Flink CDC中为啥我的mysql cdc 设置并行度为2，全量扫描阶段特别慢呢，还不如一个任务，有时候直接卡主在某个点，有人知道吗就是sink表的总数没达到期望的值，我把并行度设置为1，这个值为4万多，也符合预期，这个一直卡在28292了，好久了，我是本地，也没法用web ui看按照网上的设置本地webui也不起作用，直接返回{"errors":["Not found."]}flink....

问答 2023-04-24 来自：开发者社区

Flink的设置全量初始化以后，后续的自动切换成增量，我这边没有修改代码，默认从最后一次ck启动吧？

Flink的设置全量初始化以后，后续的自动切换成增量，我这边没有修改代码，默认是从最后一次ck启动吧？Ck是正常的，都是成功的

问答 2023-04-24 来自：开发者社区

请问Flink的设置全量初始化以后，后续的自动切换成增量了吗？我们用的Flink是1.13.5

请问Flink的设置全量初始化以后，后续的自动切换成增量了吗？我们用的Flink是1.13.5，Flinkcdc是2.2.1

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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