>>> I've attached a PNG from Munin showing the TCP timeout errors on my >>> Gentoo server over the past month. The data is expressed in timeouts >>> per second and that rate is shown to be steadily increasing over the >>> past month. That seems strange to me. Munin doesn't show any other >>> data point increasing like this over the time period. Any ideas? >>> >>> - Grant >>> >> >> weird - does it reset on an interface restart or reboot? > > this would be my test #1
I rebooted and the rate of errors has dropped off to almost nothing. >> Can you verify its not an artefact within munin (how?) > > In theory, a misconfigured graph can do this. Munin can draw many > different types of graph, including cumulative values. Even for a data > type like this which is X events per unit time, if you tell munin to add > them all up, it will do so and graph it. > > Qucik test is to look at the graph config. This graph lives in the "network" section of the munin web interface. There is no matching section in /etc/munin/plugin-conf.d/munin-node so it should be be using the default config. Any ideas based on this new info? - Grant
