Struct TelemetryMetricsSnapshot

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pub struct TelemetryMetricsSnapshot {
    pub query_count: u64,
    pub query_total_duration: Duration,
    pub query_total_rows: u64,
    pub pool_acquire_count: u64,
    pub pool_acquire_total_duration: Duration,
    pub query_error_count: u64,
    pub prewarm_count: u64,
    pub prewarm_failed_count: u64,
    pub prewarm_duration: Duration,
}

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指标快照

Fields§

§query_count: u64

累计查询次数

§query_total_duration: Duration

累计查询耗时

§query_total_rows: u64

累计查询行数

§pool_acquire_count: u64

累计连接获取次数

§pool_acquire_total_duration: Duration

累计连接获取耗时

§query_error_count: u64

累计查询错误次数

§prewarm_count: u64

v3.2.0：预热成功次数

§prewarm_failed_count: u64

v3.2.0：预热失败次数

§prewarm_duration: Duration

v3.2.0：预热总耗时

Implementations§

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impl TelemetryMetricsSnapshot

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pub fn avg_query_duration(&self) -> Duration

平均查询耗时

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pub fn avg_query_rows(&self) -> f64

平均查询行数

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pub fn query_error_rate(&self) -> f64

查询错误率

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pub fn avg_pool_acquire_duration(&self) -> Duration

平均连接获取耗时

Trait Implementations§

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impl Clone for TelemetryMetricsSnapshot

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fn clone(&self) -> TelemetryMetricsSnapshot

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 TelemetryMetricsSnapshot

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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 TelemetryMetricsSnapshot

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

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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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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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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