journald logs disk usage group by/per unit/container

logs.sh

#!/bin/bash

echo "***************************** CONTAINERS *****************************"
for F in `journalctl -F CONTAINER_NAME`
do
  echo "$(journalctl CONTAINER_NAME=$F | wc -c | awk '{ print $1/1024/1024"MB" }') $F"
done | sort -nrk 1 | column -c 2

echo "***************************** UNITS *****************************"
for F in `journalctl -F UNIT`
do
  echo "$(journalctl UNIT=$F | wc -c | awk '{ print $1/1024/1024"MB" }') $F"
done | sort -nrk 1 | column -c 2