Startup slow due to securityContext with large log volume

**Apache Airflow version**: 2.0.0 **Kubernetes version (if you are using kubernetes)** (use `kubectl version`): 1.11 - **Cloud provider or hardware configuration**: alicloud - **Install tools**: helm chart - **Others**: **What happened**: `uid/gid` causes a massive delay on starting webserver with a large log volume. default behavior for Kubernetes to run chown recursively on the entire volume at mount time when fsGroup is set: https://github.com/kubernetes/kubernetes/issues/67014 **What you expected to happen**: <!-- What do you think went wrong? --> **How to reproduce it**: