In awr & quot; PHYSICAL_MEMORY_BYTES & quot;, the displayed memory is the currently available physical memory.

In awr, "PHYSICAL_MEMORY_BYTES" indicates the available physical memory and physical memory.

Environment: Microsoft Windows x86 64-bit, Oracle Database 11.2.0.1.0, single-host

 

In awr, the memory displayed by "PHYSICAL_MEMORY_BYTES" is the currently available physical memory.

Note: The current available physical memory is not the sum of the memory size inserted in the memory slot on the motherboard, for example, the following case:

 

The operating system is as follows:

 

In awr:

 

As you will know later, there are four memory slots on the host, and each memory slot has a 4G memory, one of which may not be properly inserted, resulting in unrecognized Windows operating system.

This is why 16 GB (11.8GB available) is displayed.

 

Copyright Disclaimer: This article is an original article by the blogger and cannot be reproduced without the permission of the blogger.