实时计算 Flink版查询数据的相关内容

问答 2023-12-20 来自：开发者社区

Flink CDC中flink sql查询数据的时候，经常出现这种报错是什么原因啊？

Flink CDC中flink sql查询数据的时候，经常出现这种报错是什么原因啊？[ERROR] Could not execute SQL statement. Reason:org.apache.flink.shaded.netty4.io.netty.channel.ConnectTimeoutException: connection timed out: localhost/127.....

问答 2023-12-13 来自：开发者社区

有什么办法让flink只查询cache的数据？

使用flink sql 的lookup join，一边是kafka流表，一边是mysql维表，我启用了cache，有什么办法让flink只查询cache的数据，如果查不到就直接输出join结果，不要再去mysql里查数据？

问答 2023-10-25 来自：开发者社区

flink sql为什么查询不到数据？

问答 2023-08-16 来自：开发者社区

Hudi 在不依赖Flink 和 Spark 的情况是否还有其他方式可以查询hudi的数据

hudi入门小白，Hudi 在不依赖Flink 和 Spark 的情况是否还有其他方式可以查询hudi的数据，通过hudi-cli 查询到的好像只能查看一些提交信息和元数据(可能是我打开方式不对), 各位大佬有什么好的推荐？

问答 2023-07-25 来自：开发者社区

有没有人用flink查询clickhouse数据去重的？

问答 2023-03-21 来自：开发者社区

用flink cdc查询插入几万条数据的表到hudi表，有什么可以设置不超时吗？

用flink cdc查询插入几万条数据的表到hudi表，有什么可以设置不超时吗，这些设置完运行后，检查点变成了10分钟一次，还是超时了

问答 2023-03-13 来自：开发者社区

关于Flink CDC，查询几小时查不到数据，请问这是什么原因呢？

关于Flink CDC，HDFS 相应的表数据存储目录下有数据有上千条但是Flink sql 查询几小时查不到数据，请问这是什么原因呢？

问答 2023-02-27 来自：开发者社区

Flink SQL查询一亿条数据，性能怎么优化？

问答 2023-01-09 来自：开发者社区

flink查询hive数据,cdh安装的,不能用官网的包吗?

问答 2022-11-13 来自：开发者社区

各位大佬，请教一下，如果在flink cdc sql客户端使用SQL查询表，怎么能记录原系统的数据

各位大佬，请教一下，如果在flink cdc sql客户端使用SQL查询表，怎么能记录原系统的数据是变更还是删除操作状态及时间呢？

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更新时间 2024-08-15 09:17:30

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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

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功能对比

开源Flink对比

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作业自动调优