Some Changes In WordPress Crashes the site for 5 min, Physical Memory Usage 100%

whithout any work my hosting Physical Memory Usage is at 45% , when ever i try to update somthing or delete some images my site crash.

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Hello,

Thank you very much for choosing our theme and for contacting us.

Please delete the demo images, pages, posts, and products that you do not use.

Best Regards

[Author]

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