Kubernetes pod memory usage breakdown
A better solution would be to install a metrics server along with Prometheus and Grafana in your cluster. Prometheus will scrape the metrics which can be used by Grafana for displaying as graphs. This might be useful.
If you want the processes consumption inside the container, you can go into the container and monitor the processes.
$ docker exec -it <container-name> watch ps -auxMoreover, you can check docker stats.
Following Linux command will summarize the sizes of the directories:
$ du -h