In RHEV 3.3, ksmtuned service is stopped. So, how is KSM being controlled? - Red Hat Customer Portal

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Issue

Checking ksmtuned service in RHEV 3.3, I noticed it's stopped:

# service ksmtuned status
ksmtuned is stopped

But KSM is still turned on/off when needed. Low loaded hypervisor:

# cat /sys/kernel/mm/ksm/run 
0

High loaded hypervisor:

# cat /sys/kernel/mm/ksm/run 
1

Who is in charge of KSM now?

Environment

Red Hat Enterprise Virtualization 3.3

NOTE: For RHV 4.0, we recommend using management interface as the preferred way for changing KSM configuration: RHV 4.0 Administration Guide, section 5.2.2.2. Optimization Settings Explained

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