背景 今天执行k8s命令进入容器内的时候遇到一个报错： kubectl exec -it xxxx-service-bfbd45bb9-ktvzj bash -n bit error: exec [POD] [COMMAND] is not supported anymore. Use exec [POD] -- [C […]
![解决kubectl exec -it xxxx-service-bfbd45bb9-ktvzj bash -n bit error: exec [POD] [COMMAND] is not supported anymore. Use exec [POD] -- [COMMAND] instead See 'kubectl exec -h' for help and examples](data:image/svg+xml;base64,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)
发现问题 线上服务重启，好在抓到了线上服务的dump文件，下载到本地进行分析。 使用MAT打开快照文件，此处省略掉使用MAT的过程，分析发现有大量的com.netflix.servo.monitor.BasicTimer未释放，且被org.springframework.cloud.netflix.metrics.se […]
