目录前言一、为什么需要mysql同步到ES？二、方案一：双写方案示例代码：优缺点分析适用场景三、方案二：定时任务方案示例代码：数据更新追踪策略优缺点分析适用场景四、方案三：Binlog同步方案示例代码：优缺点分析适
目录引言方案一：同步双写方案二：异步双写方案三：Logstash定时拉取方案四：Canal监听Binlog方案五：DataX批量同步方案六：Flink流处理总结引言
When I have to write methods which return two values, I usually go about it as in the following code which returns a List<string>. Or if I have to return e.g. a id and string, then I return a Li
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