问题一：mysql增加默认值，这个ddl操作，会导致flink cdc任务同步失败吗？ mysql增加默认值，这个ddl操作，会导致flink cdc任务同步失败吗？参考回答： MySQL增加默认值的DDL操作（Data Definition Language，数据定义语言）不会影响Flume CDC（Change Data Capture，变更数据...

文章 2024-05-17 来自：开发者社区

实时计算 Flink版产品使用合集之从MySQL到Flink 1.16.2 Flink-SQL的数据同步工作出现了一个异常如何解决

问题一：Flink这些完成的任务怎么删除呢？ Flink这些完成的任务怎么删除呢？参考回答：在Flink中，一旦任务完成，它就会被标记为已完成，并存储在任务历史中。这些已完成的任务不会被自动删除...

文章 2024-05-17 来自：开发者社区

实时计算 Flink版产品使用合集之将OceanBase的CDC数据导入到Flink SQL的任务的步骤是什么

问题一：Flink CDC将hive作为source表，为啥总是一提交就结束呢，有人碰到过么？ Flink CDC将hive作为source表，为啥总是一提交就结束呢，有人碰到过么？参考回答： Flink CDC将Hive作为source表，一提交就结束的问题可能有多种原因。首先，需要确认的是Flink作业的配置是否正确，例如是否正确指定了Flink...

文章 2024-05-17 来自：开发者社区

实时计算 Flink版产品使用合集之是否可以使用 DataStream API 或 Flink SQL 开发任务

问题一：Flink CDC用DataStream开发任务么？ Flink CDC用DataStream开发任务么？Flink SQL模式和DataStream哪种效率高些？sink写的是自定义的吗？全量和增量的并行度是怎么判断修改的呢？我现在也在用flink做数据同步？参考回答：生产没用过flink sql不知道。我只是用flink作为同步工具，自...

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-connector-mysql-cdc 和 flink-sql-connector-mysql-cdc有什么区别

问题一：这个flinksqlcdc 也支持checkpoint嘛？这个flinksqlcdc 也支持checkpoint嘛？参考回答：是的，Flink SQL CDC支持Checkpoint。Checkpoint是指Flink定期存储它当前状态的过程。当作业失败时，可以从最近的Checkpoint点重新开始处理，而不是从头开始。这对于容错和状态恢...

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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