I'm not in love with a lot of its inner workings, but Cacti is built on rrdtool and very capable in terms of memcached graphing. It has plugins that let you generate graphs for things like Hits/Misses, Bytes Used, Sets, Gets, Network Traffic, Items Cached, etc...
http://dealnews.com/developers/cacti/memcached.html <http://dealnews.com/developers/cacti/memcached.html> On Sun, Jul 25, 2010 at 12:53 PM, Les Mikesell <[email protected]>wrote: > I know rrdtool (and the jrobin equivalent in java) can do it, but that's a > fairly low level tool. I was hoping to find some generic framework that > could accept either counter or gauge type values and do the rest for you > including a web graph display. I'd think this would be a common problem but > I haven't found any high-level tools that aren't married to snmp for the > input. > > -Les > > > > Gavin M. Roy wrote: > >> I use RRDTool for this with derive counter types. Collect the data you >> want from the stats command and use rrdtool to store the data every minute, >> graph it out with rrdtool graph and you'll get your trended stats. >> >> > hi, i am newbie to memcached. I need help in finding how to get >> throughput stat. >> >> I want to see how much throughput memcache is getting. >> "stats" command >> does not list any stat for through put (requests per sec). >> Any idea on >> how to go about getting that info? Does memcache keep track >> of this >> information? >> >> >> It's rare to keep derived stats like that in general. It's >> usually >> not interesting. Do you want average requests per second over the >> lifetime of the process? Over the last second?, 60 seconds? >> 300, 900, >> 3600, etc... >> >> Most of the time, this is easily observable from the outside. >> Collect counters -- wait a bit, collect them again, then do your >> own >> math. That'll give you exactly what you want. >> >> >> It's a bit off topic for this list, but does anyone know if there >> are good generic tools for that? There are quite a few designed to >> convert SNMP 'COUNTER' types to rates, check thresholds and keep >> history to graph the trends, but usually the SNMP sampling is >> closely coupled to the rest of the logic. I think OpenNMS might do >> it with values it can pick up with http requests but I'm not sure >> how well it handles the spikes that would appear from restarts and >> value rollovers. >> >> -- Les Mikesell >> [email protected] <mailto:[email protected]> >> >> >> > -- awl
