Assigned Memory not visible in server

Situation - You assign for example 2 GB of memory to your virtual server.  But from within the server only 1.7 GB is available.  Even looking at /proc/meminfo shows a MemTotal less than the 2 GB.

Cause - The server's OS is using part of the memory for itself.  The remaining is listed as MemTotal.

Confirmation - You can confirm how much memory was recognized by the OS during startup.

  • Check the device log
    cat /var/log/dmesg | grep Memory

Remedy -  Since the OS decides how to use the memory there isn't much that can be done.  But if you need 2 GB memory available then you can add more memory via the customer portal's console.  You can put in exactly what you need.  You aren't limited by physical memory sizes.

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