Struct Adjustment 

pub struct Adjustment {
    pub kind: AdjustmentKind,
    pub recommended_capacity: usize,
    pub ttl_extend: Duration,
    pub ttl_reduce: Duration,
    pub observed_hit_rate: f64,
}

A recommended adjustment emitted by [AdaptivePolicy::evaluate].

Fields

kind: AdjustmentKind

What kind of change is recommended.

recommended_capacity: usize

Recommended new cache capacity.

ttl_extend: Duration

Recommended TTL delta (positive = extend, negative = reduce).

For AdjustmentKind::Grow this is + ttl_extension. For AdjustmentKind::Shrink this is - ttl_reduction (represented as a negative duration is awkward, so we split into two fields).

ttl_reduce: Duration

TTL reduction (only non-zero for AdjustmentKind::Shrink).

observed_hit_rate: f64

The rolling hit rate that triggered this adjustment.

Trait Implementations

impl Clone for Adjustment

fn clone(&self) -> Adjustment

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Adjustment

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

Formats the value using the given formatter.