Hi, I recommend you to go and open a ticket at https://osgeo-org.atlassian.net. Since nobody noticed so far, there might be something specific about your setup: please attach to the ticket a small but reproducible test case, e.g., some data, style styles and the layer group configuration.
Regards, Andrea Aime == GeoServer Professional Services from the experts! Visit http://bit.ly/gs-services-us for more information. == Ing. Andrea Aime @geowolf Technical Lead GeoSolutions Group phone: +39 0584 962313 fax: +39 0584 1660272 mob: +39 339 8844549 https://www.geosolutionsgroup.com/ 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 On Thu, Jun 27, 2024 at 10:42 AM Lampinen Pekka via Geoserver-users < geoserver-users@lists.sourceforge.net> wrote: > Version 2.23.3 was actually the first one with slow performance. Version > 2.23.2 was fast. Also tested 2.25.2 – slow. Using java 11 (Eclipse > Adoptium: 11.0.23). Tried to test java 17 but could not get GeoServer to > output any WMS. > > > > Windows 10 , > > Java 11 (Eclipse Adoptium: 11.0.23) > > Installed form the windows installer. > > > > Pekka Lampinen > GIS Developer > > > > *Lähettäjä:* Jody Garnett <jody.garn...@gmail.com> > *Lähetetty:* keskiviikko 26. kesäkuuta 2024 17.28 > *Vastaanottaja:* Lampinen Pekka <pekka.lampi...@vantaa.fi> > *Aihe:* Re: [Geoserver-users] WMS layer group with 3 scale based layers > suddenly slow on the furthest scale > > > > Yes that would need helpful, we should be able to find a change that > causes the problem. > > > > > > But please test 2.25.2 … there was a known bug fixed that effected postgis > performance on Java 17, and then the fix caused problems for one release, … > > > > > -- > > Jody Garnett > > > > > > On Wed, Jun 26, 2024 at 1:53 AM Lampinen Pekka via Geoserver-users < > geoserver-users@lists.sourceforge.net> wrote: > > Hi, > > > > Continuing my previous email. I tested on a local computer with GeoServer > 2.22.3 and it was super fast. Always under one second. Same data but from a > local PostGIS database and same styles. > > Then I tested the 2.23.3 version and it was slow. Now on scale 1:30000 it > takes about 10 seconds. Closer it is fast. Something has changed, I don’t > know what. Seems like it is reading every feature from every layer on the > layer group and previously it only read the ones defined as needed in > style. > > > > Should I try to pinpoint the exact GeoServer version it got slow? Now I > just chose the ones I think we had installed previously. > > > > Pekka Lampinen > GIS Developer > > > > *Lähettäjä:* Lampinen Pekka via Geoserver-users < > geoserver-users@lists.sourceforge.net> > *Lähetetty:* torstai 13. kesäkuuta 2024 15.52 > *Vastaanottaja:* geoserver-users@lists.sourceforge.net > *Aihe:* [Geoserver-users] WMS layer group with 3 scale based layers > suddenly slow on the furthest scale > > > > geoserver-users@lists.sourceforge.net näyttää samanlaiselta kuin henkilö, > joka on aiemmin lähettänyt sinulle sähköpostia, mutta ei ehkä ole sama > henkilö. Lisätietoja siitä, miksi tämä voi olla riski > <https://aka.ms/LearnAboutSenderIdentification> > > Hello, > > > > I have a layer group consisting of three layers. Each corresponding to > different tables in PostGIS and different scale levels as determined in > three different stylefiles. > > Now suddenly the layer group is very slow when viewed from far away. It > used to work a lot faster. Not sure when it changed although we upgraded to > the 2.25.1 version, but I think this was happening before too. Just now > started investigating. > > > > Here is the configuration: > > Layer Group mode single. > > > > Layer 1: 2 000 000 features, shown on scale 4000 and below. > > Layer 2: 200 000 features, shown on scale between 4000 – 8000. > > Layer 3: 20 000 features, shown on scales over 8000 > > > > Styles are quite large with the biggest one being just under 4000 lines in > CSS and 16 000 lines in SLD. Maybe a contributing factor but I also tested > with generic style modified with similar scale ranges. > > > > I tested with scale 1:30 000 and it took some 10 seconds to load in QGIS > although I think it should only use the third layer with only 20 000 > features. Individually the third layer took under one second to load. > > With generic style modified with similar scale ranges. Results were faster > as it took under 3 seconds to load the layer group but individually layer 3 > took only 0.5 to 1 second to load. With very simple style it still uses a > lot time to do something. > > > > Has anyone else noticed similar results? > > > > GeoServer version 2.25.1. > > Pekka Lampinen > GIS Developer > > > > > > > > > > > > > > > > _______________________________________________ > 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 > > > Geoserver-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/geoserver-users > > _______________________________________________ > 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 > > > Geoserver-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/geoserver-users >
_______________________________________________ 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 Geoserver-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/geoserver-users