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[Egrants #SSO-235746]: AWIPS-II EDEX Requirements

> We are finalizing our system specifications for the equipment grant, but have 
> three remaining questions:
> 
> (1) - The specifications laid out are for 32GB of RAM on the EDEX server. 
> Would additional clients increase the RAM requirements? Or are there major 
> benefits from increasing the RAM?

The more RAM the better, but we've found that 32 GB is sufficient for a 
standalone data server.  The more clients connected and request data, the 
slower the response from the Request JVM, but not to a degree to make the 
system unusable for a classroom (from what I've seen).

> (2) - Additionally, roughly how many clients can an EDEX server handle? (At 
> your specifications) The EDEX data request system seems more efficient than 
> the old X11 system, so does this help reduce RAM requirements on the server 
> and increase client capacity?

How many clients one server can handle is still undetermined, but from 
experience I've had roughly a dozen clients connected to a standalone server 
inside a campus network and the performance has been good.


> (3) - Is there any need for clients to be running AWIPS-II constantly, or can 
> it be activated on demand?

No need for CAVE to run continuously, it can be easily stopped and restarted.

Michael James
Unidata Program Center
Boulder, CO

Ticket Details
===================
Ticket ID: SSO-235746
Department: Support Egrants
Priority: Normal
Status: Open