Hi Ian, do you have overviews in your DEM? Wondering if Tamas does too Cheers Andrea
On Wed, Oct 23, 2019 at 6:21 PM Ian Turton <[email protected]> wrote: > I usually demo this to classes using the GB 50m terrain model and have no > issues running it on a small laptop running Linux - what size of area are > you using? what resolution is your DEM? > > Ian > > On Wed, 23 Oct 2019 at 16:34, Tamas Szekeres <[email protected]> wrote: > >> Hi, >> >> We have experienced performance problems when configuring an SLD to >> provide contours for a DEM that is displayed as an OpenLayers layer. >> GeoServer (2.15.2) is running on Windows Server 2008 R2 with Intel® Xeon® >> Processor E5-2667 v2 (16 CPU cores) with 32GB of RAM. GeoServer is running >> on a separate Tomcat (9.0.22) instance, the max memory pool size is set to >> 16GB. >> >> What we are experiencing is that having Openlayers draw contours >> dynamically really eats up the memory as we pan around drawing contours >> we are observing the memory usage increase and the CPU usage is spiking on >> all cores. Eventually the drawing of contours hangs and then we begin to >> get broken tiles grid. The used physical memory is at 90% even with this >> single user test. The final outcome is that the tomcat process is hanging >> completely and we can't stop the service in a regular way, just by killing >> the process. >> >> Any suggestions to work around this would be highly appreciated. >> >> Thanks, >> >> Tamas >> >> _______________________________________________ >> Geoserver-users mailing list >> >> Please make sure you read the following two resources before posting to >> this list: >> - Earning your support instead of buying it, but Ian Turton: >> http://www.ianturton.com/talks/foss4g.html#/ >> - The GeoServer user list posting guidelines: >> http://geoserver.org/comm/userlist-guidelines.html >> >> If you want to request a feature or an improvement, also see this: >> https://github.com/geoserver/geoserver/wiki/Successfully-requesting-and-integrating-new-features-and-improvements-in-GeoServer >> >> >> [email protected] >> https://lists.sourceforge.net/lists/listinfo/geoserver-users >> > > > -- > Ian Turton > _______________________________________________ > Geoserver-users mailing list > > Please make sure you read the following two resources before posting to > this list: > - Earning your support instead of buying it, but Ian Turton: > http://www.ianturton.com/talks/foss4g.html#/ > - The GeoServer user list posting guidelines: > http://geoserver.org/comm/userlist-guidelines.html > > If you want to request a feature or an improvement, also see this: > https://github.com/geoserver/geoserver/wiki/Successfully-requesting-and-integrating-new-features-and-improvements-in-GeoServer > > > [email protected] > https://lists.sourceforge.net/lists/listinfo/geoserver-users > -- Regards, Andrea Aime == GeoServer Professional Services from the experts! Visit http://goo.gl/it488V for more information. == Ing. Andrea Aime @geowolf Technical Lead GeoSolutions S.A.S. Via di Montramito 3/A 55054 Massarosa (LU) phone: +39 0584 962313 fax: +39 0584 1660272 mob: +39 339 8844549 http://www.geo-solutions.it http://twitter.com/geosolutions_it ------------------------------------------------------- *Con riferimento alla normativa sul trattamento dei dati personali (Reg. UE 2016/679 - Regolamento generale sulla protezione dei dati “GDPR”), si precisa che ogni circostanza inerente alla presente email (il suo contenuto, gli eventuali allegati, etc.) è un dato la cui conoscenza è riservata al/i solo/i destinatario/i indicati dallo scrivente. Se il messaggio Le è giunto per errore, è tenuta/o a cancellarlo, ogni altra operazione è illecita. Le sarei comunque grato se potesse darmene notizia. This email is intended only for the person or entity to which it is addressed and may contain information that is privileged, confidential or otherwise protected from disclosure. We remind that - as provided by European Regulation 2016/679 “GDPR” - copying, dissemination or use of this e-mail or the information herein by anyone other than the intended recipient is prohibited. If you have received this email by mistake, please notify us immediately by telephone or e-mail.*
_______________________________________________ Geoserver-users mailing list Please make sure you read the following two resources before posting to this list: - Earning your support instead of buying it, but Ian Turton: http://www.ianturton.com/talks/foss4g.html#/ - The GeoServer user list posting guidelines: http://geoserver.org/comm/userlist-guidelines.html If you want to request a feature or an improvement, also see this: https://github.com/geoserver/geoserver/wiki/Successfully-requesting-and-integrating-new-features-and-improvements-in-GeoServer [email protected] https://lists.sourceforge.net/lists/listinfo/geoserver-users
