On 07/10/2015 14:58, Grant wrote: >>>> 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?
A few :-) I can't find the plugin that delivers that graph though. Maybe I just don't have it, maybe it comes from contrib/ What's your USE for munin? What do you have in "ls -al /etc/munin/plugins/" ? -- Alan McKinnon alan.mckin...@gmail.com