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W3wp.exe is consuming memory.

Posted on 2014-12-03
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Last Modified: 2014-12-07
We have 1 IIS 2008 windows server with 16 GB RAM and 4 vCPU.

W3Wp.exe is consuming lots of memory and it increases with more users connected to the website.

Has anyone faced this issue and possible solution.

~Thanks
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Question by:aspathak
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by:nader alkahtani
ID: 40478171
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by:aspathak
ID: 40478190
Hi Nader,

This is IIS7.5 with windows 2008 R2 server 64 Bit on Vmware with Algorithmic Application. There is no issue as far as virus is concerned as the servers are fully sanitized and virus free and hardened with latest patches.
Please suggest some other solution. I have tried memory caching in IIS manager but of no use.

Thanks
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RK earned 500 total points
ID: 40478224
Hi,

W3Wp.exe is a general exe which used by various Application pool in IIS. You need to identify which App pool consuming more memory. I have seen SQL server or WSUSpool consume more memory. You can do the following to check and confirm.

From the command prompt %windir%\system32\inetsrv\appcmd.exe list wp

It will list the PID and the Application Pool names. Check if any PID matches with the ones noted from the Task Manager. This is to confirm that the w3wp.exe belongs to the WsusPool Application Pool.

If you found any matching Application pool (Ie - WSUSPool) the follow the below steps;

Open IIS manager (start>>run>>inetmgr)>>Locate the AppPool which is consuming more memory. Right-click WsusPool (example) and choose Recycling. The Edit Application Pool Recyling Settings window will open.
Set 'Private memory usage' to 102400 click Next and Close IIS.

Perform an IISRESET and exit. Check the issue and see the memory usage now.

There is another way to do this via SQL management studio.

Good luck
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by:aspathak
ID: 40486185
Thanks Radha. This has partially resolved the issue but still the Memory consumption is high.


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