https://www.odoo.com/forum/help-1/question/how-to-setup-a-regular-postgresql-database-backup-4728
00 01 * * * nice -19 /home/mbmaster/scripts/backupdb > /dev/null 2>&1
the “nice -19” is important to lower the priority of the backup
# Backup script starts here. #!/bin/bash # Location of the backup logfile. logfile="/home/mbmaster/backups/logfile.log" # Location to place backups. backup_dir="/home/mbmaster/backups" touch $logfile timeslot=`date +%d%m%y%H%M%S` databases=`psql -U postgres -q -c "\l" | awk '{ print $1}' | grep -vE '^\||^-|^List|^Name|template[0|1]|^\('` for i in $databases; do timeinfo=`date '+%T %x'` echo "Backup and Vacuum started at $timeinfo for time slot $timeslot on database: $i " >> $logfile /usr/bin/vacuumdb -z -U postgres $i >/dev/null 2>&1 /usr/bin/pg_dump $i -U postgres | gzip > "$backup_dir/openerp-$i-$timeslot-database.gz" timeinfo=`date '+%T %x'` echo "Backup and Vacuum complete at $timeinfo for time slot $timeslot on database: $i " >> $logfile done #------------------------------------------------- # delete files more than 10 days old find $backup_dir/openerp* -mtime +10 -exec rm {} \;