求助，Flink CDC 之前yarn session 上了二十多个SQL任务。一次新提交一个任务，估计是AM资源紧张，一直在提交尝试中。后来就出事故了，网络带宽占满，被数据中心人员找了过来。一看YARN SESSION中的所有的JOB都在initing 中，把任务停掉就降下来了。这种情况帮忙分析一下，是怎么产生的，要如何才能避免呢？动不动就占满带宽影响太大了。所有的CDC表都是latest 启....

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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