实时计算 Flink版任务的相关内容

问答 2023-11-22 来自：开发者社区

Flink CDC提交flink任务到yarn，偶而报错，什么原因？

Flink CDC提交flink任务到yarn，偶而报错Retrying connect to server: 0.0.0.0/0.0.0.0:8030. Already tried 0 time(s); retry policy is RetryUpToMaximumCountWithFixedSleep(maxRetries=10, sleepTime=1000 MILLISECONDS)....

问答 2023-11-22 来自：开发者社区

Flink CDC这不同任务的不同表也需要不同的server-id？

Flink CDC这个是不同任务同一张表需要不同的server-id，还是不同任务的不同表也需要不同的server-id？

问答 2023-11-22 来自：开发者社区

Flink CDC还有其它方式能解决原本的任务数据的一致性么？

Flink CDC中msyql短时间内写入大批量数据正常读取的cdc任务就会不断的报这个错误重启，有时候能成功有时候重启也还是报这个错误，目前还未修复，除了等写入任务结束后，重启任务从最新的日志读，然后补数据，还有其它方式能解决原本的任务数据的一致性么？目前我这边后续还会经常有大批数据写入的情况不然每次都得补一遍数据了，这个值默认的30s 我昨天测试加到60s 300s还是会出现

文章 2023-11-21 来自：开发者社区

Flink作业任务部署解读

1. 引言官方部署介绍：https://nightlies.apache.org/flink/flink-docs-release-1.14/zh/docs/deployment/overview/Flink任务支持许多不同场景的部署，如部署作业任务至Standalone独立集群、Yarn或者K8S，部署流程如下：根据部署流程图，可以知道有如下组件：Flink Client、JobManager....

问答 2023-11-21 来自：开发者社区

Flink CDC1.13版本上部署一个flink1.17为什么任务启动一直accepted状态，？

Flink CDC1.13版本上部署一个flink1.17为什么任务启动一直accepted状态，yarn的，有什么排查方向吗，资源什么的都是充足的？本来是1.13版本然后部署了一个1.17flink在17上提交任务一直accepted状态没变成running，资源什么的我看也是很多的

问答 2023-11-21 来自：开发者社区

Flink CDC启动yarn-session这里指定的资源，是指每提交一个任务都会使用这些资源吗？

Flink CDC启动yarn-session这里指定的资源，是指每提交一个任务都会使用这些资源吗？还是一共使用这些资源？

问答 2023-11-21 来自：开发者社区

Flink CDC 实时同步，任务挂掉了，启动才能保证不丢数据吗

Flink CDC 实时同步，任务挂掉了，再次启动的话是必须从checkpoint启动才能保证不丢数据吗如果checkpoint丢失咋办？2023-11-13 03:33:09,843 ERROR org.apache.flink.util.FatalExitExceptionHandler [] - FATAL: Thread 'flink-scheduler-1...

问答 2023-11-21 来自：开发者社区

Flink CDC1.18跑在k8s，任务提交上去，几十秒自动cancel了，了解吗？

Flink CDC1.18跑在k8s，任务提交上去，几十秒自动cancel了，flink1.13版本没啥问题，有大佬了解吗？

问答 2023-11-21 来自：开发者社区

flink standalone模式，jobmanager无法回收fail的任务，这个怎么解决的?

flink standalone模式，jobmanager无法回收fail的任务，导致oom这个怎么解决的?

问答 2023-11-21 来自：开发者社区

flink在standalone模式下任务失败任务太多次，这个问题有解决方案么?

flink在standalone模式下任务失败任务太多次，会导致jobmanager的jvm heap内存不断增加，这个问题有解决方案么?

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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

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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