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I have a server with Aspnet applications running IIS 7.
It always worked normally. But since yesterday the CPU is always using 100% in times with more access, causing unavailability in various sites and loss of performance.
I have tried to limit the size of the pool in memory and limit the pool processing, I have restarted the server and IIS several times, but always comes back the problem.
Does anyone have any idea what I can do?
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Could be a problem in some application, if an application makes incorrect use of memory or other system resources, in general the effects appear on IIS.
To check if it is a problem in any application you can use tools that will help you diagnose what the Work Process/working process of which specific application is consuming the server CPU and check if it is some point problem (problem on an X page, in a loop, etc).
To check consumption per application:
1. Open the OSI
2. Select the server/root
3. Click on Worker Processes
Identify the application with the highest CPU consumption for analysis
That link has few steps to help diagnose and solve these problems.
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It is clear that your server is not scaling well enough for the demand it should meet. The recommendation is to get more resources, i.e.: think about using more machines, or improve the hardware of the current machine.
– Oralista de Sistemas
This I realized, but I am looking for a solution that can be applied at the moment, there is no way I can allocate more resources on this server. Someone else has a suggestion?
– Augusto
Allocate more resources == buy a more powerful processor.
– Oralista de Sistemas