Analysis of High Memory Usage by Buffers and Cache in Linux
1. Origin of the Problem: When using a Linux system, we often find that the cache occupies a large amount of memory. For example, when checking memory status with the `free` command, we may see that `buff/cache` has already taken up 2.1G of memory. Since the Linux 2.4 version, “buffer” and “cache” have been unified … Read more