If you have a server dedicated to the Distributed Cache of SharePoint, its memory can increase until 100% because of the DistributedCache process.
If you look at the Task Manager you can see if that happens:
![](https://lodesharepoint.com/wp-content/uploads/2013/08/001.png)
In order to solve this, you’ve to restart the service through the SharePoint Central Administration following this steps:
1. You’ve to go to the SharePoint Central Administration.
![](https://lodesharepoint.com/wp-content/uploads/2013/08/002.png)
2. Go to “Manage Services on Server” under the System Settings section.
![](https://lodesharepoint.com/wp-content/uploads/2013/08/003.png)
3. Change the Server if needed.
![](https://lodesharepoint.com/wp-content/uploads/2013/08/004.png)
![](https://lodesharepoint.com/wp-content/uploads/2013/08/005.png)
4. Stop and start the DistributedCache Service.
![](https://lodesharepoint.com/wp-content/uploads/2013/08/006.png)
![](https://lodesharepoint.com/wp-content/uploads/2013/08/007.png)
5. Now you can see again the Task Manager
![](https://lodesharepoint.com/wp-content/uploads/2013/08/008.png)
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