实时计算 Flink版后端的相关内容

问答 2025-05-06 来自：开发者社区

flink用rocksdb作为状态后端，taskmanager重启后rocksdb目录文件会被清空

flink使用rocksdb作为状态后端，当taskmanager重启后，rocksdb中的文件会被清空，是正常的吗？flink.conf关键配置如下： execution.checkpointing.externalized-checkpoint-retention: RETAIN_ON_CANCELLATIONexecution.checkpointing.max-concurrent-ch....

文章 2024-08-26 来自：开发者社区

联通实时计算平台问题之Flink状态后端数据量较大时，问题排查要如何进行

问题一：如何进行端到端的时延监控？如何进行端到端的时延监控？参考回答：通过事件时间的打标（如进出Kafka时间），结合抽样方式计算算子的延迟，以及监控Kafka offset的积压断传来实现端到端时延监控。关于本问题的更多回答可点击原文查看： https://developer.aliyun.com/ask/67081...

问答 2024-08-12 来自：开发者社区

使用RocksDB作为Flink状态后端相比1.0版本有哪些优势？

问答 2024-07-29 来自：开发者社区

Flink状态后端数据量较大时，如何进行问题排查？

问答 2024-07-29 来自：开发者社区

Flink的状态后端在平台中是如何应用的？

文章 2024-07-16 来自：开发者社区

实时计算 Flink版产品使用问题之使用状态后端存储和恢复作业的状态时，如何配置状态后端

问题一：Flink CDC 消费到的binlog可能会是乱序嘛？ Flink CDC 消费到的binlog可能会是乱序嘛？参考答案： Flink CDC在采集binlog的增量数据时，源端的binlog通常是有序的。然而，在后续传输过程中，可能会出现乱序的现象。不过，你不必担心，因为Flink提供了一些机制来保证数据的有序性。例如，你可以解析bi...

问答 2024-06-11 来自：开发者社区

Flink State状态后端类型

问答 2024-05-01 来自：开发者社区

Flink CDC里阿里云的oss作为flink的状态后端配置，有大佬知道怎么用吗？

Flink CDC里阿里云的oss作为flink的状态后端配置，有大佬知道怎么用吗？state.backend: rocksdbstate.checkpoints.dir: oss://your-bucket/flink/checkpointsfs.oss.accessKeyId: your-access-key-idfs.oss.accessKeySecret: your-access-key....

问答 2024-04-10 来自：开发者社区

java flink + kafka,后端状态放hdfs后,每次重启服务,又从最早的消息开始消费问题

java flink + kafka,后端状态放hdfs后,每次重启服务,又从最早的消息开始消费，不是每次会提交检查点到hdfs吗，重启后,不应从最新的检查点开始处理么？

问答 2024-03-11 来自：开发者社区

有一点sql和后端基础，能不能推荐一些Flink入门教程？

有一点sql和后端基础，能不能推荐一些Flink入门教程？视频和文字的都行

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更新时间 2025-05-07 16:01:43

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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