On Mon, Feb 24, 2014 at 2:25 PM, Wilhelm, Dirk <[email protected]>wrote:
> Hello,
>
>
>
> currently i'm connection to oracle using the plain store configuration
> inside geoserver. I will try jndi next.
>
Ah no, that won't help. This issue just got fixed, if you use a released
version using JNDI will just make things worse:
http://jira.codehaus.org/browse/GEOS-5276
>
>
> Here is the jmap output after i received a java heap exception:
>
>
>
>
>
> >jmap -heap 4872
>
> Attaching to process ID 4872, please wait...
>
> Debugger attached successfully.
>
> Server compiler detected.
>
> JVM version is 24.45-b08
>
>
>
> using thread-local object allocation.
>
> Parallel GC with 8 thread(s)
>
>
>
> Heap Configuration:
>
> MinHeapFreeRatio = 40
>
> MaxHeapFreeRatio = 70
>
> MaxHeapSize = 10485760000 (10000.0MB)
>
> NewSize = 1310720 (1.25MB)
>
> MaxNewSize = 17592186044415 MB
>
> OldSize = 5439488 (5.1875MB)
>
> NewRatio = 2
>
> SurvivorRatio = 8
>
> PermSize = 21757952 (20.75MB)
>
> MaxPermSize = 1073741824 (1024.0MB)
>
> G1HeapRegionSize = 0 (0.0MB)
>
>
>
> Heap Usage:
>
> PS Young Generation
>
> Eden Space:
>
> capacity = 1165492224 (1111.5MB)
>
> used = 1162228528 (1108.3874969482422MB)
>
> free = 3263696 (3.1125030517578125MB)
>
> 99.71997273488459% used
>
> From Space:
>
> capacity = 1164967936 (1111.0MB)
>
> used = 0 (0.0MB)
>
> free = 1164967936 (1111.0MB)
>
> 0.0% used
>
> To Space:
>
> capacity = 1164967936 (1111.0MB)
>
> used = 0 (0.0MB)
>
> free = 1164967936 (1111.0MB)
>
> 0.0% used
>
> PS Old Generation
>
> capacity = 6990331904 (6666.5MB)
>
> used = 6983625848 (6660.104606628418MB)
>
> free = 6706056 (6.395393371582031MB)
>
> 99.9040667010938% used
>
> PS Perm Generation
>
> capacity = 134217728 (128.0MB)
>
> used = 134217496 (127.9997787475586MB)
>
> free = 232 (2.2125244140625E-4MB)
>
> 99.99982714653015% used
>
>
>
> 35196 interned Strings occupying 3705584 bytes.
>
>
>
>
>
>
>
> >jmap -histo:live 4872 | more
>
>
>
> num #instances #bytes class name
>
> ----------------------------------------------
>
> 1: 383807 7927174496 [C
>
Hmm... it seems this is the problem, lots of char arrays, and large ones
too (20kb each
on average)... but I have no idea why you'd get these.
Do you have TEXT/CLOB attributes in your features?
Yet, I don't see retained SimpleFeature objects in your jmap output...
If you have time, also try starting the Java virtual machine running
GeoServer with
this option:
-Dorg.geoserver.wms.featureinfo.render.enabled=false
Cheers
Andrea
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