IIS Best Practices
- Do not leave recycling configuration as default:
- Idle Time-out (minutes):
- Either set this to 0 (zero)
- Or set "Idle time-out action" to "Suspend"
- Regular time interval (minutes): 0 (set to zero)
- Specific Times: Set to the least used time of the day:
- Idle Time-out (minutes):
Recycling Settings for an Application Pool <recycling>
https://docs.microsoft.com/en-us/iis/configuration/system.applicationHost/applicationPools/add/recyc...
If you are confident that your application does not have any resource leak issues and if your application pool is recycled during deployments every now and then, you might consider totally disabling recycling.