I will try with a profiling session later today. @Justin: any advice on what kind of care should be taken to minimize the proliferation of XSDSchemaImpl and GridCoverageReader instances?
Cheers, Gabriel On Fri, Jan 27, 2012 at 1:10 PM, Bertrand, Matthew <[email protected]> wrote: > Hello everyone, I've been monitoring memory usage of my geoserver instance > (2.1 snapshot, compiled about a month ago) running under tomcat. After 12-48 > hours or so the PS Old Gen memory pool fills up completely . At this point > GC tends to consume much more CPU resources when it runs and barely makes a > dent in the PS Old Gen pool. Is this normal, or could there be a memory > leak? > > I ran a memory analysis tool indicating most of it is made up of instances > of"org.eclipse.xsd.impl.XSDSchemaImpl" and > "org.geotools.gce.geotiff.GeoTiffReader" with the GWC Seeder thread as the > common originator of both. > > I currently have the GWC disk quota usage monitor turned off > (GWC_DISKQUOTA_DISABLED = true). When turned on, the PS Old Gen Pool fills > up more quickly. > > I have JAVA_OPTS set to: "-server -Xmx3072m -Xms2048m > -XX:CompileCommand=exclude,net/sf/saxon/event/ReceivingContentHandler.startElement > -XX:SoftRefLRUPolicyMSPerMB=3600 -XX:+UseParallelOldGC -XX:NewRatio=2 > -XX:PermSize=256m -XX:MaxPermSize=512m -XX:+UseCompressedOops" > > > ------------------------------------------------------------------------------ > Try before you buy = See our experts in action! > The most comprehensive online learning library for Microsoft developers > is just $99.99! Visual Studio, SharePoint, SQL - plus HTML5, CSS3, MVC3, > Metro Style Apps, more. Free future releases when you subscribe now! > http://p.sf.net/sfu/learndevnow-dev2 > _______________________________________________ > Geoserver-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/geoserver-users > -- Gabriel Roldan OpenGeo - http://opengeo.org Expert service straight from the developers. ------------------------------------------------------------------------------ Try before you buy = See our experts in action! The most comprehensive online learning library for Microsoft developers is just $99.99! Visual Studio, SharePoint, SQL - plus HTML5, CSS3, MVC3, Metro Style Apps, more. Free future releases when you subscribe now! http://p.sf.net/sfu/learndevnow-dev2 _______________________________________________ Geoserver-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/geoserver-users
