问题一：Flink sql有没有函数支持解析一个json string并转成期望的数据类型呢？ Flink sql有没有函数支持解析一个json string并转成期望的数据类型呢？ JSON_QUERY('{"a":[{"c":"c1"},{"c":"c2"}]}', 'lax $.a[*].c') 这个内置函数返回的是string: '["c1","...

文章 2024-05-17 来自：开发者社区

实时计算 Flink版产品使用合集之oracle cdc 抽取新增一张表可以从savepoint恢复吗

问题一：Flink CDC实时的调度有什么组成部分吗？ Flink CDC实时的调度有什么组成部分吗？参考回答： Flink CDC 实时调度主要由以下几个组件组成： Flink JobManager：负责管理 Flink 程序的运行和资源分配。 Flink TaskManager：负责执行具体的任务，并将结果返回给...

文章 2024-05-17 来自：开发者社区

实时计算 Flink版产品使用合集之Flink CDC 2.3.0和Flink 1.17，无法从MySQL数据库中抽取数据，是什么原因导致的

问题一：Flink CDC在集群里面run一个oracle cdc的job，是不是跟什么配置有关系？ Flink CDC在集群里面run一个oracle cdc的job，提示chekpoint保存不了，还没有到启动监听数据源这一步，但用idea调试运行又可以采集，是不是跟什么配置有关系？ ...

问答 2024-05-14 来自：开发者社区

Flink CDC是在incremental 用latest offset抽取的，有可能是什么原因？

Flink CDC是在incremental 用latest offset抽取的，看pg的连接线程一直看到用cdc用户在读元数据的样子版本flink1.14 cdc3.0.1 请问大佬有可能是什么原因？

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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。

立即开通

产品控制台

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