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I got a SharePoint environment consist of Web Servers, Index Server and Database Server. The SharePoint application has been down for unknown reason, after I check on the event viewer and the result as below:

Event ID : 1013 Computer : Web Server Description : A process serving application pool 'AppPoolName' exceeded time limits during shut down. The process id was '4820'.

Event ID : 8645 Computer : Database Server Description: A time out occurred while waiting for memory resources to execute the query. Rerun the query

Additional 2 informations found in Web Server:

Event ID : 1117 Description : A worker process with process id of '4820' serving application pool 'AppPoolName' has requested a recycle because it reached its private bytes memory limit.

Event ID : 1077 Description : A worker process with process id of '7352' serving application pool 'AppPoolName' has requested a recycle because it reached its virtual memory limit.

I need help to understand more about the error and how can this happen, example how can the application pool being shut down. Please advice.

Thank you in advanced.

Addition: I would like to know what is the tool normally use to keep track of memory leak by SharePoint.

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anyone? please help – sams5817 Nov 10 '11 at 2:02

What does your memory usage look like on the server?

You can monitor the server for memory leaks by using:

  • Task Manager
  • Performance Monitor
  • IIS Debug Diagnostics Tool

You can read more about it here:

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it look OK and only consume about 10% of total memory – sams5817 Nov 9 '11 at 6:43
Have you had an increased load on the server? On the webserver, go to IIS and for the application pool in question - right click on it and select Properties. Then increase the value for "Shutdown worker processes after being idle for (time in minutes)" – Rowell Nov 9 '11 at 7:00
I tried this in my VPC to increase the idle timeout from 20 minutes to 50 minutes, it not make any much different also. – sams5817 Nov 10 '11 at 2:02
On your App Pool, how much "Maximum virtual memory" and "Maximum used memory" do you have configured? – Rowell Nov 10 '11 at 16:09
Hi, Maximum Virtual Memory = 2000MB and Maximum Used Memory = 1900MB at Web Server for SharePoint 2007. But both Web Server the memory configuration not the same amount – sams5817 Nov 14 '11 at 2:00

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