Check official doc for understanding parameters: https://www.odoo.com/documentation/8.0/reference/cmdline.html
dbfilter
dbfilter in config file or --db-filter parameter in running command must be:
^%h$
db_name
be sure, that you don't use db_name in config file and don't run odoo with -d (--database) parameter
workers
Set workers parameter to 3 or above. In some context it could be less, but 3 is enough at any case.
limit_time_cpu
Increase this value. Set it 600 or more.
limit_time_real
Increase this value. Set it 1200 or more.
addons_path
It must include
- odoo addons
- odoo-saas-tools
- dependencies
db_user
Installation script searches for database username in this parameter. In case it isn't set it uses odoo name as default.
Make sure that you have this parameter set in your configuration file or have odoo postgresql role.