Systemd-journald is not respecting the limits set for persistent journal logs for SystemMaxUse parameter

Issue

• systemd-journald not respecting the limits set for persistent journal logs for SystemMaxUse.
• Even with vaccum-time option in journalctl, the files from /var/log/journal/ are not being deleted. Due to which disk space is filling up.

• systemd-journald logs taking more than configured disk space

  # grep -v ^# /etc/systemd/journald.conf 
  [Journal]
  Storage=persistent
  Compress=yes
  SystemMaxUse=330M
  ForwardToSyslog=yes
  

• Journal usage on disk:

  # journalctl --disk-usage  
  Archived and active journals take up 2.8G on disk.
  
  # df -h /var
  Filesystem               Size  Used Avail Use% Mounted on
  /dev/mapper/vg-lv_var   20G   11G  8.0G  58% /var