OK,
there is a significant memory leak in the version of Thymeleaf layout dialect 
used by versions of CAS prior to 5.0.7. Since 5.0.7 it's been updated to the 
layout dialect version containing the memory leak fix. 
This is most likely what you are experiencing. 
Cheers,D. 
                
                

                
        




On Sat, Aug 19, 2017 at 4:53 AM -0400, "David Malia" <[email protected]> wrote:










It probably is a good idea to move Hazelcast to its own jvm at a minimum.  It 
looks like the default behavior is to fill the cache until its at 85% of heap 
space.
  I got this by looking 
athttps://apereo.github.io/cas/5.0.x/installation/Configuration-Properties.html#hazelcast-ticket-registry,so
 I could be wrong.


On Fri, Aug 18, 2017 at 10:51 AM, Oschwald Robert <[email protected]> 
wrote:
You can get the amount of objects in Hazelcast using Hazelcast Management 
Center or VM tools like visualvm.

I’m not sure if Hazelcast Management Center is available for Open Source 
License usage, or in Hazelcast Enterprise, only.



I strongly recommend to NOT use the Hazelcast  embedded mode, as it is not 
optimal for production.

Better to setup a hazelcast Cluster, so run a Hazelcast “Client Plus Member” 
Topology.



See https://hazelcast.com/resources/hazelcast-deployment-operations-guide/



Robert



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