What Is Cache Memory in Linux Server?
Contents Cached Memory Is Free Memory That Has Been Filled with the Contents of Blocks on Disk. It Will Be Vacated as Soon as the Space Is Needed by Anything...
Cached memory is free memory that has been filled with the contents of blocks on disk. It will be vacated as soon as the space is needed by anything else. This is a good thing that enhances performance. Compare your question with Server refuses to use swap partition.
What is Linux cache memory?
The purpose of cache memory is to act as a buffer between the very limited, very high-speed CPU registers and the relatively slower and much larger main system memory — usually referred to as RAM.
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What happens if we clear cache memory in Linux?
Free Buffer and Cache in Linux
Linux is designed in such a way that it looks into the disk cache before looking onto the disk. If it finds the resource in the cache, then the request doesn’t reach the disk. If we clean the cache, the disk cache will be less useful as the OS will look for the resource on the disk.
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