实时计算 Flink版minibatch 的相关内容

问答 2024-05-24 来自：开发者社区

Flink开启minibatch table.exec.state.ttl过期后为什么无新数据更新

文章 2024-05-16 来自：开发者社区

实时计算 Flink版产品使用合集之开启 MiniBatch 优化会引入乱序问题如何解决

问题一：Flink这里两个页面显示的cpu怎么不太一样？ Flink这里两个页面显示的cpu怎么不太一样？参考回答： Flink在不同页面上显示的CPU信息可能有所不同，这取决于它们所关注的方面和...

问答 2024-05-10 来自：开发者社区

flink sql 遇到开启MiniBatch后，程序报错

flink版本1.15 在程序中写了,一个子查询进行聚合统计，然后在这个子查询外面再套了一层聚合统计。这样程序就报错了，报错信息如下：java.lang.RuntimeException: Could not instantiate generated class 'GroupAggsHandler$537' at org.apache.flink.table.runtime.genera...

问答 2024-05-07 来自：开发者社区

flink sql 中的lookup join不支持MiniBatch模式吗？

flink版本1.15 请问flink sql 中的lookup join不支持MiniBatch模式吗？我在代码中设了下面3个参数来开启微批处理：tableEnv.getConfig().set("table.exec.mini-batch.enabled", "true");tableEnv.getConfig().set("table.exec.mini-batch.allow-late....

文章 2022-02-16 来自：开发者社区

Flink SQL 功能解密系列 —— 解决热点问题的大杀器MiniBatch

阿里巴巴实时计算团队-墨简在Blink的流式任务中，State相关的操作通常都会成为整个任务的性能瓶颈。实时计算部-查询和优化团队开发了MiniBatch功能，大幅降低了State操作的开销，在今年的双11中，几乎所有适用的任务都启用了MiniBatch功能。 MiniBatch的一个典型场景-无限流上的GroupBy 在Blink-SQL中，通常会使用无限流的GroupBy来完成去重或...

问答 2022-02-15 来自：开发者社区

Flink SQL中的MiniBatch优化的作用是什么？

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更新时间 2024-05-24 23:50:50

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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