Disable or Rotate the log in the Debian root file system

Hi,

I am using the custom image 4.4 with Debian 8.4 root file system. I see a log being printed continuously. Could you let me know how to disable the log or rotate the log so that it doesn’t gets filled up.

Thanks,
Veera

/etc/systemd/journald.conf

https://www.freedesktop.org/software/systemd/man/journald.conf.html

Regards,