On Fri, 16 Dec 2005, GarconDuMonde clickity clacked: > >>let me know if there is real demand, and somebody is > >>willing to do the userspace part .. we could then go for > >>netlink or relayfs ... > >> > > > I'm interested in monitoring the hell out of the vservers (cpu %, > > loadavg, tokens, memory, network traffic, processes, disk i/o, you > > name it) so I'd be willing to help (please note I haven't used neither > > netlink nor relayfs yet but you learn all your life, don't you?) > > me also! i really don't know that much about kernel stuff at all, and > it's not highest on my list of priorities to learn at the moment, but > i am keen to "monitor the hell out of the vservers" (what a great > phrase!), ultimately on a number of different physical hosts. > currently, the only monitoring tool i really have experience with is > munin, but cacti has been highly recommended to me, so i'm very happy > to learn it and then try to help get it as good as possible for > vserver usage.
AOL (in otherwords: me too!). A side note, cacti is not much different than munin, both use rrd backends, and each is just a different front-end for setting up the graphs and monitoring. I tried cacti a number of times as it was going through some major changes, and I found it had a much higher learning curve than munin and I did not get as much out of it. With munin I was able to write new monitoring plug-ins very quickly and imagine I could do so for vserver monitoring to create interesting graphs, if I knew what values to look at and poll. > > I have a little patch to collect per-server disk usage stats (somewhat > > like /proc/diskstats) but I dropped it from my kernels during the > > recent debugging frenzy and I'm a bit reluctant to apply it again - a > > bit too intrusive for my taste and I don't know whether it's SMP-safe > > really. If anybody is interested, feel free to drop me a note. It would be interesting to have this included in linux-vserver kernel patch! Micah
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