Trendz Analytics CentOS/RHEL 1.9.x Upgrade Instructions

Prepare for upgrading Trendz Analytics

Stop Trendz Analytics

Check that the Trendz service is stopped.

sudo systemctl stop trendz

sudo systemctl status trendz

Backup database

Make a backup of the database before upgrading.

sudo -u postgres psql -c "SELECT pg_size_pretty( pg_database_size('trendz') );"

df -h /

If there is enough free space, create a backup:

sudo -Hiu postgres pg_dump trendz > trendz.sql.bak