We ended up modifying our CAS monitor to accept both HTML 200 and 400 
status codes to get around this problem. This is a new prod CAS4 to CAS5 
deployment and we have already used up the maxElementsInMemory=15000, so we 
will be going to 20k next. 

Are there any other CAS system parameters that we should be concerned with 
and consider increasing?

Duane

On Friday, January 19, 2018 at 9:54:42 AM UTC-7, Duane Booher wrote:
>
> Help,
>
> we have just increased ehcache from 
> default: cas.ticket.registry.ehcache.maxElementsInMemory=10000
> to: maxElementsInMemory=15000 
>
> due to ehcache ticket premature expirations, see my other post: CAS 5.1.6 
> TGT is destroyed early
>
> When our system goes above 10000, then cas/status throws a warning:
>
> 1.SessionMonitor: WARN - Session count (10022) is above threshold 10000. 
> 668 service tickets.
>
> which results in the HTML status code going from 200 to 400.
>
> Is there another CAS system setting that I am missing to prevent this 
> warning?
>
> Thanks, Duane
>

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