July 21, 2010 at 3:29 am
Architecture
- Domain
-- Server 1
{SQL Server - IIS portal (web) Application}
-- Server 2
{SQL Server with views- MS Dynamics NAV}
-- Server 3
{Web services & Navision application services}
Working with the portal:
De portal application (server 1) reeds views from the DB (server 2) and does injections with the web service (server 3) on the business logic on MS Dynamics NAV (server 2).
The same amount of concurrent users from the front office who used MS dynamics NAV (server 2) now uses the portal.
While the back office uses MS dynamics NAV.
Dynamics NAV usage without a portal:
Normal use of Dynamics nav (server 2) you see CPU capacity not more then 40% with an average of 15%
SQL on the other hand uses 70 % of memory. Of course you can fine tune this.
And we still use web services and Navision application services in this architecture to connect to other applications (SOAP)
Problem
On the portal server (server 1) we see high cpu use with often 90 or 95 to 100%.
And almost no memory use (3 gig).
On the hardware site we took more CPU's (Virtual server), but I do not exactly understand why so much cpu use and so less memory use.
Is there something wrong in the Architecture?
Thanks for your reply.
Kind regards,
André Borgeld
July 21, 2010 at 1:37 pm
During the day the performance gets worse. And with a Ctrl-R or F5 (refresh) it looks like perfomance increases.
Thats why we have limited the cache settings in IE8 and we work with Citrix clients.
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