cool cool. we'll work against that. i want to point out we added a caching mechanism in Juno which i hope helps with the Nova issue -- basically we cache some of the secondary calls we make when gathering information.
https://github.com/openstack/ceilometer/commit/4863fc95bcbbb6f7dbe7e48ef13f370456611738 cheers, gord ---------------------------------------- > From: [email protected] > To: [email protected] > Date: Wed, 27 May 2015 18:53:44 +0000 > Subject: Re: [openstack-dev] [ceilometer][all] Scalable metering > > > We've noticed the load on the Nova and Keystone APIs. It may well be that > there is an increased load on the hypervisor but this is distributed and thus > we might not have seen it. The API impact was significant.... a factor of 14x > increase in API call rate > (http://openstack-in-production.blogspot.de/2014/03/cern-cloud-architecture-update-for.html) > > Tim > >> -----Original Message----- >> From: gordon chung [mailto:[email protected]] >> Sent: 27 May 2015 20:43 >> To: OpenStack Development Mailing List not for usage questions >> Subject: Re: [openstack-dev] [ceilometer][all] Scalable metering >> >> >>> >>> So I agree doing lots of naive polling can lead to issues on even the >>> fastest of APIs, but are there any bugs about this that were opened >>> against nova? At the very least nova should investigate why the >>> specific calls are so slow and see if we what we can do to make them >>> at least a little faster and lighter weight. >>> >>> >> >> good question. Tim, i was also wondering, is the big issue the load on the >> nova >> api or the hypervisor? i'm just trying out a solution that might help >> regarding the >> former. >> >> cheers, >> _________________________________________________________________ >> _________ >> OpenStack Development Mailing List (not for usage questions) >> Unsubscribe: [email protected]?subject:unsubscribe >> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev > > __________________________________________________________________________ > OpenStack Development Mailing List (not for usage questions) > Unsubscribe: [email protected]?subject:unsubscribe > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev __________________________________________________________________________ OpenStack Development Mailing List (not for usage questions) Unsubscribe: [email protected]?subject:unsubscribe http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev
