Posts Tagged ‘graphing’

Remove Spikes From RRDtool Graphs

I use RRDtool to make graphs on various things I monitor like server stats, network stats and it does a relatively good job. My one (big) complaint is that when you restart you occasionally see these gigantic spikes that completely mess up the data. I’ve even seen spikes larger than what the system [...]

Goodbye MRTG

I’ve finally got just about all the network graphs I maintain using RRDtool rather than MRTG. I started doing this since MRTG isn’t good for graphing things with more than 2 sets of numbers. I started doing this because I wanted to track cable modem data. I figured while I’m at it, [...]