How to Measure Actual Memory Usage of an Application or Process in Linux

Measuring memory usage is an essential task for system administrators and developers alike, especially when working on performance optimizations or debugging issues. However, there are many tools available, each with its pros and cons. In this blog post, we will dive into various techniques for measuring the memory usage of processes in Linux, highlighting both simple and more advanced methods.

Why Using ps May Be Misleading

Many Linux users are familiar with the ps command, which is often used to check the status of running processes, including memory usage. However, it’s important to understand that ps might not give you the full picture of actual memory usage. Here’s why:

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