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we hava a large number of production servers running CentOS 7 with tuned service。 Is it really necessary keeping tuned running？ Or we could initialize the system configuration file such as sysctl.conf by vm image or kickstart file

Bourne Fang
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I suggest running the tuned service and setting an appropriate profile for your workload. The settings are applied on demand, so you should have the service running if a proper profile is loaded.

Why is this a concern for you?

See: Understanding RedHat's recommended tuned profiles

ewwhite
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  • In most cases, there is only one important service running on the server after it is generated . example: virtual-host won't become virtual-guest.So why I need keeping tuned running to tune system profiles – Bourne Fang May 08 '18 at 07:45
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    When you turn the service off, the settings revert to the default un-tuned profile. – ewwhite May 08 '18 at 14:26