExpression = "*",consumeMode = ConsumeMode.ORDERLY,messageModel = MessageModel.CLUSTERING,consumeThreadMax = 1
)
public class SpringConsumer implements RocketMQListener<String> {private Logger logger = LoggerFactory.getLogger(SpringConsumer.class.getSimpleName());@AutowiredCmsArticleRepository cmsArticleRepository;/*** 实现方式很简单吧,但是你也看见了代码中就没有消息能够消费是否成功后的确认方式,因为实现的onMessage()方法是个void的,还好看过原始的rocketmq的消费者实现方式,也就是rocketmq-client.jar的实现,它是MessageListener.java类来实现消息监听接收的,而它有2个继承接口类MessageListenerConcurrently.java和MessageListenerOrderly.java,这样就好找了,直接收一下这2个接口的实现类,乖乖,果然找到了在rocket-spring-boot的jar里面,就是DefaultRocketMQListenerContainer.java这个类,看下其中一个实现*** @param msg*/@Overridepublic void onMessage(String msg) {System.out.println("接收到消息 -> " + msg);CanalBean canalBean = JSON.parseObject(msg, CanalBean.class);String table = canalBean.getTable();System.out.println(table.toString());String type = canalBean.getType();System.out.println(type);List<CmsArticle> data = canalBean.getData();data.stream().forEach(tbTest -> {EsCmsArticle esCmsArticle = new EsCmsArticle();System.out.println(tbTest.toString());if ("UPDATE".equals(type) && "cms_article".equals(table)) {Optional<EsCmsArticle> article = cmsArticleRepository.findById(tbTest.getCourseId());if (article.isPresent()) {EsCmsArticle cmsArticle = article.get();BeanUtils.copyProperties(tbTest, cmsArticle);cmsArticleRepository.save(cmsArticle);logger.info("id = {} 编辑es成功", cmsArticle.getCourseId());} else {BeanUtils.copyProperties(tbTest, esCmsArticle);cmsArticleRepository.save(esCmsArticle);logger.info("id = {} 添加es成功", esCmsArticle.getCourseId());}} else if ("INSERT".equals(type) && "cms_article".equals(table)) {BeanUtils.copyProperties(tbTest, esCmsArticle);cmsArticleRepository.save(esCmsArticle);logger.info("id = {} 添加es成功", esCmsArticle.getCourseId());}});}
}
4.6 SpringBootApplication启动类
package com.lidong.canal;import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;@SpringBootApplication
public class RocketmqToEsSamplesApplication {public static void main(String[] args) {SpringApplication.run(RocketmqToEsSamplesApplication.class, args);}}
4.7 CanalBean类 接收mq的数据实体
public class CanalBean implements Serializable {//数据private List<CmsArticle> data;//数据库名称private String database;private long es;//递增,从1开始private int id;//是否是DDL语句private boolean isDdl;//表结构的字段类型private MysqlType mysqlType;//UPDATE语句,旧数据private List<CmsArticle> old;//主键名称private List<String> pkNames;//sql语句private String sql;private SqlType sqlType;//表名private String table;private long ts;//(新增)INSERT、(更新)UPDATE、(删除)DELETE、(删除表)ERASE等等private String type;//get set ...
public class MysqlType implements Serializable {private String id;private String commodity_name;private String commodity_price;private String number;private String description;
//get set..
public class SqlType implements Serializable {private int id;private int commodity_name;private int commodity_price;private int number;private int description;//get set..
}
package com.lidong.canal.bean;import java.io.Serializable;
import java.util.Date;public class CmsArticle implements Serializable {/** $column.columnComment */private Long courseId;/** 标题 */private String title;/** 摘要 */private String abstractX;/** 内容 */private String content;/** 年龄段 */private String ageRange;/** 图片 */private String image;/** 查看次数 */private Long viewNumber;/** 作者 */private String author;/** 来源 */private String source;/** 所属分类 */private Long classId;/** 关键字 */private String keyWords;/** 描述 */private String description;/** 文章url */private String url;/*** 文章状态*/private Integer status;/*** 创建时间*/private Date createTime;/*** 修改时间*/private Date updateTime;
}
5测试
5.1准备两条sql语句(一条添加 一条修改)
INSERT INTO `cms-manage`.`cms_article` (`title`, `abstract_x`, `content`, `age_range`, `image`, `create_time`, `update_time`, `view_number`, `author`, `source`, `class_id`, `description`, `key_words`, `url`, `status`) VALUES ( '2018腾讯网”', '2018腾讯网年度教育盛典|哈喽贝比荣获“2018年度社会影响力儿童教育品牌”2018腾讯网年度教育盛典|哈喽贝比荣获“2018年度社会影响力儿童教育品牌”', '<p><img src=\"http://www.myhellobaby.cn/profile/upload/2019/08/14/27c24d88a577c3fb20725324be926178.jpg\" data-filename=\"/profile/upload/2019/08/14/27c24d88a577c3fb20725324be926178.jpg\" style=\"width: 318px;\"><br></p><p><span style=\"font-size: 13px;\"></span><br></p>', NULL, 'http://www.myhellobaby.cn/profile/upload/2019/08/14/2fbfa6316289d8d8373ac38b7096465f.jpg', '2019-08-12 12:08:23', '2019-08-16 13:56:47', NULL, '腾讯网', '腾讯网', '3', NULL, NULL, '/news/news_detail_5.html', '0');
UPDATE cms_article SET title='2018腾讯网年度教育盛典|哈喽贝比荣获' WHERE course_id=11;
这时候,我查看sql执行的结果
在查看idea 运行的控制台日志
2020-08-20 16:31:58.688 INFO 2028 --- [ main] o.elasticsearch.plugins.PluginsService : no modules loaded
2020-08-20 16:31:58.689 INFO 2028 --- [ main] o.elasticsearch.plugins.PluginsService : loaded plugin [org.elasticsearch.index.reindex.ReindexPlugin]
2020-08-20 16:31:58.689 INFO 2028 --- [ main] o.elasticsearch.plugins.PluginsService : loaded plugin [org.elasticsearch.join.ParentJoinPlugin]
2020-08-20 16:31:58.689 INFO 2028 --- [ main] o.elasticsearch.plugins.PluginsService : loaded plugin [org.elasticsearch.percolator.PercolatorPlugin]
2020-08-20 16:31:58.689 INFO 2028 --- [ main] o.elasticsearch.plugins.PluginsService : loaded plugin [org.elasticsearch.script.mustache.MustachePlugin]
2020-08-20 16:31:58.690 INFO 2028 --- [ main] o.elasticsearch.plugins.PluginsService : loaded plugin [org.elasticsearch.transport.Netty4Plugin]
2020-08-20 16:31:59.588 INFO 2028 --- [ main] o.s.d.e.c.TransportClientFactoryBean : Adding transport node : 127.0.0.1:9300
2020-08-20 16:32:00.228 INFO 2028 --- [ main] o.s.s.concurrent.ThreadPoolTaskExecutor : Initializing ExecutorService 'applicationTaskExecutor'
2020-08-20 16:32:01.366 INFO 2028 --- [ main] a.r.s.s.DefaultRocketMQListenerContainer : running container: DefaultRocketMQListenerContainer{consumerGroup='cms-article', nameServer='192.168.0.200:9876', topic='cms_article', consumeMode=ORDERLY, selectorType=TAG, selectorExpression='*', messageModel=CLUSTERING}
2020-08-20 16:32:01.366 INFO 2028 --- [ main] o.a.r.s.a.ListenerContainerConfiguration : Register the listener to container, listenerBeanName:springConsumer, containerBeanName:org.apache.rocketmq.spring.support.DefaultRocketMQListenerContainer_1
2020-08-20 16:32:01.397 INFO 2028 --- [ main] o.s.b.w.embedded.tomcat.TomcatWebServer : Tomcat started on port(s): 8085 (http) with context path ''
2020-08-20 16:32:01.399 INFO 2028 --- [ main] c.l.c.RocketmqToEsSamplesApplication : Started RocketmqToEsSamplesApplication in 4.594 seconds (JVM running for 5.346)
接收到消息 -> {"data":[{"course_id":"17","title":"2018腾讯网”","abstract_x":"2018腾讯网年度教育盛典|哈喽贝比荣获“2018年度社会影响力儿童教育品牌”2018腾讯网年度教育盛典|哈喽贝比荣获“2018年度社会影响力儿童教育品牌”","content":"<p><img src=\"http://www.myhellobaby.cn/profile/upload/2019/08/14/27c24d88a577c3fb20725324be926178.jpg\" data-filename=\"/profile/upload/2019/08/14/27c24d88a577c3fb20725324be926178.jpg\" style=\"width: 318px;\"><br></p><p><span style=\"font-size: 13px;\"></span><br></p>","age_range":null,"image":"http://www.myhellobaby.cn/profile/upload/2019/08/14/2fbfa6316289d8d8373ac38b7096465f.jpg","create_time":"2019-08-12 12:08:23","update_time":"2019-08-16 13:56:47","view_number":null,"author":"腾讯网","source":"腾讯网","class_id":"3","description":null,"key_words":null,"url":"/news/news_detail_5.html","status":"0"}],"database":"cms-manage","es":1597912365000,"id":24,"isDdl":false,"mysqlType":{"course_id":"int(11)","title":"varchar(255)","abstract_x":"varchar(255)","content":"text","age_range":"varchar(255)","image":"varchar(255)","create_time":"datetime","update_time":"datetime","view_number":"int(11)","author":"varchar(255)","source":"varchar(255)","class_id":"int(11)","description":"varchar(255)","key_words":"varchar(255)","url":"varchar(255)","status":"int(11)"},"old":null,"pkNames":["course_id"],"sql":"","sqlType":{"course_id":4,"title":12,"abstract_x":12,"content":2005,"age_range":12,"image":12,"create_time":93,"update_time":93,"view_number":4,"author":12,"source":12,"class_id":4,"description":12,"key_words":12,"url":12,"status":4},"table":"cms_article","ts":1597912365169,"type":"INSERT"}
cms_article
INSERT
CmsArticle{courseId=17, title='2018腾讯网”', abstractX='2018腾讯网年度教育盛典|哈喽贝比荣获“2018年度社会影响力儿童教育品牌”2018腾讯网年度教育盛典|哈喽贝比荣获“2018年度社会影响力儿童教育品牌”', content='<p><img src="http://www.myhellobaby.cn/profile/upload/2019/08/14/27c24d88a577c3fb20725324be926178.jpg" data-filename="/profile/upload/2019/08/14/27c24d88a577c3fb20725324be926178.jpg" style="width: 318px;"><br></p><p><span style="font-size: 13px;"></span><br></p>', ageRange='null', image='http://www.myhellobaby.cn/profile/upload/2019/08/14/2fbfa6316289d8d8373ac38b7096465f.jpg', viewNumber=null, author='腾讯网', source='腾讯网', classId=3, keyWords='null', description='null', url='/news/news_detail_5.html', status=0, createTime=Mon Aug 12 12:08:23 CST 2019, updateTime=Fri Aug 16 13:56:47 CST 2019}
2020-08-20 16:32:44.617 INFO 2028 --- [MessageThread_1] SpringConsumer : id = 17 添加es成功
2020-08-20 16:32:44.618 INFO 2028 --- [MessageThread_1] a.r.s.s.DefaultRocketMQListenerContainer : consume C0A800C86B106F496D9F6565B8713098 cost: 149 ms
接收到消息 -> {"data":[{"course_id":"11","title":"2018腾讯网年度教育盛典|哈喽贝比荣获","abstract_x":"2018腾讯网年度教育盛典|哈喽贝比荣获“2018年度社会影响力儿童教育品牌”2018腾讯网年度教育盛典|哈喽贝比荣获“2018年度社会影响力儿童教育品牌”","content":"<p><img src=\"http://www.myhellobaby.cn/profile/upload/2019/08/14/27c24d88a577c3fb20725324be926178.jpg\" data-filename=\"/profile/upload/2019/08/14/27c24d88a577c3fb20725324be926178.jpg\" style=\"width: 318px;\"><br></p><p><span style=\"font-size: 13px;\">腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网</span><br></p>","age_range":null,"image":"http://www.myhellobaby.cn/profile/upload/2019/08/14/2fbfa6316289d8d8373ac38b7096465f.jpg","create_time":"2019-08-12 12:08:23","update_time":"2019-08-16 13:56:47","view_number":null,"author":"腾讯网","source":"腾讯网6666","class_id":"3","description":null,"key_words":null,"url":"/news/news_detail_5.html","status":"0"}],"database":"cms-manage","es":1597912365000,"id":25,"isDdl":false,"mysqlType":{"course_id":"int(11)","title":"varchar(255)","abstract_x":"varchar(255)","content":"text","age_range":"varchar(255)","image":"varchar(255)","create_time":"datetime","update_time":"datetime","view_number":"int(11)","author":"varchar(255)","source":"varchar(255)","class_id":"int(11)","description":"varchar(255)","key_words":"varchar(255)","url":"varchar(255)","status":"int(11)"},"old":[{"title":"2018腾讯网年度教育盛典|哈喽贝比荣获“2018年度社会影响力儿童教育品牌”"}],"pkNames":["course_id"],"sql":"","sqlType":{"course_id":4,"title":12,"abstract_x":12,"content":2005,"age_range":12,"image":12,"create_time":93,"update_time":93,"view_number":4,"author":12,"source":12,"class_id":4,"description":12,"key_words":12,"url":12,"status":4},"table":"cms_article","ts":1597912365270,"type":"UPDATE"}
cms_article
UPDATE
CmsArticle{courseId=11, title='2018腾讯网年度教育盛典|哈喽贝比荣获', abstractX='2018腾讯网年度教育盛典|哈喽贝比荣获“2018年度社会影响力儿童教育品牌”2018腾讯网年度教育盛典|哈喽贝比荣获“2018年度社会影响力儿童教育品牌”', content='<p><img src="http://www.myhellobaby.cn/profile/upload/2019/08/14/27c24d88a577c3fb20725324be926178.jpg" data-filename="/profile/upload/2019/08/14/27c24d88a577c3fb20725324be926178.jpg" style="width: 318px;"><br></p><p><span style="font-size: 13px;">腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网腾讯网</span><br></p>', ageRange='null', image='http://www.myhellobaby.cn/profile/upload/2019/08/14/2fbfa6316289d8d8373ac38b7096465f.jpg', viewNumber=null, author='腾讯网', source='腾讯网6666', classId=3, keyWords='null', description='null', url='/news/news_detail_5.html', status=0, createTime=Mon Aug 12 12:08:23 CST 2019, updateTime=Fri Aug 16 13:56:47 CST 2019}
2020-08-20 16:32:44.740 INFO 2028 --- [MessageThread_1] SpringConsumer : id = 11 编辑es成功
2020-08-20 16:32:44.740 INFO 2028 --- [MessageThread_1] a.r.s.s.DefaultRocketMQListenerContainer : consume C0A800C86B106F496D9F6565B8D6309B cost: 121 ms
数据库表中的数据和es数据都变化了,并且一致。
mysql
es
到这里canal +Rocketmq实现MySQL与ElasticSearch数据同步整合就完成,感谢你的学习。有问题欢迎在留言区互动解决。
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