Spotlight on Oracle 10.10

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Spotlight on Oracle 10.10 - Release Notes

The Memory panel displays detailed information about the physical and virtual memory on the Unix system. It shows statistics such as:

Physical RAM

Total RAM	The total amount of memory in RAM.
Free	The amount of physical memory that is free.

Virtual Memory

Max Size	The total amount of virtual memory for the system.
Free	The amount of virtual memory that is free or unused.
Used %	The amount of virtual memory consumed, expressed as a percentage of its maximum size.

Processes Swapped

Where applicable, this is the number of processes whose pages have all been moved into swap space.

Data flows between the Memory panel and the CPU panel

The rate data is written to / from memory. The unit of measure is dependent on the Operating System.

Operating System	Unit of Measure
Oracle Solaris	Kilobytes per second
HP-UX	Pages per second
IBM AIX	Pages per second
Linux	Kilobytes per second. Old versions of the kernel may measure in blocks per second. Refer to your Linux documentation.

Data flows between the Memory panel and the Swap Space panel

Swapping (Memory to Swap Space)	The rate at which processes are being swapped out to disk.
Swapping (Swap Space to Memory)	The rate at which processes are being swapped in from disk.

Data flows between the Memory panel and the Disk Activity panel

Disk I/O (Memory to Disk Activity)	The number of writes that the system makes to disk per second.
Disk I/O (Disk Activity to Memory)	The number of reads that the system makes from disk per second.

Spotlight on Oracle 10.10 - Release Notes