start fresh, make these changes, then start getting data). But if you really want to do this, you need to touch every data-template you are using and set "Step" from 300 seconds (5 minute polling intervall) to 60 seconds.
It supports gathering statistics via native SNMP and also via external scripts. We use Cacti for monitoring Clearwater deployment, in particular large ones running stress.
Doing this however seems to cause excessive load on the server along with many errors being added to /var/log/cacti/(?
) about invalid SQL statements and various other issues with RRD.
Hint, you will need php5.6, not php7.0, as it seems Cacti is broken on php7.0 How to install Cacti on Raspberry Pi running Raspbian Wheezy if you are unsure of your Raspberry Pi’s IP address Log in the with a username/password of admin.
You will be required to change this password immediately.