Hi Andrea, yes we have a xmx setting of 8G. A gc problem was my first thought too, but the Total time threads are stopped by the gc are normaly 30 ms and the slowest 100 ms. The whole Application Time of the gc is varying between 7000 and 1000 ms. During that operations Vektorlayer are serverd with a constant response time of ~ 90 ms. There are no breaks with 5000 ms. Assuming the problem is a gc Problem, why are only PointSymbolizers with gif or png showing outbreaks in Request durations with 5000 ms and PolygonSymbolizer and Raster not ?
Cheers, Guido ------------------------------------------------------------------- Von: Andrea Aime [mailto:[email protected]] Gesendet: Sonntag, 11. November 2018 09:25 An: Blome, Guido (62-24) Cc: GeoServer Mailing List List Betreff: Re: [Geoserver-users] Response time of WMS-Requests with PointSymbolizer ExternalGraphic Format image/gif or png sometimes extremly slow Hi, weird... it might be a garbage collection related issue... did you give GeoServer a very large heap, e.g., more than 4GB? In that case you might have to tune the garbage collector to reduce GC pauses, they can get pretty long with a large heap. I did a quick test with multiple requests locally, with a style using a PNG external graphic, the slowest one is 30% slower than the fastest one. For reference: <?xml version="1.0" encoding="ISO-8859-1"?> <StyledLayerDescriptor version="1.0.0" xsi:schemaLocation="http://www.opengis.net/sld http://schemas.opengis.net/sld/1.0.0/StyledLayerDescriptor.xsd"; xmlns="http://www.opengis.net/sld"; xmlns:ogc="http://www.opengis.net/ogc"; xmlns:xlink="http://www.w3.org/1999/xlink"; xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";> <NamedLayer> <Name></Name> <UserStyle> <Title>circle</Title> <FeatureTypeStyle> <Rule> <Title>circle</Title> <PointSymbolizer> <Graphic> <ExternalGraphic> <OnlineResource xlink:type="simple" xlink:href="http://maps.google.com/mapfiles/kml/shapes/placemark_circle.png"; /> <Format>image/png</Format> </ExternalGraphic> <Size>32</Size> </Graphic> </PointSymbolizer> </Rule> </FeatureTypeStyle> </UserStyle> </NamedLayer> </StyledLayerDescriptor> Cheers Andrea On Fri, Nov 9, 2018 at 3:59 PM Blome, Guido (62-24) <[email protected]<mailto:[email protected]>> wrote: Hi List, we have published several WMS layers with Point Data out of a PostgreSQL/postgis Datastore using SLD with <PointSymbolizer> <Graphic> <ExternalGraphic> <Format>image/gif</Format> or <Format>image/png</Format>. In most of the requests they are working very fast with response times between 12- 50 ms but every tenth thirtieth Request, in a Scenario with one request per second, there is a response time of ~ 5000 ms with the same or similar request. This behavior doesn`t appear when using vector based formats like <Format>image/svg+xml</Format> or <Graphic> <Mark> <WellKnownName> We are using those WMS symbol layers as overlays on top of WMTS/TMS, delivered by GeowebCache, that are very fast and so those 5000 ms request are very disruptive in our application behavior. I have tested the behavior with Oracle Corporation: 1.8.0_171 (OpenJDK 64-Bit Server VM) and Geoserver 2.12.2 and 2.14.0. Does someone know how we can turn of those 5000ms responses ? Where does this behavior come from ? Best regards, Guido Guido Blome Bundesstadt Bonn Amt für Bodenmanagement und Geoinformation Sachgebietsleiter Geodateninfrastruktur Stadthaus, Berliner Platz 2, 53111 Bonn Telefon +49(0)2 28.77 3009 Telefax +49(0)2 28.77 2618 E-Mail [email protected]<mailto:[email protected]> Internet www.bonn.de<http://www.bonn.de> Bleiben Sie mit unseren städtischen Newslettern auf dem Laufenden. Alle Informationen zum Abo finden Sie auf www.bonn.de/@newsletter<http://www.bonn.de/@newsletter><http://www.bonn.de/@newsletter> Recyclingpapierfreundlichste Stadt Deutschlands 2010 bis 2018. Bitte prüfen Sie, ob diese Mail wirklich ausgedruckt werden muss. _______________________________________________ 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]<mailto:[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. 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_______________________________________________ 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
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