Oracle Solaris Tunable Parameters Reference Manual

slowscan

Description

Defines the minimum number of pages per second that the system looks at when attempting to reclaim memory.

Data Type

Signed integer

Default

The smaller of 1/20th of physical memory in pages and 100.

Range

1 to fastscan / 2

Units

Pages

Dynamic?

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

Validation

If slowscan is larger than fastscan / 2, slowscan is reset to fastscan / 2. No message is displayed.

When to Change

When more aggressive scanning of memory is preferred during periods of memory shortfall, especially when the system is subject to periods of intense memory demand.

Commitment Level

Unstable