After I updated Magento, it starts to use more CPU than usual as you can see below. After 05-07, CPU system time increases, just at the day I updated Magento to

After 05-07 cpu system time increase, the day i deploy Magento update

In this second image you can see CPU usage closer. After clearing cache, CPU system usage drops (between 21:00 and 22:00):

cpu system drop after cache clear

Is there any explanation for this high CPU system usage after Magento update?

I guess cache is more used in this new Magento version, so that it uses more system to read the cache.

Is this ok? Should I care?

1 Answer 1


iowait time is what you want to watch out for. Other than that its hard to give you good advice other than at first glance it looks fine.

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service and acknowledge you have read our privacy policy.

Not the answer you're looking for? Browse other questions tagged or ask your own question.