实时计算 Flink版cdc同步的相关内容

问答 2023-09-28 来自：开发者社区

Flink CDC分表数据采集的时候，为啥有时候会有些表同步不过来呢？

Flink CDC分表数据采集的时候，为啥有时候会有些表同步不过来呢？ 'table-name' = '(pigorder[0-9]*)');？

问答 2023-09-28 来自：开发者社区

Flink CDC读取kafka中的订单和订单明细数据，同步到sink表后，这一般是什么问题啊？

Flink CDC读取kafka中的订单和订单明细数据，同步到sink表后，sink表的数据数量一直跳来跳去，一会几百条一会变成几十条，这一般是什么问题啊？感觉总是最后一次数据【新产生的一小部分流数据】，会把sink表中所有历史数据都清空掉用的mysql: CREATE TABLE sink_sale_order_detail_rt( order_item_id bigin...

Flink CDC 实现企业级实时数据同步

传统的数据集成通常由全量和增量同步两套系统构成，在全量同步完成后，还需要进一步将增量表和全量表进行合并操作，这种架构的组件构成较为复杂，系统维护困难。本方案提供 Flink CDC 技术实现了统一的增量和全量数据的实时集成。

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问答 2023-09-28 来自：开发者社区

Flink CDC同步mysql数据时，遇到mysql主从节点切换问题怎么处理的？

Flink CDC同步mysql数据时，遇到mysql主从节点切换问题怎么处理的？主从切换了，binlog和pos也变了？

问答 2023-09-28 来自：开发者社区

生产环境Flink CDC 同步是一个库起一个job么？

问答 2023-09-28 来自：开发者社区

flink cdc全量同步，可以从checkpoint恢复吗？

问答 2023-09-27 来自：开发者社区

Flink CDC同步mysql数据到starrocks中，全量数据同步完后，增量数据不同步了？

问答 2023-09-27 来自：开发者社区

请教下Flink CDC多张表同步一般做多个任务还是做一个任务？

问答 2023-09-27 来自：开发者社区

Flink CDC有没有用mongocdc同步一个大collection？

Flink CDC有没有用mongocdc同步一个大collection碰到taskmanager oom的？尝试过数据不落地，只是按分钟count一下条数，仍然会oom。collection有百亿数据，起了75个10c32g的taskmanager，还是会在半到一个小时内oom，峰值拉取能到2kw/分钟，做checkpoint时候降到一两百万/分钟，后面oom了就跑不下去了，频繁拉起新task....

问答 2023-09-20 来自：开发者社区

flink cdc 同步数据到hudi 以后 date类型都变成1970-01-01的吗怎么解决的？

问答 2023-09-20 来自：开发者社区

Flink CDC全量同步阶段的时候, chunk size 是计算所有表的吗？

Flink CDC全量同步阶段的时候, chunk size 是计算所有表的吗. 看了日志, 还没算完直接OOM了？

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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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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