实时计算 Flink版job报错的相关内容

阿里云文档 2025-02-27

想问下Flink CDC job 报错、重试失败退出之后重新拉起作业之后怎么回到之前的增量同步点？

想问下Flink CDC job 报错、重试失败退出之后重新拉起作业之后有办法回到之前的增量同步点继续同步吗？

问答 2022-11-28 来自：开发者社区

请教各位大佬，flink job里增加算子，从checkpoint恢复报错， The ne

请教各位大佬，flink job里增加算子，从checkpoint恢复报错， The new state typeSerializer for operator state must not be incompatible. 这个有没有好的方案？

阿里云文档 2022-09-16

问题描述Dataphin新建Ververica Flink计算源,报错"测试连接失败，请确保填写连接信息无误，错误信息：DPN.ComputeEngine.Connect.Failed"。解决方案Dataphin计算源Project Name填写错误。如果计算源配置的是Flink Vvp（Verve...

阿里云文档 2022-01-13

问题描述Dataphin中Flink任务执行报错。CREATE TEMPORARY TABLE tbl_test( id int, num int ) WITH ( 'connector' = 'kafka', 'topic' = 'order_line', 'properties.bo...

问答 2019-05-13 来自：开发者社区

flink在执行job时checkpoint报错

Flink版本是1.8standardalone cluster模式3台机器执行的时候一直出hdfs权限错误，查看了hdfs目录权限好像是没问题 AsynchronousException{java.lang.Exception: Could not materialize checkpoint 27 for operator Source: Custom Source (2/2).} ...

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更新时间 2024-08-20 13:17:07

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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。

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实时同步

MySQL 到 Hologres

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功能对比

开源Flink对比

成本优化

作业自动调优