Why Does Kubelet Modify File Permissions

Recently, I found an interesting effect. I have some pods which use flexVolume, and after pods are Running, I’ll put some readOnly files in this volume directory. The intersting part is that these files will become writable every time after kubelet being restarted.

Core Dump File Size Limit in Docker

Background 工作中遇到这样一个问题,运行环境为Docker容器,由于设置了容器的磁盘大小,但是没有设置core dump file的大小(默认为unlimite