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Dec
14
2021
Trick to Simulate a Linux Server with less RAM
Posted by Jean-François Gagné on Tue 14 Dec 2021 00:49 UTC
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I created the first draft of this post many years ago.  At that time, I was working with physical servers having 192 GB of RAM or more.  On such systems, doing memory pressure tests with MySQL is complicated.  I used a trick to simulate a Linux server with less RAM (also works with vms, probably not with Kubernetes or containers).  I recently needed the trick again and as I

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