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Clear Memory without rebooting in Sophos XG

Indunil Jayasooriya

Hi Community,

Is there a way to clear memory (RAM) without rebooting in Sophos XG firewall? its firmware is SFOS 18.0.5 MR-5-Build586.

Memory went up to 90% last week. We rebooted the Sophos XG firewall. Then, Memory came back to around 30%. Now it has been running since 5 days. Now Memory has gone up to 75%.

Is there a way to clear memory (RAM) without rebooting in CLI mode? otherwise we will have to reboot again.

Thanks



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  • 0

    Hi,
    You should check where the memory went.
    Which device do you use? How much memory the device have?

  • 0 in reply to dirkkotte

    Hi, 

    Thanks for your quick reply. 

    XG 430
    Total memory 16 GB

    Output of atop

    PID TID CID VPID CTID TRUN TSLPI TSLPU POLI NICE PRI RTPR CPUNR ST EXC S CPU CMD
    6191 -    host-------- 0 0 0 1 0 norm 0 120 0 0 -- - S 3% sslvpn
    3300 -    host-------- 0 0 0 7 0 norm 0 120 0 3 -- - S 2% garner
    14028 -  host-------- 0 0 0 7 0 norm 0 120 0 1 -- - S 2% snort
    14030 - host-------- 0 0 0 7 0 norm 0 120 0 3 -- - S 2% snort
    4837 -   host-------- 0 0 0 10 0 norm 0 120 0 0 -- - S 2% awarrenhttp
    14029 - host-------- 0 0 1 6 0 norm 0 120 0 2 -- - S 1% snort
    14027 - host-------- 0 0 0 7 0 norm 0 120 0 0 -- - S 1% snort
    6117 - host-------- 0 0 0 3 0 norm 0 120 0 3 -- - S 1% fqdnd
    3371 - host-------- 0 0 0 1 0 norm 0 120 0 0 -- - S 1% vfp_mflow_time
    11086 - host-------- 0 0 1 0 0 norm 0 120 0 2 -- - R 1% kworker/2:0
    6333 - host-------- 0 0 0 33 0 norm 0 120 0 2 -- - S 1% charon
    4752 - host-------- 0 0 0 1 0 norm 0 120 0 3 -- - S 1% nsxld
    12587 - host-------- 0 0 0 1 0 norm 0 120 0 2 -- - S 1% postgres
    12672 - host-------- 0 0 1 0 0 norm -20 100 0 2 -- - R 0% atop

    Output of free command

               total           used        free       shared buffers
    Mem: 16315952 15868892 447060 193616 160276
    -/+ buffers: 15708616 607336
    Swap: 2267112    45312     2221800

    Hope to hear from you,

  • 0 in reply to Indunil Jayasooriya

    Sorry, don't understand the output ...

    Please try

    top -> <shift>f -> n -> <ENTER>

    additional useful information:

    How many users? Bandwidth? Activated features? RED/SSL? 

  • 0 in reply to Indunil Jayasooriya

    Hi,

    ram usage is only an issue if if is affecting performance and the system is swapping very heavily, otherwise as others have advised it is not an issue.

    Ian

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