实时计算 Flink版cdc内存的相关内容

阿里云文档 2024-10-14

Flink CDC写入MaxCompute

MaxCompute为您提供对接Flink CDC的新版插件Connector连接器。您可以通过对接Flink CDC，将数据源（例如MySQL）数据实时同步至MaxCompute的目标表（普通表或Delta表）。本文为您介绍MaxCompute新版插件的能力支持情况与主要操作流程。

问答 2024-08-19 来自：开发者社区

flink cdc同步数据的资源，比如内存，cpu这些有什么参考依据吗？

问答 2024-08-13 来自：开发者社区

在Flink CDC中，oraclecdc3.0同步36张表导致pga内存过高报错？

在Flink CDC中，oraclecdc3.0同步36张表导致pga内存过高报错， Oracle 侧pga内存30g。有什么参数优化建议吗？java.sql.SQLException: ORA-00604: error occurred at recursive SQL level 1ORA-04036: PGA memory used by the instance exceeds PGA_....

问答 2024-07-03 来自：开发者社区

对于Flink CDC，偶然重启，怎么会内存溢出呢？

Flink偶然重启出现下面的错误：对于Flink CDC，偶然重启，怎么会内存溢出呢？

问答 2024-06-26 来自：开发者社区

Flink CDC中 2.2.1 造成oracle session数过多，吃内存有优化的方案没呢？

问答 2024-06-25 来自：开发者社区

flink cdc抽mysql中的数据和实时数据流进行join，托管内存为什么会直接被拉满？

我用flink cdc抽mysql中的数据和实时数据流进行join，flink的托管内存在任务启动时就直接拉满了，但是实际的cdc抽的数据时没有这么多的，预估的cdc抽过来的数据只有2g，请问托管内存为什么会直接被拉满？

问答 2024-05-20 来自：开发者社区

flink cdc报错，这个是因为什么资源不够了。内存吗？

flink cdc报错，这个是因为什么资源不够了。内存吗？slot 配置到 20 也不行，24c ,32GB内存的服务器，slot 配置多少合适？。我这个任务总是跑到 50% 就报错这个错。我的是单节点flink

文章 2024-05-17 来自：开发者社区

实时计算 Flink版产品使用合集之idea本地测试代码，要增大 Flink CDC 在本地 IDEA 测试环境中的内存大小如何解决

问题一：请问下Flink CDC：oracle-cdc有没有类似于mysql里面的配置呢？请问下Flink CDC：oracle-cdc有没有类似于mysql里面的 scanNewlyAddedTableEnabled(true)的配置呢？参考回答：没有，oracle cdc 还不支持，技术上没问题，还没来得及排期关于本问题...

问答 2024-05-15 来自：开发者社区

Flink CDC请问这种情况是只能增大taskmanager的堆内存吗？

Flink CDC使用MongoCDC同步全量数据的时候，固定在同步到2000w数据左右报错 “java.lang.OutOfMemoryError: GC overhead limit exceeded”，请问大佬们这种情况是只能增大taskmanager的堆内存吗？

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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