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This project forked from alibaba/canal

阿里巴巴 MySQL binlog 增量订阅&消费组件

License: Apache License 2.0

Java 94.29% Shell 1.12% Batchfile 0.12% Dockerfile 0.08% Python 0.05% HTML 0.16% CSS 0.01% JavaScript 1.48% Vue 2.24% PLpgSQL 0.23% SCSS 0.21%

canal's Introduction

修改了1.1.4版本，请切换1.1.4分支

背景

公司使用canal做数据到rocketmq上，多次发生了故障，排查后发现是数据变更有4M的大字段，rocketmq接收堵塞了，导致全栈数据同步迟缓。

官方在1.1.4提供了canal.instance.filter.black.field来过滤掉字段，但是我们不知道哪个库哪个表会突然被插入大字段，可能是测试小伙伴的随机测试。。。

变更

添加字段的长度限制，超过截取，增加报警功能，遇到超过阈值的情况发送警告到运维群，及时提醒小伙伴不好顽皮~

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minicx / canal Goto Github PK