Enum PressureReaction 

pub enum PressureReaction {
    None,
    Shrink {
        target_utilization: f64,
    },
    Callback(Box<dyn Fn(MemoryPressureLevel) + Sync + Send>),
}

Reaction to memory pressure events.

Pools can be configured to react to memory pressure by shrinking or invoking custom callbacks.

Variants

None

No automatic reaction to pressure.

Shrink

Automatically shrink pool to target utilization.

The target_utilization is a fraction (0.0 to 1.0) of the max pool size to retain when under pressure.

Fields

target_utilization: f64

Target utilization as fraction of max capacity.

Callback(Box<dyn Fn(MemoryPressureLevel) + Sync + Send>)

Invoke a custom callback on pressure change.

Trait Implementations

impl Debug for PressureReaction

fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter.