实时计算 Flink版hdfs数据的相关内容

阿里云文档 2025-02-19

使用Tablestore+Flink搭建高性能实时交易统计系统

本文为您介绍使用表格存储和Flink实现交易数据实时统计的样例场景、架构设计和实现方案。

问答 2025-02-17 来自：开发者社区

flink 读取oss-hdfs数据问题

Flink 尝试从 OSS 获取分区信息时，由于权限不足导致访问被拒绝。但是注意到这里的endpoint实际上是oss的endpoint，但是我的数据存储在oss-hdfs中，请问我该如何访问到oss-hdfs中的数据？已经在配置文件中设置fs.oss.jindo.endpoint: cn-beijing.oss-dls.aliyuncs.com

阿里云文档 2025-02-06

如何使用Flink处理表格存储数据

本文为您介绍如何使用Flink计算表格存储（Tablestore）的数据，表格存储中的数据表或时序表均可作为实时计算Flink的源表或结果表进行使用。

阿里云文档 2024-08-14

清理过期数据

清理过期数据可以释放存储空间，优化资源利用并提升系统运行效率等。本文为您介绍如何清理Paimon表过期数据，包括调整快照文件过期时间、设置分区的过期时间、以及清理废弃文件。

阿里云文档 2024-07-30

通过Flink将数据批量导入到Hologres

Hologres推出的新版Flink Connector插件，支持通过Flink将数据批量导入到Hologres，实现高效且低负载的数据导入。

文章 2024-07-17 来自：开发者社区

实时计算 Flink版操作报错合集之Hadoop在将文件写入HDFS时，无法在所有指定的数据节点上进行复制，该如何解决

问题一：Flink CDC里flinkcdc写hudi的时候这个错误怎么弄？ Flink CDC里flinkcdc写hudi的时候这个错误怎么弄？ own Source) at org.apache.hadoop.hdfs.DF...

阿里云文档 2024-05-16

Paimon表数据写入和消费

本文为您介绍如何在实时计算开发控制台向Paimon表中插入、更新、覆写或删除数据，以及从Paimon表消费数据，并指定消费位点。

问答 2023-01-16 来自：开发者社区

Flink往hdfs某个指定分区写数据，写一段时间为什么重命名失败？

最近flink落hdfs遇到一个问题，往hdfs某个指定分区写数据，写一段时间taskmanager发生自重启就会出现相同的文件，导致重命名失败，.part-a55f572a-4ccc-47bf-b8d5-9a2591907190-2-87.inprogress.dc5a6ac4-bbc3-4881-ac8e-89d45c6efde9

文章 2022-02-17 来自：开发者社区

Flink落HDFS数据按事件时间分区解决方案

0x1 摘要 Hive离线数仓中为了查询分析方便，几乎所有表都会划分分区，最为常见的是按天分区，Flink通过以下配置把数据写入HDFS， BucketingSink<Object> sink = new BucketingSink<>(path); //通过这样的方式来实现数据跨天分区 sink.setBucketer(new DateTimeBucketer<&a...

问答 2022-02-15 来自：开发者社区

flink用IDEA本地运行可以读取HDFS数据，然后把项目打包提交到flink集群，无法读取HDFS数据，出现以下错误，这是为何？

The program finished with the following exception: org.apache.flink.client.program.ProgramInvocationException: Job failed. (JobID: 74a2d820909fee963c4dea371b5c236c) at org.apache.flink.client.pr...

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更新时间 2025-02-17 13:47:10

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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。

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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