如题，我是新手小白一个。同步的这个表很大，大概需要4小时时间才能导出所有数据。我在启动一个flink任务时，使用的是1.20版本,对应的flink-sql-connector-oracle-cdc-3.3.0.jar。同步命令如下，默认会先全量同步，对checkpoint上锁，导出这个表的全部数据后创建快照，释放checkpoint锁，接着自动进入增量同步模式：bin/flink run \ .....

文章 2024-07-16 来自：开发者社区

实时计算 Flink版产品使用问题之从上一个checkpoint点位重新启动任务，该如何操作

问题一：想请教下部署flink集群的话 Standalone模式 Yarn模式模式用哪个模式好一点？想请教下部署flink集群的话 Standalone模式 Yarn模式 Kubernetes模式用哪个模式好一点？另外需要安装zookeeper来实现高可用么？参考答案： Standalone模式也很稳定呀，已经跑了大半年了；建议下载解压，直接...

文章 2024-05-23 来自：开发者社区

实时计算 Flink版产品使用合集之从Oracle数据库同步数据时，checkpoint恢复后无法捕获到任务暂停期间的变更日志，如何处理

问题一：Flink CDC用oracle-cdc？它是不是不能从ckp恢复？ Flink CDC用oracle-cdc？它是不是不能从ckp恢复。我用cdc同步oracle，中间把任务停掉，然后从ckp恢复，发现暂停期间的变更日志会漏掉，scan.mode设的：latest-offset？参考答案：从savepoint恢复试下 ...

问答 2024-03-05 来自：开发者社区

Flink CDC怎么知道checkpoint是哪个任务的。从路径上看不出来？

问答 2023-12-20 来自：开发者社区

从flink CheckPoint重新拉起任务报错，1.14.5版本，有遇到过类似问题的嘛？

从flink CheckPoint重新拉起任务报错，1.14.5版本，有遇到过类似问题的嘛？通过从SavePoint、CheckPoint 两种方式都有报错，都是上面的报错从最近消费是ok的

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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