High memory usage - XG 135 SFOS 19.5.3

Question

Hi guys, 
 I'm having a problem with my firewall's memory. According to the screenshots below, the memory increases gradually over the days, until it reaches a point where the firewall freezes, making it necessary to physically restart. 
 Would anyone have any idea where to start investigating to identify the problem?

XG 135 - 19.5.3

Michael Dunn · Answer

Can you let me know if you are doing Web Filter in DPI Mode, are not doing HTTPS Decryption, and your web policy includes Warn.

If so, can you switch the policy away from Warn and see if it resolves the growing memory? If so, this will be resolved in 20.0 MR1.

Erick Jan · Answer

Hi Alves I, 
 Thank you for reaching out to Sophos Community. 
 Kindly check the following KB for reference and similar post 
 
 Sophos Firewall: Check the CPU usage using the command top 
 Sophos Firewall: IPS configuration to prevent high CPU usage 
 Sophos XG 125 Huge memory Usage 
 
 You may also run the following in the Advance shell by going to CLI 
 Check the disk usage: df -ha 
 Check physical and virtual (swap) memory usage: free -m 
 Also, would you be able to share your case ID so that we can monitor it further? If there&rsquo;s none, I would recommend creating one

High memory usage - XG 135 SFOS 19.5.3

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