A rolling upgrade allows a Loud ML instance to be upgraded and minimize service interrupt time.
Rolling upgrades can be performed between minor versions.
To perform a rolling upgrade:
Back up your data
Backup your configuration and model data
tar -zcvf archive.tar.gz /etc/loudml /var/lib/loudml
Stop the running loudmld service.
systemctl stop loudmld
Update the installed package.
Use YUM, (Or APT in Debian distributions) to update to the latest version:
yum update -y loudml
Restart the loudmld service
systemctl start loudmld