Struct PrefixCacheStats

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pub struct PrefixCacheStats {
    pub hit_rate: f32,
    pub cached_blocks: usize,
    pub capacity_blocks: usize,
    pub memory_bytes: usize,
    pub total_hits: u64,
    pub total_misses: u64,
    pub total_evictions: u64,
}

Expand description

A snapshot of prefix-cache statistics for observability.

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§hit_rate: f32

Fraction of lookups that found a cached block, in [0, 1].

§cached_blocks: usize

Number of blocks currently in the cache.

§capacity_blocks: usize

Maximum number of blocks the cache can hold.

§memory_bytes: usize

Total memory consumed by KV data in bytes.

§total_hits: u64

Cumulative cache hits.

§total_misses: u64

Cumulative cache misses.

§total_evictions: u64

Cumulative evictions.

Trait Implementations§

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impl Debug for PrefixCacheStats

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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 Serialize for PrefixCacheStats

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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

Auto Trait Implementations§

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impl UnwindSafe for PrefixCacheStats

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more

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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more

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impl<T, U> Into for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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