On Mon, Feb 28, 2011 at 11:18 PM, Sjoerd Brandsma <[email protected]>wrote:
> Hi, > > Unfortunatly I cannot move to a linux platform because this machine is > also used for Microsoft .net WCF webservices. > Erdas Appollo 2011 runs on the same machine so that should be an equal > comparison. Both go through IIS and AJP13 > ECW data is on a raid 5 configuration with 'default' 5400 rpm 2.5" > disks (6x 500GB disk in a 1U server) > > Advantage of Apollo 2011 (with JBoss) is that it seems to use 64bit > native ECW dll's. > I couldn't manage to get Geoserver working with 64bit jdk, GDAL, > 64bit jai and ECW support so that's all 32bit. > Yes, if you want to go 64 bits the only supported platform is Linux (theoretically Solaris too, but I'm not sure there is imageio-ext support for that platform). > In this case it should not really matter I guess.. > Apollo seems to perform better then Geoserver when more concurrent > users are defined than there are tomcat/geoserver instances. > > Some test with JMeter (6 concurrent users, 300 samples taken) results so > far: > Geoserver: Random JPG WMS requests of 800x800 pixels (with 6 geoserver > instances) take on average 1400msec > Apollo 2011: Random JPG WMS requests of 800x800 pixels take on average > 1100msec > > I followed most of the rules described here: > http://docs.geoserver.org/latest/en/user/production/index.html > Are there any suggested settings for JAI, WCS, WMS (Max rendering > memory, etc) and Coverage Access Settings? > In the coverage definition itself, try disabling the use of imageio readers and use smaller tiling hints, something like 32,32, both should help We also have a number of ideas on how to improve raster scalability further, none of them quick to implement though, so we're waiting for someone to sponsor their implementation. Cheers Andrea -- ------------------------------------------------------- Ing. Andrea Aime GeoSolutions S.A.S. Tech lead Via Poggio alle Viti 1187 55054 Massarosa (LU) Italy phone: +39 0584 962313 fax: +39 0584 962313 mob: +39 333 8128928 http://www.geo-solutions.it http://geo-solutions.blogspot.com/ http://www.youtube.com/user/GeoSolutionsIT http://www.linkedin.com/in/andreaaime http://twitter.com/geowolf -------------------------------------------------------
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