Client wants graphical representation of users online, registrations/logins/logouts graphics etc. Is RRDtool 开发者_C百科ok for it?
As long as you are focusing on a limited number of data sources, rrdtool is perfect for this.
Good: Number of people logged into the system over the course of a day.
Bad: Individual login and logoff times for each user of the system.
cheers tobi
To answer your question.. It depends on what you want to do. While RRDtool is a great tool, it isn't a trivial task to set it up and manage it's needs.
If you are just wanting to produce nice looking graphs in a way that's more straight forward, consider looking at JpGraph. http://www.aditus.nu/jpgraph/features_gallery.php
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