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Cheers, NM -- Nick Maslov Sent with Airmail On November 29, 2013 at 12:43:26 PM, Eoghan Glynn ([email protected]) wrote: Hi Nick, I'm planning to add rate-per-second meters deriving from the cumulative disk and network meters: https://blueprints.launchpad.net/ceilometer/+spec/rates-derived-from-cumulative However, the intent is to average these over the polling period, which typically would be in the range 60s to 600s, and not to incur the cost of sub-second hypervisor polling. Cheers, Eoghan ----- Original Message ----- > Hi, > > Well, that is the problem exactly - I need to get info every second to track > traffic bursts, i.e. depth of precision should be on seconds level. So, in > my case I`ll have to either poll it every second - or approximate it by > computing an average… > > Thanks a lot for your answers! > > NM > -- > Nick Maslov > Sent with Airmail > > > > On November 29, 2013 at 11:47:50 AM, Julien Danjou ( [email protected] ) > wrote: > > > On Fri, Nov 29 2013, Nick Maslov wrote: > > Hi Nick, > > > How do you think, is it a right way to meter such data with ceilometer? I > > mean, such statistics should be transferred to collector each second, and > > in > > case of >1000 VM`s can easily bring down database. How do you think? > > You don't _have to_ poll every seconds, you can poll every minute and > compute an average. That really depends on what precision you need. > > You can do the same things with the existing samples provided by > Ceilometer. > > -- > Julien Danjou > /* Free Software hacker * independent consultant > http://julien.danjou.info */ > > - signature.asc, 851 bytes > > _______________________________________________ > Mailing list: http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack > Post to : [email protected] > Unsubscribe : http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack >
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