实时计算 Flink版cdc数值的相关内容

问答 2024-07-02 来自：开发者社区

对于Flink CDC，数值型的列变成了字母串可能是什么问题？

对于Flink CDC，flink oracle cdc 3.1.1抽取时，数值型的列变成了字母串可能是什么问题？

阿里云文档 2024-06-28

社区CDC

本文为您介绍如何在阿里云实时计算Flink版中使用社区版CDC（Change Data Capture）连接器，以及更改连接器名称。

文章 2024-02-23 来自：开发者社区

Flink CDC 数据源问题之数值不匹配如何解决

问题一：请问Flink CDC可以在一个作业里面将数据源的不同数据以某种自定义规则同步到不同的hive库里？请问Flink CDC可以在一个作业里面将数据源的不同数据以某种自定义规则同步到不同的hive库里吗？参考回答：是的，Flink CDC可以在一个作业中将数据源的不同数据以某种自定义规则同步到不同的Hive库里。您可以使用Flink的Dat...

问答 2024-02-06 来自：开发者社区

Flink CDC里我mysql 数据库有个表它的字段定义为date类型，数值变化什么原因？

Flink CDC里我mysql 数据库有个表它的字段定义为date类型，比如在数据库中存储的值为2024-02-01，用flink cdc读取binlog这个字段的值变成了数字19754，是什么原因，该怎么解决？

问答 2024-01-24 来自：开发者社区

Flink CDC里任务运行时间过长 cache缓存占用了大量资源，有没有具体数值可以参考？

Flink CDC里任务运行时间过长 cache缓存占用了大量资源我想让cache资源自动释放或者减少使用内存是它回答的这样嘛设置状态后端最大值如果设置了这个会不会导致任务有可能找不到状态报错有没有具体的参数值可以参考下?

问答 2023-12-05 来自：开发者社区

Flink CDC有例子吗，传入的是字段数值？

Flink CDC有例子吗，传入的是字段数值？我只想sink 到部分表，表结构差不多的，我用RichSinkFunction 自定义sink到数据库表，但感觉还是用官方的jdbcsink性能好

问答 2023-12-04 来自：开发者社区

Flink CDC这个memory在完成全量进入增量阶段后，数值能否有明显下降？

问答 2023-11-15 来自：开发者社区

Flink CDC要求是每来一条输出一次结果，计算一个数值按照group id，有啥办法处理嘛？

Flink CDC要求是每来一条输出一次结果，计算一个数值按照group id，现在发现我一次发多条数据的时候，可能会触发一起计算，不是一条条的，有啥办法处理嘛？select id, count(1) over w as idcountfrom KafkaSourcewindow w as ( partition by id order by proc_time ...

问答 2023-10-18 来自：开发者社区

Flink CDC在使用过程中，decimal类型的数值过大会出现负值有碰到过吗？

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更新时间 2024-07-03 01:06:00

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实时计算Flink版

阿里云实时计算Flink版(Alibaba Cloud Realtime Compute)，完全兼容开源的Apache Flink，比开源性能提升2～3倍，提供了完整的告警、监控、日志的解决方案、提升开发效率且无运维成本，并有社区专家提供技术支持。

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产品文档

实时同步

MySQL 到 Hologres

Kafka 到 Hologres

功能对比

开源Flink对比

成本优化

作业自动调优