canal整合rocketmq实现数据库redis双写一致
canal
alibaba/canal: Canal 是由阿里巴巴开源的分布式数据库同步系统,主要用于实现MySQL数据库的日志解析和实时增量数据订阅与消费,广泛应用于数据库变更消息的捕获、数据迁移、缓存更新等场景。
项目地址:https://gitcode.com/gh_mirrors/ca/canal
·
视频参考:`
https://www.bilibili.com/video/BV1tb4y1676p
1.开启mysql中binlog模式
修改mysql配置文件
[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
进入etc目录下:

加入以下内容:
log-bin=mysql-bin
binlog-format=ROW
server_id=12345
2.安装rocketmq
拉取镜像
docker pull rocketmqinc/rocketmq

启动namesrv服务
docker run -d -p 9876:9876 \
-v /export/server/mq/data/namesrv/logs:/root/logs \
-v /export/server/mq/data/namesrv/store:/root/store \
--name rmqnamesrv \
-e "JAVA_OPTS=-Duser.home=/opt" \
-e "JAVA_OPT_EXT=-server -Xms512m -Xmx512m" rocketmqinc/rocketmq sh mqnamesrv

配置broker文件
brokerClusterName = DefaultCluster
brokerName = broker-a
brokerId = 0
deleteWhen = 04
fileReservedTime = 48
brokerRole = ASYNC_MASTER
flushDiskType = ASYNC_FLUSH
#换成网络IP
namesrvAddr = 192.168.3.36:9876
#换成网络IP
brokerIP1 = 192.168.3.36
#是否允许 Broker 自动创建Topic,建议线下开启,线上关闭
autoCreateTopicEnable=true
#是否允许 Broker 自动创建订阅组,建议线下开启,线上关闭
autoCreateSubscriptionGroup=true
#消费端重试次数与间隔
messageDelayLevel=5s 10s 15s 35s 55s 105s 205s 305s 405s 505s 605s 705s 805s 905s 1005s 1015s 1025s 1355s
启动broker服务
docker run -d -p 10911:10911 -p 10909:10909 \
-v /export/server/mq/data/broker/logs:/root/logs \
-v /export/server/mq/rocketmq/data/broker/store:/root/store \
-v /export/server/mq/conf/broker.conf:/opt/rocketmq/conf/broker.conf \
--name rmqbroker \
--link rmqnamesrv:namesrv \
-e "NAMESRV_ADDR=namesrv:9876" \
-e "JAVA_OPTS=-Duser.home=/opt" \
-e "JAVA_OPT_EXT=-server -Xms512m -Xmx512m" rocketmqinc/rocketmq sh mqbroker \
-c /opt/rocketmq/conf/broker.conf

安装控制台
docker pull styletang/rocketmq-console-ng

docker run -d -e "JAVA_OPTS=-Drocketmq.config.namesrvAddr=192.168.3.36:9876 \
-Drocketmq.config.isVIPChannel=false" -p 8003:8080 -t styletang/rocketmq-console-ng
访问控制台:
http://192.168.3.36:8003/#/message

3.安装canal
链接:https://pan.baidu.com/s/1ym8gkS7QKpam3wyv52bQag
提取码:b2a0
解压文件:
[root@localhost canal]# tar zxvf canal.deployer-1.1.5.tar.gz
修改配置文件 vi /export/server/canal/conf/example/instance.properties
instance.properties


修改配置文件:vi /export/server/canal/conf/canal.properties

启动canal
sh bin/startup.sh
停止
sh bin/stop.sh
代码测试
链接:https://pan.baidu.com/s/1Zt_kWgreEqbdNyNMV-Wj1A
提取码:hdjh
alibaba/canal: Canal 是由阿里巴巴开源的分布式数据库同步系统,主要用于实现MySQL数据库的日志解析和实时增量数据订阅与消费,广泛应用于数据库变更消息的捕获、数据迁移、缓存更新等场景。
最近提交(Master分支:4 个月前 )
8a4199a7
* 1. Fix compressed OSS binlog data
2. Fix first second data loss caused by dumping from OSS binlog
* Fix CI failed test cases 19 天前
79338be0
- String.format is lower than StringBuilder. Benchmark like below:
code snippet:
String str = String.format("%s-%s-%s", 0, 1, 10);
Benchmark Mode Cnt Score Error Units
StringBenchmark.append thrpt 46431458.255 ops/s
StringBenchmark.format thrpt 985724.313 ops/s
StringBenchmark.append avgt ≈ 10⁻⁸ s/op
StringBenchmark.format avgt ≈ 10⁻⁶ s/op
StringBenchmark.append sample 364232 ≈ 10⁻⁷ s/op
StringBenchmark.append:p0.00 sample ≈ 10⁻⁸ s/op
StringBenchmark.append:p0.50 sample ≈ 10⁻⁷ s/op
StringBenchmark.append:p0.90 sample ≈ 10⁻⁷ s/op
StringBenchmark.append:p0.95 sample ≈ 10⁻⁷ s/op
StringBenchmark.append:p0.99 sample ≈ 10⁻⁷ s/op
StringBenchmark.append:p0.999 sample ≈ 10⁻⁷ s/op
StringBenchmark.append:p0.9999 sample ≈ 10⁻⁵ s/op
StringBenchmark.append:p1.00 sample 0.001 s/op
StringBenchmark.format sample 336220 ≈ 10⁻⁶ s/op
StringBenchmark.format:p0.00 sample ≈ 10⁻⁶ s/op
StringBenchmark.format:p0.50 sample ≈ 10⁻⁶ s/op
StringBenchmark.format:p0.90 sample ≈ 10⁻⁶ s/op
StringBenchmark.format:p0.95 sample ≈ 10⁻⁶ s/op
StringBenchmark.format:p0.99 sample ≈ 10⁻⁶ s/op
StringBenchmark.format:p0.999 sample ≈ 10⁻⁵ s/op
StringBenchmark.format:p0.9999 sample ≈ 10⁻⁴ s/op
StringBenchmark.format:p1.00 sample 0.001 s/op
StringBenchmark.append ss ≈ 10⁻⁶ s/op
StringBenchmark.format ss ≈ 10⁻⁵ s/op 19 天前
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