KSM sharing

Eric_D

New Member
Apr 19, 2019
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Hi,

I have a few VM and CT on my server, mostly under Ubuntu 18.04, and my KSM sharing always show "0B".

Do you know why ?
 
Hi,

I have a few VM and CT on my server, mostly under Ubuntu 18.04, and my KSM sharing always show "0B".

Do you know why ?
Normaly this feature need 3 to 5 days, depending on shared data. But it works here on us sever. The service is running?
 
Yes, service is running :
Code:
root@pve:~# systemctl status ksmtuned.service
● ksmtuned.service - Kernel Samepage Merging (KSM) Tuning Daemon
   Loaded: loaded (/lib/systemd/system/ksmtuned.service; enabled; vendor preset: enabled)
   Active: active (running) since Mon 2019-04-15 21:47:00 CEST; 4 days ago
  Process: 987 ExecStart=/usr/sbin/ksmtuned (code=exited, status=0/SUCCESS)
 Main PID: 1033 (ksmtuned)
    Tasks: 2 (limit: 4915)
   Memory: 11.1M
      CPU: 1min 59.171s
   CGroup: /system.slice/ksmtuned.service
           ├─1033 /bin/bash /usr/sbin/ksmtuned
           └─6115 sleep 60

Apr 15 21:47:00 pve systemd[1]: Starting Kernel Samepage Merging (KSM) Tuning Daemon...
Apr 15 21:47:00 pve systemd[1]: Started Kernel Samepage Merging (KSM) Tuning Daemon.

Server and VM / CT are up for 4 days
 
AFAIK it'll only be triggered if the ram is sufficient full and also independent of the time.

I updated our cluster the last week and the KSM directly kicks in on a freshly updated node while moving a lot of machines to that node.
 
Works here, and Memory is not full.
 

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