Cacti

In many cases, it is sufficient to peform the calculation at graphing time. The same CDEF may be applied to any data source item to achieve this. This feature is available since ages with Cacti. R. Yes, I know about CDEFs, but wanted to store data without dividing it just to decrease inaccuracy, wh...

http://www.vandenbogaerdt.nl/rrdtool/ is a great page for understanding how rrdtool works in depth. Thank you. Not what it is what I was expecting to get here, but maybe it's even better =) For those who don't want to read all of available info about RRD or just have no sufficient time I'll answer ...

Cope wrote:Any ideas how to make it graph correctly instead of just increasing and increasing?

Change source data type to COUNTER and remove corresponding RRD file, cacti will re-create it (or change type from GAUGE to COUNTER in it with rrdtool what is a bit complicated)

Hello, all. I'm trying to gather statistics from mysql with php script running on cacti box. Script returns values in correct form and cacti understand it properly and push it into rrd file. But graphs are totally wrong and I can't understand why. Data source type is COUNTER i.e. it is always increa...