实时计算 Flink版job表数据的相关内容

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版产品使用问题之如何在外部查询某个job中的表数据

问题一：升级到flink1.17.1 + cdc2.3或更高版本，经常出现无法连接数据帮忙看下是怎么回事呢？使用flink1.17.1 + cdc2.2.1启动的job没有问题，可以连续启动三四个。但是当升级到flink1.17.1 + cdc2.3或更高版本（比如2.4、2.4.2、3.0）时，经常出现无法连接数据库的问题，而且每次提交到第二个或第三个job基本上就一定会出现复制错误...

文章 2024-03-18 来自：开发者社区

Flink CDC 在外部查询某个 job 中的表数据

Flink CDC 在外部查询某个 job 中的表数据，可以通过以下步骤实现：首先，需要确定该 job 中表的输出位置。Flink CDC 将采集到的数据写入到指定的 sink 中，例如 Kafka、Pulsar、Elasticsearch 等。因此，你需要知道该 job 中表的 sink 类型和地址信息。然后࿰...

问答 2024-01-01 来自：开发者社区

Flink CDC需要对单表做启停。如果多表在一个job里面，可以过滤单表数据吗？

Flink CDC需要对单表做启停。如果多表在一个job里面，可以过滤单表数据吗？ABC 三个表。 C表可能加了字段，在不影响BC的情况下。我就只能想到一个表一个job了。不影响AB的情况下

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更新时间 2024-07-17 09:28:02

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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