Struct foyer_memory::LfuConfig

source · 
pub struct LfuConfig {
    pub window_capacity_ratio: f64,
    pub protected_capacity_ratio: f64,
    pub cmsketch_eps: f64,
    pub cmsketch_confidence: f64,
}
Expand description

w-TinyLFU eviction algorithm config.

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§window_capacity_ratio: f64

window capacity ratio of the total cache capacity.

Must be in (0, 1).

Must guarantee window_capacity_ratio + protected_capacity_ratio < 1.

§protected_capacity_ratio: f64

protected capacity ratio of the total cache capacity.

Must be in (0, 1).

Must guarantee window_capacity_ratio + protected_capacity_ratio < 1.

§cmsketch_eps: f64

Error of the count-min sketch.

See CMSketchU16::new.

§cmsketch_confidence: f64

Confidence of the count-min sketch.

See CMSketchU16::new.

Trait Implementations§

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impl Clone for LfuConfig

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fn clone(&self) -> LfuConfig

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for LfuConfig

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

Formats the value using the given formatter. Read more
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impl Default for LfuConfig

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fn default() -> Self

Returns the “default value” for a type. Read more
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impl<'de> Deserialize<'de> for LfuConfig

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fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>
where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more
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impl From<LfuConfig> for EvictionConfig

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fn from(value: LfuConfig) -> EvictionConfig

Converts to this type from the input type.
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impl Serialize for LfuConfig

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fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>
where __S: Serializer,

Serialize this value into the given Serde serializer. Read more

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