It could be the metastore hungry of RAM. But I can't tell for sure.
Try disabling the metastore adding the following to your web.xml:
<context-param>
  <param-name>GWC_METASTORE_DISABLED</param-name>
  <param-value>true</param-value>
</context-param>

And how much heap memory are you running geoserver with? (like in for the -Xmx 
JVM parameter).
If running with defaults it's easy to get short of memory. If that's the case 
try -Xmx512m at least. And check if it's the metastore disabling it as 
explained above.

Gabriel


On Fri, 2011-02-04 at 18:38 +0100, Wolfgang Wasserburger wrote:
> Hello all there out,
> 
>  
> 
> we seeded some millions of tiles with gwc and set the expiration to
> -2. Now GWC seems to serve them well, but the CPU is running with 100%
> all the time. Does somebody know, what tomcat does with all this
> power? Is this the garbage collector? Can this be limited in some way?
> Can one help it to do its job in a better way? Should special settings
> being added?
> 
> Hope for any help
> 
>  
> 
> Greetings from Vienna
> 
>  
> 
> Wolfgang
> 
>  
> 
>  
> 
> 
> ------------------------------------------------------------------------------
> The modern datacenter depends on network connectivity to access resources
> and provide services. The best practices for maximizing a physical server's
> connectivity to a physical network are well understood - see how these
> rules translate into the virtual world? 
> http://p.sf.net/sfu/oracle-sfdevnlfb
> _______________________________________________ Geoserver-users mailing list 
> [email protected] 
> https://lists.sourceforge.net/lists/listinfo/geoserver-users

-- 
Gabriel Roldan
[email protected]
Expert service straight from the developers


------------------------------------------------------------------------------
The modern datacenter depends on network connectivity to access resources
and provide services. The best practices for maximizing a physical server's
connectivity to a physical network are well understood - see how these
rules translate into the virtual world? 
http://p.sf.net/sfu/oracle-sfdevnlfb
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