实时计算 Flink版rocksdb存储的相关内容

阿里云文档 2026-04-09

连接器问题

本文为您介绍实时计算Flink版连接器方面的常见问题。

阿里云文档 2026-04-09

企业级状态后端存储调优参数详解-实时计算 Flink版-阿里云

本文为您介绍在使用企业级状态后端存储GeminiStateBackend时，可能会用到的一些调优参数。

阿里云文档 2026-04-09

Gemini介绍

GeminiStateBackend是一款面向流计算场景的KV存储引擎，作为实时计算Flink版产品的默认状态存储后端（StateBackend）。本文为您介绍企业级状态后端存储GeminiStateBackend的核心设计，以及其与RocksDBStateBackend的性能对比情况。

阿里云文档 2025-08-27

全托管存储公测

实时计算Flink团队开发的全托管存储功能开始公测。相比原有绑定您OSS Bucket的存储方式，全托管存储实现了Flink平台对存储的统一管理，Flink作业运行需要或产生的内部数据文件（例如作业系统检查点、作业快照、日志和JAR包等）将统一存储在Flink平台。全托管存储凭借自动化运维、弹性资源调配、数据可视化及高性能存储等优势，为Flink作业的稳定性和效率提供强大支撑。

问答 2024-02-01 来自：开发者社区

Flink CDC里rocksdb是不是不支持存储到节点挂载的cifs存储上？

问答 2024-02-01 来自：开发者社区

Flink CDC里rocksdb写在mount挂载点的存储上，ck就会报错，请问是什么原因？

问答 2024-02-01 来自：开发者社区

Flink的rocksdb放在外挂的cifs存储，job执行报错，是不支持吗？

问答 2023-11-06 来自：开发者社区

Flink CDC我想给rocksdb配个存储路径，启动的时候为啥会报不支持相对路径呢？

Flink CDC我想给rocksdb配个存储路径，启动的时候为啥会报不支持相对路径呢，我这个配置的不是绝对径路么？

阿里云文档 2022-12-28

如何在Flink集群中配置OSS来存储Checkpoint和Savepoint

本文通过示例为您介绍如何在E-MapReduce on ACK的Flink集群中配置OSS来存储Flink作业的Checkpoint和Savepoint。

问答 2018-11-19 来自：开发者社区

flink state.backend是rocksdb，存储在hdfs上，经常遇到checkpoint执行不成功的情况 checkpoint超时过期的原因（设置checkpoint超时为60s）

flink程序在yarn上执行 kafka source topic分区为20 设置程序并行度为10，-yn 2 -ys 5 -ytm 26600 -yjm 5120，我看到网上有说是因为程序并行度太高导致打开的文件数太多，从而导致的在hdfs创建文件不成功，但是我的并行度设置的并不高啊，有知道原因的吗？请赐教具体报错如下：AsynchronousException{java.lang.Exc....

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更新时间 2024-04-18 13:46:18

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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