Resolving w3wp.exe memory usage Problems. I have studied the following configurations today: 1. apply each website separately in IIS. ProgramPool configuration. That is, they do not affect each other. 2. Set the recycle time of the application pool. The default value is 1720 hours, which can be modified as needed. At the same time, set the number of w3wp processes that run simultaneously to 1. When the memory or CPU usage exceeds the upper limit, the memory will be automatically recycled. This will solve the problem. However, some websites cannot be correctly released due to program problems. So how can we find the website? 1. Add the PID field to the task manager. You can see the process pid2 with the highest memory usage or CPU usage, and run iisapp-A at the command prompt. Note: the first running will prompt that no JS support is available. Click OK. Then run it again. In this way, you can see the application pool corresponding to the PID. 3. Check the website corresponding to the application pool in IIS.
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