实时计算 Flink版并行度资源的相关内容

问答 2024-05-08 来自：开发者社区

请教一下Flink中jm、tm和并行度怎么分配资源合适？

我这边有一个作业，每小时大概有84W的数据量进来，然后业务延时特别高，想请教一下Flink中jm、tm和并行度怎么分配资源合适？作业参考：https://vvp.console.aliyun.com/web/d37a7343e1354f/zh/#/workspaces/d37a7343e1354f/namespaces/xygfmp-default/draft/179f7b8c-cc9d-4ee....

问答 2024-05-08 来自：开发者社区

Flink我创建了一个cdc任务，并且使用的是简单模式，在增量阶段增大并行度，会不会造成浪费资源？

Flink我创建了一个cdc任务，并且使用的是简单模式，在增量阶段增大并行度，会不会造成浪费资源，他后续算子会进行数据均衡吗？当我所有的算子都chain在一起的时候，会浪费资源吗？还是说他只能使用一个并行度的资源？

文章 2023-11-28 来自：开发者社区

在Flink中，每个并行度都需要分配一定的资源

这个问题可能是由于资源不足导致的。在Flink中，每个并行度都需要分配一定的资源，包括CPU、内存和网络带宽等。当任务需要的资源超过了可用资源时，就会出现类似“Could not acquire the minimum required resources”的错误提示。针对这个问题，您可以尝试以下几种解决方法：增加并行度&...

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更新时间 2024-05-09 18:33:09

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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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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