Thanks for the confirmation Nirmal. On Wed, May 28, 2014 at 3:20 PM, Nirmal Fernando <[email protected]> wrote: > > > > On Wed, May 28, 2014 at 4:49 PM, chris snow <[email protected]> wrote: >> >> Hi Imesh, >> >> The autoscale policy relates to the cartridge, but on LXC you aren't >> monitoring the cartridge value, instead you are monitoring the host. >> If the load average hits a threshold because the host is presumably >> under duress so the last thing you will want to do is spawn more LXC >> instances on the host? > > > Correct! >> >> >> Cheers, >> >> Chris >> >> >> >> On Wed, May 28, 2014 at 11:16 AM, Imesh Gunaratne <[email protected]> >> wrote: >> > Hi Chris, >> > >> > Thanks for the quick response. >> > Right, I still don't get why we cannot adjust the threshold values and >> > fix >> > it. >> > >> > Thanks >> > >> > >> > On Wed, May 28, 2014 at 11:37 AM, chris snow <[email protected]> >> > wrote: >> >> >> >> Hi Imesh, >> >> >> >> I haven't looked into this in any more detail. All I have done is >> >> removed >> >> those parameters from my auto scaling policy. >> >> >> >> Many thanks, >> >> Chris >> >> >> >> On 28 May 2014 05:58, "Imesh Gunaratne" <[email protected]> wrote: >> >>> >> >>> Hi Chris, >> >>> >> >>> Were you able to check the memory consumption and load average values >> >>> sent to Autoscaler by any chance? >> >>> >> >>> Thanks >> >>> >> >>> >> >>> On Mon, May 26, 2014 at 6:31 PM, chris snow <[email protected]> >> >>> wrote: >> >>>> >> >>>> Hi Lahiru, >> >>>> >> >>>> It looks like there's some good info here [1]. However, as a first >> >>>> step, I was wondering whether we should add a note to the wiki to >> >>>> recommend not using the memory consumption or load average parameters >> >>>> for docker/lxc guests [2]? >> >>>> >> >>>> Cheers, >> >>>> >> >>>> Chris >> >>>> >> >>>> --- >> >>>> [1] >> >>>> >> >>>> http://blog.docker.io/2013/10/gathering-lxc-docker-containers-metrics/ >> >>>> [2 >> >>>> >> >>>> https://cwiki.apache.org/confluence/display/STRATOS/4.0.0+Auto-scaling+Guide#id-4.0.0Auto-scalingGuide-memoryConsumptio >> >>>> >> >>>> On Mon, May 26, 2014 at 1:24 PM, Lahiru Sandaruwan <[email protected]> >> >>>> wrote: >> >>>> > Hi Chis. >> >>>> > >> >>>> > >> >>>> > On Mon, May 26, 2014 at 5:27 PM, chris snow <[email protected]> >> >>>> > wrote: >> >>>> >> >> >>>> >> Hi Guys, >> >>>> >> >> >>>> >> I noticed on my stratos+openstack+docker installation that stratos >> >>>> >> was >> >>>> >> getting into a cycle trying to spawn new instances. >> >>>> >> >> >>>> >> I think this is because load average (and probably memory >> >>>> >> consumption) >> >>>> >> on lxc/docker instances is the same value as for the host [1]. >> >>>> >> >> >>>> >> Question: Am I correct in thinking that load average and memory >> >>>> >> consumption autoscaling parameters aren't a good idea for docker >> >>>> >> guests? >> >>>> > >> >>>> > >> >>>> > Is there a way to find out the load average and memory consumption >> >>>> > of >> >>>> > the >> >>>> > guest? >> >>>> > >> >>>> > I think the proper solution is to customize/fix Cartridge agent >> >>>> > find >> >>>> > out >> >>>> > relevant values in these type of environments and publish stats to >> >>>> > CEP. >> >>>> > >> >>>> > Thanks. >> >>>> >> >> >>>> >> >> >>>> >> Many thanks, >> >>>> >> >> >>>> >> Chris >> >>>> >> >> >>>> >> --- >> >>>> >> [1] >> >>>> >> >> >>>> >> >> >>>> >> http://unix.stackexchange.com/questions/132021/is-a-lxc-docker-guest-load-average-the-same-as-the-hosts-load-average >> >>>> > >> >>>> > >> >>>> > >> >>>> > >> >>>> > -- >> >>>> > -- >> >>>> > Lahiru Sandaruwan >> >>>> > Committer and PMC member, Apache Stratos, >> >>>> > Senior Software Engineer, >> >>>> > WSO2 Inc., http://wso2.com >> >>>> > lean.enterprise.middleware >> >>>> > >> >>>> > email: [email protected] cell: (+94) 773 325 954 >> >>>> > blog: http://lahiruwrites.blogspot.com/ >> >>>> > twitter: http://twitter.com/lahirus >> >>>> > linked-in: http://lk.linkedin.com/pub/lahiru-sandaruwan/16/153/146 >> >>>> > >> >>>> >> >>>> >> >>>> >> >>>> -- >> >>>> Check out my professional profile and connect with me on LinkedIn. >> >>>> http://lnkd.in/cw5k69 >> >>> >> >>> >> >>> >> >>> >> >>> -- >> >>> Imesh Gunaratne >> >>> >> >>> Technical Lead, WSO2 >> >>> Committer & PPMC Member, Apache Stratos >> > >> > >> > >> > >> > -- >> > Imesh Gunaratne >> > >> > Technical Lead, WSO2 >> > Committer & PPMC Member, Apache Stratos >> >> >> >> -- >> Check out my professional profile and connect with me on LinkedIn. >> http://lnkd.in/cw5k69 > > > > > -- > Best Regards, > Nirmal > > Nirmal Fernando. > PPMC Member & Committer of Apache Stratos, > > Senior Software Engineer, WSO2 Inc. > > Blog: http://nirmalfdo.blogspot.com/
-- Check out my professional profile and connect with me on LinkedIn. http://lnkd.in/cw5k69
