[Building Sakai] 2.9.1 Performance Issues

Sam Ottenhoff ottenhoff at longsight.com
Tue Jul 23 13:56:22 PDT 2013


I haven't observed any issues that would explain gigantic memory usage CPU
spiked at 100%.  I would try to get a heap dump into Eclipse MAT as soon as
possible.

--Sam


On Tue, Jul 23, 2013 at 4:53 PM, Curtis Van-Osch <curtis.van-osch at hec.ca>wrote:

>  Hello,
> We at HEC Montréal recently upgraded to Sakai 2.9.1 (last monday).
> Everything went well, but we have been experiencing performance issues ever
> since.  Memory usage hovers between 6.5 and 8 gigabytes, and CPU usage
> often spikes to 100%
>
> our JAVA_OPTS="-d64 -server -Xmx10g -Djava.awt.headless=true -Xms512m
> -XX:MaxPermSize=768m -XX:PermSize=256m -Duser.language=fr -Duser.region=CA"
>
> We're planning on inspecting a heap dump tomorrow morning, and we're
> looking at applying this Gradebook patch<https://jira.sakaiproject.org/browse/SAK-23385>(SAK-23385).
>
> Does anyone have any other ideas for diagnosing performance issues?
> --
>    <http://www.hec.ca>
>  Curtis Van Osch
> Analyste-Programmeur
> Direction des technologies de l'information
>   [image: hec.ca] <http://www.hec.ca>   [image: Agréments]
> 3000, chemin de la Côte-Sainte-Catherine, Montréal (Québec) H3T 2A7
> Téléphone : 514 340-6000, poste 2029
>
>    [image: recyclez]
> Pensons à l'environnement
> avant d'imprimer
>
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