实时计算 Flink版cdc数据的相关内容

问答 2024-07-10 来自：开发者社区

Flink CDC中Oracle cdc datastream的方式获取数据，这是啥问题啊？

Flink CDC中Oracle cdc datastream的方式获取数据，要过很久才回更正增量数据，checkpoint时间是3分钟，这是啥问题啊？

问答 2024-07-10 来自：开发者社区

Flink CDC从mysql到doris，Flink Job提交后，数据会立即同步这个会是啥原因？

Flink CDC从mysql到doris，Flink Job提交后，数据会立即同步，后面mysql增量数据不同步，这个会是啥原因？

问答 2024-07-09 来自：开发者社区

flink cdc 任务重启，读取新增的表数据不全，没有读取到全量数据

flink cdc 任务MySqlSource.databaseList处理的表为order_1表，现在由于业务迭代需要新增表order_2，这个表order_2在数据库已经存在，我的处理步骤是这样的：先保存了flink任务checkpoint，然后暂停flink任务，修改flink代码，在 MySqlSource.databaseList里增加表order_2，然后基于checkpoint重启....

问答 2024-07-03 来自：开发者社区

对于Flink CDC，flink实时同步oracle的数据，要怎做才能从断了之后的数据继续同步过？

对于Flink CDC，flink实时同步oracle的数据，如果任务断了，要怎么做才能从断了之后的数据继续同步过来呢？

问答 2024-07-03 来自：开发者社区

对于Flink CDC，oracle cdc 获取有主键的表的时候能获取全量数据这咋回事？

对于Flink CDC，oracle cdc 获取有主键的表的时候能获取全量数据，但是获取只有唯一索引的表，只能获取到最后一条数据，这咋回事？

问答 2024-07-03 来自：开发者社区

对于Flink CDC，sink 端输出u数据？达到条数输出？达到时间输出？

问答 2024-07-03 来自：开发者社区

对于Flink CDC，从库全量数据读取时，scan.startup.mode这个参数该用哪个？

对于Flink CDC，从库全量数据读取时，scan.startup.mode这个参数该用哪个，我现在用“initial”，但发现并没有全量读取？

问答 2024-07-03 来自：开发者社区

对于Flink CDC，谁对datastreamapi比较熟悉，能读到pg数据，但写不到pg下游表？

对于Flink CDC，谁对datastreamapi比较熟悉，能读到pg数据，但是写不到pg下游表？

问答 2024-07-03 来自：开发者社区

对于Flink CDC，最后一次是对数据打宽的逻辑进行了微调，与cdc本身没有任何修改的，为什么？

问答 2024-07-03 来自：开发者社区

对于Flink CDC，CDC在同步表数据时，出现了两行一模一样的数据，而且时间相隔很近？

对于Flink CDC，CDC在同步表数据时，出现了两行一模一样的数据，而且时间相隔很近，导致第二行出现了唯一冲突。这个问题闻所未闻，所以想请教下有谁有排查方向吗？

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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

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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