fastscan

Description

Maximum number of pages per second that the system looks at when memory pressure is highest.

Data Type

Signed integer

Default

The lesser of 64 Mbytes and 1/2 of physical memory.

Range

1 to one-half of physical memory

Units

Pages

Dynamic?

Yes, unless dynamic reconfiguration operations that add or delete memory occur. At that point, the value is reset to whatever was provided by /etc/system or was calculated from the new physical memory value.

Validation

Maximum value is the lesser of 64 Mbytes and 1/2 of physical memory.

When to Change

When more aggressive scanning of memory is desired during periods of memory shortfall, especially if the system is subject to periods of intense memory demand or when performing heavy file I/O.

Commitment Level

Unstable