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maxwell同步mysql到kafka（一个服务器启动多个）

创建mysql同步用户

CREATEUSER'maxwell'@'%' IDENTIFIED BY'123456';GRANTALLON maxwell.*TO'maxwell'@'%';GRANTSELECT,REPLICATION CLIENT,REPLICATION SLAVE on*.*to'maxwell'@'%';

开启mysql binlog

a.修改 /etc/my.cnf 配置

log-bin=mysql-bin  # 开启binlog
binlog-format=ROW  # 设置Binary Log记录方式为Row
server_id=1 # 记住id 后续开发会使用# 指定binlog日志文件的名字为mysql-bin，以及其存储路径# 如果没有对log-bin指定log文件，默认在 /var/lib/mysql目录下以mysqld-bin.00000X等作为名称。# 而 mysqld-bin.index则记录了所有的log的文件名称# 使用时则使用mysqlbinlog /var/lib/mysql|grep "*****"等来追踪database的操作。
log-bin=/var/lib/mysql/mysql-bin   
datadir=/var/lib/mysql
socket=/var/lib/mysql/mysql.sock

b.重启mysql
service mysqld restart
c.查看开启状态
输入 show variables like ‘log_bin’; 查看binlog开启状态。如下图所示。
输入 show variables like ‘binlog_format’; 查看Binary Log记录方式。如下图所示。

mysql>show variables like'log_%';+---------------------------------+-------------+| Variable_name |Value|+---------------------------------+-------------+| log_bin |ON|| log_bin_trust_function_creators |OFF|| log_error |.\mysql.err || log_queries_not_using_indexes |OFF|| log_slave_updates |OFF|| log_slow_queries |ON|| log_warnings |1|+---------------------------------+-------------+
没有开启log_bin的值是OFF,开启之后是ON
mysql>SHOW VARIABLES LIKE'character%';+--------------------------+----------------------------+| Variable_name            |Value|+--------------------------+----------------------------+| character_set_client     | utf8                       || character_set_connection | utf8                       || character_set_database   | latin1                     || character_set_filesystem |binary|| character_set_results    | utf8                       || character_set_server     | latin1                     || character_set_system     | utf8                       || character_sets_dir       |/usr/share/mysql/charsets/|+--------------------------+----------------------------+

安装maxwell

下载

从 v1.30.0 开始，Maxwell 不再支持 JDK1.8
使用最后一个支持 JDK1.8 版本的 Maxwell v1.29.2 进行部署
wget https://github.com/zendesk/maxwell/releases/download/v1.29.2/maxwell-1.29.2.tar.gz

安装

解压即可 tar -zxvf maxwell.tar.gz

配置

vim config_1.properties

server_id=1
client_id=city_ct_63 #用于启动多个maxwell
replica_server_id=2 #用于启动多个maxwell
user=maxwell
password=123456
host=192.168.0.XX
producer=kafka
kafka.bootstrap.servers=192.168.0.XX:9092
kafka_topic=city_mysql_kafka_cdc
jdbc_options=serverTimezone=UTC
filter=exclude:*.*,include:test.mj_qyxx,include:test.mj_sbxx

vim config_2.properties

server_id=1
client_id=province_ct_63 #用于启动多个maxwell
replica_server_id=1 #用于启动多个maxwell
user=maxwell
password=123456
host=192.168.0.1x
producer=kafka
kafka.bootstrap.servers=192.168.0.xx:9092
kafka_topic=province_mysql_kafka_cdc
jdbc_options=serverTimezone=UTC
filter=exclude:*.*,include:test2.xxx

启动

bin/maxwell --config city_config.properties --daemon
bin/maxwell --config province_config.properties --daemon

验证启动进程

ps -ef | grep com.zendesk.maxwell.Maxwell | grep -v grep | wc -l

测试数据库全量同步

maxwell-bootstrap --database finance_result --table industry --config $MAXWELL_HOME/config.properties

其中发送过来的数据第一行及最后一行数据是标识 Maxwell 历史数据同步的，不携带任何数据。

maxwell -> kafka:{"database":"finance_result","table":"industry","type":"bootstrap-start","ts":1694748250,"data":{}}{"database":"finance_result","table":"industry","type":"bootstrap-insert","ts":1694748250,"data":{"id":1,"create_time":"2022-08-19 00:00:00.000000","update_time":"2022-08-19 00:00:00.000000","industry_level":1,"industry_name":"工程建设","superior_industry_id":null}}{"database":"finance_result","table":"industry","type":"bootstrap-insert","ts":1694748250,"data":{"id":2,"create_time":"2022-08-19 00:00:00.000000","update_time":"2022-08-19 00:00:00.000000","industry_level":1,"industry_name":"轻工","superior_industry_id":null}}{"database":"finance_result","table":"industry","type":"bootstrap-insert","ts":1694748250,"data":{"id":3,"create_time":"2022-08-19 00:00:00.000000","update_time":"2022-08-19 00:00:00.000000","industry_level":2,"industry_name":"土木","superior_industry_id":1}}......{"database":"finance_result","table":"industry","type":"bootstrap-complete","ts":1694748250,"data":{}}

测试数据库增量同步

参数说明

输出JSON字符串的格式
● data 最新的数据，修改后的数据
● old 旧数据，修改前的数据
● type 操作类型，有insert, update, delete, database-create, database-alter, database-drop, table-create, table-alter, table-drop，bootstrap-insert，int(未知类型)
● xid 事务id
● commit 同一个xid代表同一个事务，事务的最后一条语句会有commit，可以利用这个重现事务
● server_id
● thread_id
● 运行程序时添加参数–output_ddl，可以捕捉到ddl语句
● datetime列会输出为"YYYY-MM-DD hh:mm:ss"，如果遇到"0000-00-00 00:00:00"会原样输出
● maxwell支持多种编码，但仅输出utf8编码
● maxwell的TIMESTAMP总是作为UTC处理，如果要调整为自己的时区，需要在后端逻辑上进行处理

创建mysql同步用户

CREATEUSER'maxwell'@'%' IDENTIFIED BY'123456';GRANTALLON maxwell.*TO'maxwell'@'%';GRANTSELECT,REPLICATION CLIENT,REPLICATION SLAVE on*.*to'maxwell'@'%';

开启mysql binlog

a.修改 /etc/my.cnf 配置

log-bin=mysql-bin  # 开启binlog
binlog-format=ROW  # 设置Binary Log记录方式为Row
server_id=1 # 记住id 后续开发会使用# 指定binlog日志文件的名字为mysql-bin，以及其存储路径# 如果没有对log-bin指定log文件，默认在 /var/lib/mysql目录下以mysqld-bin.00000X等作为名称。# 而 mysqld-bin.index则记录了所有的log的文件名称# 使用时则使用mysqlbinlog /var/lib/mysql|grep "*****"等来追踪database的操作。
log-bin=/var/lib/mysql/mysql-bin   
datadir=/var/lib/mysql
socket=/var/lib/mysql/mysql.sock

b.重启mysql
service mysqld restart
c.查看开启状态
输入 show variables like ‘log_bin’; 查看binlog开启状态。如下图所示。
输入 show variables like ‘binlog_format’; 查看Binary Log记录方式。如下图所示。

mysql>show variables like'log_%';+---------------------------------+-------------+| Variable_name |Value|+---------------------------------+-------------+| log_bin |ON|| log_bin_trust_function_creators |OFF|| log_error |.\mysql.err || log_queries_not_using_indexes |OFF|| log_slave_updates |OFF|| log_slow_queries |ON|| log_warnings |1|+---------------------------------+-------------+
没有开启log_bin的值是OFF,开启之后是ON
mysql>SHOW VARIABLES LIKE'character%';+--------------------------+----------------------------+| Variable_name            |Value|+--------------------------+----------------------------+| character_set_client     | utf8                       || character_set_connection | utf8                       || character_set_database   | latin1                     || character_set_filesystem |binary|| character_set_results    | utf8                       || character_set_server     | latin1                     || character_set_system     | utf8                       || character_sets_dir       |/usr/share/mysql/charsets/|+--------------------------+----------------------------+

安装maxwell

下载

从 v1.30.0 开始，Maxwell 不再支持 JDK1.8
使用最后一个支持 JDK1.8 版本的 Maxwell v1.29.2 进行部署
wget https://github.com/zendesk/maxwell/releases/download/v1.29.2/maxwell-1.29.2.tar.gz

安装

解压即可 tar -zxvf maxwell.tar.gz

配置

vim config_1.properties

server_id=1
client_id=city_ct_63 #用于启动多个maxwell
replica_server_id=2 #用于启动多个maxwell
user=maxwell
password=123456
host=192.168.0.XX
producer=kafka
kafka.bootstrap.servers=192.168.0.XX:9092
kafka_topic=city_mysql_kafka_cdc
jdbc_options=serverTimezone=UTC
filter=exclude:*.*,include:test.mj_qyxx,include:test.mj_sbxx

vim config_2.properties

server_id=1
client_id=province_ct_63 #用于启动多个maxwell
replica_server_id=1 #用于启动多个maxwell
user=maxwell
password=123456
host=192.168.0.1x
producer=kafka
kafka.bootstrap.servers=192.168.0.xx:9092
kafka_topic=province_mysql_kafka_cdc
jdbc_options=serverTimezone=UTC
filter=exclude:*.*,include:test2.xxx

启动

bin/maxwell --config city_config.properties --daemon
bin/maxwell --config province_config.properties --daemon

验证启动进程

ps -ef | grep com.zendesk.maxwell.Maxwell | grep -v grep | wc -l

测试数据库全量同步

maxwell-bootstrap --database finance_result --table industry --config $MAXWELL_HOME/config.properties

其中发送过来的数据第一行及最后一行数据是标识 Maxwell 历史数据同步的，不携带任何数据。

maxwell -> kafka:{"database":"finance_result","table":"industry","type":"bootstrap-start","ts":1694748250,"data":{}}{"database":"finance_result","table":"industry","type":"bootstrap-insert","ts":1694748250,"data":{"id":1,"create_time":"2022-08-19 00:00:00.000000","update_time":"2022-08-19 00:00:00.000000","industry_level":1,"industry_name":"工程建设","superior_industry_id":null}}{"database":"finance_result","table":"industry","type":"bootstrap-insert","ts":1694748250,"data":{"id":2,"create_time":"2022-08-19 00:00:00.000000","update_time":"2022-08-19 00:00:00.000000","industry_level":1,"industry_name":"轻工","superior_industry_id":null}}{"database":"finance_result","table":"industry","type":"bootstrap-insert","ts":1694748250,"data":{"id":3,"create_time":"2022-08-19 00:00:00.000000","update_time":"2022-08-19 00:00:00.000000","industry_level":2,"industry_name":"土木","superior_industry_id":1}}......{"database":"finance_result","table":"industry","type":"bootstrap-complete","ts":1694748250,"data":{}}

测试数据库增量同步

参数说明

输出JSON字符串的格式
● data 最新的数据，修改后的数据
● old 旧数据，修改前的数据
● type 操作类型，有insert, update, delete, database-create, database-alter, database-drop, table-create, table-alter, table-drop，bootstrap-insert，int(未知类型)
● xid 事务id
● commit 同一个xid代表同一个事务，事务的最后一条语句会有commit，可以利用这个重现事务
● server_id
● thread_id
● 运行程序时添加参数–output_ddl，可以捕捉到ddl语句
● datetime列会输出为"YYYY-MM-DD hh:mm:ss"，如果遇到"0000-00-00 00:00:00"会原样输出
● maxwell支持多种编码，但仅输出utf8编码
● maxwell的TIMESTAMP总是作为UTC处理，如果要调整为自己的时区，需要在后端逻辑上进行处理

标签： mysql kafka 服务器
本文转载自: https://blog.csdn.net/weixin_43871079/article/details/139476507
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