实时计算 Flink版分配slot 的相关内容

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 2023-10-21 来自：开发者社区

在Flink中，每个表都会分配一个或多个slot

在Flink中，每个表都会分配一个或多个slot，用于处理该表的数据。这些slot的数量是由Flink的并行度设定的。默认情况下，每个表都会有一个slot，这是因为Flink默认的并行度是1。这意味着只有一个TaskManager会被分配来处理这个表的数据。然而，你可以通过调整Flink的并行度来改变这个行为。例如...

问答 2023-07-18 来自：开发者社区

flink对task分配slot问题

请教一个问题，当前同一个job下的多个task（不在一个算子链）中，都会存在某一个subTask任务过重，这些subTask会分配到同一个slot下吗？ flink在对subTask分配slot时候，会先判断slot当前存在的任务数，磁盘IO之类的吗？*来自志愿者整理的flink邮件归档

问答 2020-09-03 来自：开发者社区

Flink程序，一条数据keyBy后是分配到固定的同一个slot吗

如题，部署在yarn上，一条数据根据特征值keyBy，是会分配同一个slot（即同一个线程）？这个slot是不是固定不变？因为我想把一些数据缓存在同一个slot，等待下一次有相同特征值的数据使用

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更新时间 2024-06-18 09:34:34

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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