实时计算 Flink版任务的相关内容

问答 2023-10-31 来自：开发者社区

Flink CDC我已经设置了ck超时时间5min，而且我发现在ck失败后不是会重启任务嘛？

Flink CDC我已经设置了ck超时时间5min，而且我发现在ck失败后不是会重启任务嘛，一直取消不掉任务，还把task给kill了，这咋排查呢？ Exceeded checkpoint tolerable failure threshold. The latest checkpoint failed due to Checkpoint expired before completing., ....

问答 2023-10-31 来自：开发者社区

Flink CDC中通过yarn-per-job 其他任务都在ACCEPTED状态？

Flink CDC中通过yarn-per-job 提交flink 任务到yarn 上当一张表写入多个数据源(也就是说有多个insert 语句 StreamStatementSet)然后yarn 上有几个insert语句就会申请几个yarn 任务id 但是只是只有第一个yarn 任务能到running的状态其他任务都在ACCEPTED状态？

问答 2023-10-29 来自：开发者社区

请教一下：现在要改成大数据计算MaxCompute话要怎么实现呢这个实时计算任务呢？

请教一下：在原来的数据处理架构中有一个Apache FLink任务实时消费Kafka 做一个窗口的计算现在要改成大数据计算MaxCompute话要怎么实现呢这个实时计算任务呢？

问答 2023-10-25 来自：开发者社区

一个flink任务应该怎么进行性能测试，包含哪几方面？

问答 2023-10-25 来自：开发者社区

Flink中集成celeborn时，用kyuubi提交spark3.0版本的任务有的报错，怎么处理？

Flink中我在集成celeborn的时候，使用kyuubi提交spark3.0版本的任务有的sql会有报错，100%复现，用命令行提交就没问题，怎么处理？

问答 2023-10-24 来自：开发者社区

flink on yarn 环境，当任务程序包和配置文件目录config分离，应该怎么启动任务程序？

flink on yarn 环境，当任务程序包和配置文件目录config分离，并上传到HDFS时，应该怎么启动任务程序？

问答 2023-10-23 来自：开发者社区

Flink CDC任务， Source的2个subtask不均匀，这种情况一般是什么导致的？

Flink CDC任务， Source的2个subtask不均匀，一个subtask的Records Sent是有值，另外的一个subtask的Records Sent为0，这种情况一般是什么导致的？

问答 2023-10-23 来自：开发者社区

Flink CDC的资源有限，估摸也就几十G可用，增加一个flinksql任务，这样下去哪受得了呢?

Flink CDC的资源有限，估摸也就几十G可用，增加一个flinksql任务，至少消耗一个task Manager的资源，这样下去哪受得了呢?

问答 2023-10-22 来自：开发者社区

Flink CDC yarn-per 模式提交flink任务，这个是什么情况？

Flink CDC yarn-per 模式提交flink任务，yarn上会给定一个application_id和url地址。但是我发现这个url地址某个时刻改变了，对应的job的启动时间也变了。感觉像是容器切换了，这个是什么情况？

问答 2023-10-22 来自：开发者社区

Flink CDC任务因为一些原因停止后，如何配置可以让flink自动找到新的binlog?

Flink CDC任务因为一些原因停止后，从savePoint重启，正好遇到了监听的mysql的binlog轮换，这样启动就会报错binlog找不到。如何配置可以让flink自动找到新的binlog?

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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