实时计算 Flink版任务的相关内容

返回频道实时计算 Flink版任务

问答 2023-09-20 来自：开发者社区

Flink CDC中任务报错有啥参数能调整吗还是说一定要改下代码呀？

Flink CDC中任务报错Not all required tasks are currently running 有啥参数能调整吗还是说一定要改下代码呀？

问答 2023-09-20 来自：开发者社区

Flink CDC已经上线的任务，后续进行表结构变更新增字段，这种对数据没啥影响吧？

Flink CDC已经上线的任务，后续进行表结构变更新增字段，无状态启动从指定时间，这种对数据没啥影响吧？

问答 2023-09-20 来自：开发者社区

Flink CDC只同步了部分数据,就不同步了. 任务还是 Runing状态？

Flink CDC同步 RDS mysql 时,只同步了部分数据,就不同步了. 任务还是 Runing状态？flink-1.17.0flink-sql-connector-mysql-cdc-2.4.1表里一共有200多万条数据只同步了2万多条就不同步了

问答 2023-09-20 来自：开发者社区

Sink任务都是并发，这个用Flink SQL有没有办法做到我想要的效果呢？

我现在用的是Flink 1.16 版本，目前我有这么一个需求，在一个任务中，我会消费Kafka的消息（source），结合已有的表，生成3个结果表，分别Sink到PG的3个表中，当这3个Sink完成后，我还需要Sink一条消息回Kafka中，告诉别人我这个任务已民经完成了。目前我了解下来，Sink任务都是并发，这个用Flink SQL有没有办法做到我想要的效果呢？

问答 2023-09-18 来自：开发者社区

flink1.16 batch模式读取kafka任务不退出

做了如下设置 mEnv.setRuntimeMode(RuntimeExecutionMode.BATCH) KafkaSource.builder().setBounded(OffsetsInitializer.latest()) 代码能正常运行，但是读完kafka数据不退出 flink源码: /** * By default the KafkaSource is set to ru...

问答 2023-09-17 来自：开发者社区

Flink这种参数jar任务我们应该怎么提交，是直接设置就行了吗？

bin/flink run \ -Dexecution.checkpointing.interval=10s \ -Dparallelism.default=1 \ -c com.selectdb.flink.tools.cdc.CdcTools \ lib/flink-selectdb-connector-1.17-2.1.0-SNAPSHOT.jar \ mys...

问答 2023-09-13 来自：开发者社区

Flink任务执行完savepoint后对原来算子内部增加了一个状态任务能够恢复成功吗？

问答 2023-09-13 来自：开发者社区

Flink那位遇见提交flink on yarn 任务，yarn资源很足，报创建槽超时的错误？

Flink那位遇见提交flink on yarn 任务，yarn资源很足，但是提交的时候加载不到task Managers，cpu也分配不到，报创建槽超时的错误？

问答 2023-09-13 来自：开发者社区

Flink CDC任务接口比较简单，oracle-cdc 是 2.4.1 版本，能帮忙解答下吗？

Flink CDC任务接口比较简单，oracle-cdc 是 2.4.1 版本，没用到状态，就是读表，记录处理，写表，目前任务的空闲了，没有新增的记录，还是不能savepoint ，这个很困惑, 报错是总是卡在源表的处理上，看不出具体原因，网上 oracle-cdc 那些配置、oracle 数据库表归档日志都已打开，其他大佬们有遇到的，能帮忙解答下吗？按照这里CDB 方式进行 oracle-.....

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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