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flink问题之1.10升级到1.11 提交到yarn失败如何解决

问题一：pyflink udf中发送rest api会导致udf被调用两次我观察到一个现象：我定义了一个tumble window，调用一个python udf，在这个udf里面使用requests发送rest api。 log显示这个udf会被调用两次。相隔不到一秒。这个是什么原因？reques...

flink1.10升级到flink1.11 提交到yarn失败

原来用1.10使用per job模式，可以提交的作业，现在用1.11使用应用模式提交失败，看日志，也不清楚原因， yarn log： Log Type: jobmanager.err Log Upload Time: Thu Jul 09 21:02:48 +0800 2020 Log Length...

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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

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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