Struct SegmentStats

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pub struct SegmentStats {
    pub n_vectors: usize,
    pub n_deleted: usize,
    pub size_bytes: u64,
    pub created_at: SystemTime,
    pub last_accessed: SystemTime,
    pub access_count: u64,
    pub quantizer_meta: QuantizerMeta,
    pub error_samples: Vec<f32>,
}

Expand description

Segment statistics for compaction decisions

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§n_vectors: usize

Total vectors in segment

§n_deleted: usize

Deleted vectors (tombstones)

§size_bytes: u64

Segment size in bytes

§created_at: SystemTime

Created timestamp

§last_accessed: SystemTime

Last access timestamp

§access_count: u64

Number of accesses

§quantizer_meta: QuantizerMeta

Quantizer metadata

§error_samples: Vec<f32>

Quantization error samples (for drift detection)

Implementations§

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impl SegmentStats

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pub fn new(n_vectors: usize, size_bytes: u64) -> Self

Create new stats

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pub fn deletion_ratio(&self) -> f32

Get deletion ratio

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pub fn live_vectors(&self) -> usize

Get live vector count

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pub fn record_error(&mut self, error: f32)

Record quantizer error sample

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pub fn estimated_error(&self) -> f32

Get current estimated quantizer error

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pub fn needs_retraining(&self, threshold: f32) -> bool

Check if quantizer needs retraining

Trait Implementations§

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impl Clone for SegmentStats

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fn clone(&self) -> SegmentStats

Returns a duplicate of the value. Read more

1.0.0 (const: unstable) · Source§

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

Performs copy-assignment from source. Read more

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impl Debug for SegmentStats

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

Formats the value using the given formatter. Read more

Auto Trait Implementations§

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impl UnwindSafe for SegmentStats

Blanket Implementations§

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impl<T> Allocation for T
where T: RefUnwindSafe + Send + Sync,

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

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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

Immutably borrows from an owned value. Read more

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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<ST, DT> CastableFrom<ST, Initialized, Initialized> for DT
where ST: ?Sized, DT: ?Sized,

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impl<ST, DT> CastableFrom<ST, Uninit, Uninit> for DT
where ST: ?Sized, DT: ?Sized,

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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)

Performs copy-assignment from self to dest. 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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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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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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