消息flink分区

Flink kafka-Flink作业不向不同分区发送消息

例如：如果我放置一个包含100条记录的文件，flink会向分区1发送少量消息，少数消息发送到分区2，因此消费者都会获得少量消息。场景2：当我创建上述代码的jar并在flink服务器上运行它时，flink将所有msgs发送到一个分区，因此只有一个消费者...

kafka作为消息调度程序进行flink-分区

我有一个进程需要将一些数据发送到flink集群（通过kafka），由3个节点组成。据我所知，总共会有两个不同的主题。所有消息都将加上时间戳。消息顺序必须保持不变。我无法理解消息分区（密钥）背后的机制。如果我希望有一个如上所述的简单...

flink sql消费kafka各分区消息不均衡问题

flink sql消费kafka消息做数据同步，前期没有出现堆积不均的问题，这两天发现某些kafka分区积压特别多，会是什么原因造成的？怎样解决呢？从统计结果上看，消息还算均匀地打到各个kafka分区上。作业没有开窗和聚合，只是攒一批写一批这样子...

flink sql 消费kafka 消息写入Hive不提交分区

我这边从kafka消费信息，然后写入到Hive中，目前发现不提交分区，不提交分区的原因是watemark是负数的，不清楚这个负数的watermark是怎么出现的？...

大神们，数据在kafka的分区里是有序的，flink消费kafka分区，sink到es，怎么保持消息

大神们，数据在kafka的分区里是有序的，flink消费kafka分区，sink到es，怎么保持消息有序呢？

Apache Flink-kafka生产者将消息传递给kafka主题，但在不同的分区上

现在我的flink代码正在处理一个文件并使用1分区将kafka主题上的数据下沉。现在我有一个带有2分区的主题，我希望flink代码使用DefaultPartitioner在这两个分区上接收数据。你能帮帮我吗？这是我当前代码的代码片段：DataStream speStream=...

flinksql1.11 使用eventime消费kafka多分区时,没有水位线信息,聚合计算也不出

大佬好,我在1.11版本测试flink sql时发现一个问题,用streaming api 消费kafka,使用eventtime,再把stream转table,进行sql聚合,发现当kafka topic是多个分区时,flink webui watermarks 显示No Watermark,聚合计算也迟迟不触发计算,但当kafka ...

flink分区消息相关内容

.kafka消息flink分区

flink更多"分区"相关

.flink运行时分区 .flinktopic分区 .flink不同分区 .flink结果分区 .flink数据分区 .flink分区策略 .kafkaflink分区

flink消息分区相关内容

.flinkkafka消息 .apiflink消息 .consumerflink消息 .flink消费消息

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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。

实时同步

功能对比

成本优化