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文章 2024-11-25 来自：开发者社区

flink 向doris 数据库写入数据时出现背压如何排查？

确定背压是否存在及程度通过 Flink Web UI 观察：Flink 提供了 Web UI 来监控任务状态。在 Web UI 中，可以查看各个算子（Operator）的反压状态（Back Pressure Status）。绿色表示没有背压，黄色表示可能有轻微背压，红色表示严重背压。确定哪些算子出现背压，重点关注向 Doris 写入数据相关的算子，如Sink算子。...

文章 2024-07-16 来自：开发者社区

实时计算 Flink版产品使用问题之建了一张upsert-kafka的flink表，但是数据为空，该如何排查

问题一：FlinkCDC版本映射的图有吗？ FlinkCDC版本映射的图有吗？参考答案：如下图关于本问题的更多回答可点击进行查看： https:/...

问答 2024-06-08 来自：开发者社区

Flink CDC里oraclecdc监听任务正常启动，监听不到oracle的数据变化，怎么排查？

Flink CDC里oraclecdc监听任务正常启动，监听不到oracle的数据变化，有什么排查问题的点吗？这是开启代码，oracle开启了日志归档，还有一些用户授权，按照官网来的。oracle的配置是开启归档日志，然后对库表也开启。创建新用户并且授权，还有其他的额外配置吗？

问答 2024-05-04 来自：开发者社区

Flink这里有数据但是没有写进 es 应该如何排查？

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更新时间 2024-12-12 13:45:10

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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。

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