Tuned dynamic configuration.

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With RHEL 7, it is pretty well known that performance configuration is made easy through the tuned tool. Specifying a profile in a list or creating one from some existing can be done quickly. A tutorial already explains how to Apply a tuning profile to a server.

However, what is less known is you can ask the tuned tool to operate in a dynamic way.
By assigning 1 to the dynamic_tuning parameter in the /etc/tuned/tuned-main.conf file, every 10 seconds by default the server configuration is updated.
After restarting the tuned service (# systemctl restart tuned), you can then check the dynamic adjustments in progress in the /var/log/tuned/tuned.log file.

This could be handy when you are searching for the best configuration.

Posted in RHEL7

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