Server Configuration:

  • Virtual Dedicated
  • Windows Server 2008, Xeon Processor 1.6GHZ, 4GB RAM
  • MS SQL Server R2 Express
  • IIS 7.0
  • .NET Framework 4.0


  • Very slow response of the website due to HIGH CPU usage.
  • Sometimes Site works fine, but suddenly it goes slow down and static HTML pages also not responding quickly.
  • Whenever we restart the server or SQL SERVER service, site works fine for while, but after sometime site performance decreased and site goes slow down.

We Tried Solution:

  • Optimized all Stored Procedure, Remove all unwanted TEMP tables from Stored Procedures.
  • Removed all unwanted code, comments. Unused links, file references from the source code.
  • There is antivirus on the server, we scanned whole server but no virus found.
  • We stop unwanted services in the server.
  • We remove unnecessary application from the server too.
  • Possible duplicate: stackoverflow.com/questions/9615742/… – pleinolijf Oct 19 '12 at 10:52
  • @pleinolijf thanx for your replay,but i have already tried the same,but i dont get any result for that query,that means the problem is not regarding that issue – user1562231 Oct 19 '12 at 11:38
  • You've not got much memory and that CPU is quite slow too. – Chopper3 Oct 19 '12 at 12:01
  • So High CPU usage - What process is doing it? What's the typical usage you expect in normal operations? You're approaching this as if it were a fault - how have you eliminated the possibility that it's simply a capacity issue? As its a virtual machine, how many cores are allocated to it? How much contention for host resources is there? – Rob Moir Dec 3 '12 at 8:33

Start clearing the process cache.

Analyze page replacement statistics.

Remove disk level compression if any.

  • 2
    Can you expand on this a little ? – user9517 Dec 3 '12 at 8:00

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