实时计算 Flink版任务的相关内容

问答 2023-12-11 来自：开发者社区

Flink CDC用mysql cdc2.3跨坐同步，从任务启动10分钟内没有数据。什么原因？

Flink CDC用mysql cdc2.3跨坐同步，从指定时间戳5分钟前同步，任务表象是1.任务启动10分钟内没有数据，10分钟后有数据进入。2.运维告警，在我们任务启动后的10分钟左右专线带宽拉满了。想问一下，mysql cdc从指定时间戳同步是不是会抽取数据源全量binkog到 cdc，然后cdc再根据时间戳进行过滤？跨云同步

问答 2023-12-11 来自：开发者社区

Flink CDC跑联表任务时候，程序的内存会慢慢增大，这个报错是因为什么呢？

Flink CDC跑联表任务时候，程序的内存会慢慢增大，达到4G左右的时候会突然降到300M,同时jobmanager日志里显示有报错ERROR org.apache.flink.runtime.rest.handler.taskmanager.TaskManagerStdoutFileHandler [] - Failed to transfer file from TaskExecutor ....

问答 2023-12-11 来自：开发者社区

Flink CDC中flink run命令启动任务后，我vim XX.jar 里面能找到这个包呀？

Flink CDC中flink run命令启动任务后，log里提示少包，但是我vim XX.jar 里面能找到这个包呀？

问答 2023-12-11 来自：开发者社区

Flink CDC 我提交任务到k8s上运行。但里面设置的checkpoint的时间间隔一直不生效？

Flink CDC 我提交任务到k8s上运行。但里面设置的checkpoint的时间间隔一直不生效？（我在代码中设置的是720000ms，720s但是web界面显示的是默认值30s，如下图），请问如何使这个值生效呀？我的任务提交语句是./bin/flink run-application --target kubernetes-application --parallelism 3 -Dkube....

问答 2023-12-10 来自：开发者社区

Flink CDC的RestClusterClient停止任务，报这个错，要怎么解决？

Flink CDC的RestClusterClient停止任务，调用stopWithSavepoint方法，报这个错，要怎么解决？Caused by: java.lang.IllegalStateException: executor not accepting a task at org.apache.flink.shaded.netty4.io.netty.resolver.Addre...

问答 2023-12-10 来自：开发者社区

Flink CDC这个任务我是从17:30开始跑得，也就是说过了6个小时开始报错？

问答 2023-12-10 来自：开发者社区

Flink CDC调整了binlog保存时间后运行任务。又出现了报错。如下图。能否帮忙看一下呀？

Flink CDC调整了binlog保存时间后运行任务。又出现了报错。如下图。查看日志似乎是找不到checkpoint了。能否帮忙看一下呀？。下面是提交的运行语句，报错图和日志：./bin/flink run-application --target kubernetes-application -Dkubernetes.cluster-id=cluster231205aa -Dkubernet....

问答 2023-12-10 来自：开发者社区

Flink CDC临时新增一个batch任务对于线上的变更来说，还是有一些额外的风险。流程也很长？

Flink CDC临时新增一个batch任务对于线上的变更来说，还是有一些额外的风险。变更管理严格的场景下，流程也很长？

问答 2023-12-10 来自：开发者社区

Flink CDC怎么样配置任务，能实现实时同步多张MySQL源表时，只读取一次binlog？

问答 2023-12-10 来自：开发者社区

Flink CDC有没有遇到过Completed Job List任务数不全的问题?

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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