实时计算flink实时计算 Flink版job 的相关内容

阿里云文档 2026-03-31

Job实例数据结构-实时计算 Flink版-阿里云

名称类型描述示例值object本数据结构代表已部署作业生成的实例详情。jobIdstring作业实例 ID。354dde66-a3ae-463e-967a-0b4107fd****deploymentIdstring已部署作业 ID。354dde66-a3ae-463e-967a-0b4107fd*...

阿里云文档 2024-09-12

Flink作业性能

您可以查看运行中作业的性能，包括Job Manager与运行Task Managers的CPU、内存和线程的使用情况，这可以协助您定位代码问题，例如作业代码是否存在问题、个别类是否初始化比较慢、个别类是否占用资源比较多等问题。本文为您介绍如何查看作业Job Manager和运行Task Managers的性能。

文章 2024-07-16 来自：开发者社区

实时计算 Flink版产品使用问题之在Flink on Yarn模式下，如何对job作业进行指标监控

问题一：flink1.14的网络缓存消胀机制，如果只是逻辑减少buffer的大小，这是不是会导致内存浪费? flink1.14的网络缓存消胀机制，如果只是逻辑减少buffer的大小，并物理的大小不变，这是不是会导致内存浪费?它是会改变所有的subtask的buffer大小吗？还是只有某个subtask？参考答案： Flink 1.14的网络缓存消胀机...

文章 2024-06-17 来自：开发者社区

实时计算 Flink版操作报错合集之flink on yarn job manager 可以启动，但不给分配slot ，是什么原因

问题一：Flink中打算使用datastream开发设置好参数运行就报这错，是为啥？ Flink中打算使用datastream开发设置好参数运行就报这错，是为啥？参考回答：麻烦您看一下这篇文档，看看是不是这几个原因呢 https://blog.csdn.net/weixin_42376686/article/details/1240068...

文章 2024-05-19 来自：开发者社区

实时计算 Flink版操作报错合集之执行Flink job，报错“Could not execute SQL statement. Reason:org.apache.flink.table.api.ValidationException: One or more required options are missing”，该怎么办

问题一：这里是oracle的2.3.0的Flink CDC 那我的这个有什么具体的问题？ The db history topic or its content is fully or partially missing. Please check database history topic configuration and re-execute the snapshot....

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更新时间 2024-07-17 09:35:08

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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