请教下，我使用的flink k8s application模式部署，之前用flink1.13.6_java8跑一个任务，没什么问题，现在升级为1.17.0_java11，反而会出现大量的oomkill，导致TM反复重启，我查的说这个跟jvm overhead区域超用有关，我Tm总内存给了10g，jvm_overhead给到了3g，问题仍然存在？

问答 2024-05-31 来自：开发者社区

Flink CDC里flink Application Mode模式有必要部署 HA吗？

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更新时间 2024-08-14 09:25:54

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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