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ScalingEngineConfig

hyperi_rustlib::scaling

Struct ScalingEngineConfig 

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pub struct ScalingEngineConfig {
    pub enabled: bool,
    pub interval_secs: u64,
    pub params: BTreeMap<String, f64>,
    pub pressures: Vec<PressureExpr>,
    pub transport: ScalingTransportConfig,
}
Available on crate feature scaling only.
Expand description

Configuration for the horizontal scaling-pressure ENGINE (CEL over local metrics).

Lives under the scaling cascade key alongside ScalingPressureConfig; serde ignores each other’s extra fields, so both can read the same section. Precedence for the produced pressure: config pressures (here) > app-plumbed default > rustlib’s context-aware smart default (when pressures is empty).

Fields§

§enabled: bool

Master switch for the CEL pressure engine.

§interval_secs: u64

Evaluation period in seconds (periodic, off the data hot-path).

§params: BTreeMap<String, f64>

Tunable targets/constants referenced by expressions as params.<key>. Transport-term defaults are filled by PressureTargets::from_params; cpu_target defaults to 0.70 (see Self::cpu_target).

§pressures: Vec<PressureExpr>

Named pressure expressions. EMPTY => rustlib composes the context-aware smart default from the inbound transport kind.

§transport: ScalingTransportConfig

Optional explicit inbound/outbound transport kinds (else the runtime auto-derives them from the transports it builds).

Implementations§

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impl ScalingEngineConfig

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pub fn from_cascade() -> Self

Load from the config cascade under the scaling key.

Non-registered read (the section is already registered by ScalingPressureConfig::from_cascade); falls back to defaults when config is absent.

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pub fn cpu_target(&self) -> f64

CPU utilisation target (0-1), defaulting to 0.70 when unset/invalid.

Trait Implementations§

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impl Clone for ScalingEngineConfig

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fn clone(&self) -> ScalingEngineConfig

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 ScalingEngineConfig

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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 ScalingEngineConfig

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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 ScalingEngineConfig
where ScalingEngineConfig: Default,

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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 Serialize for ScalingEngineConfig

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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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impl<T> Pointable for T

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const ALIGN: usize

The alignment of pointer.
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type Init = T

The type for initializers.
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unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
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unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
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unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more
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unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
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impl<T> PolicyExt for T
where T: ?Sized,

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fn and<P, B, E>(self, other: P) -> And<T, P>
where T: Sized + Policy<B, E>, P: Policy<B, E>,

Create a new Policy that returns Action::Follow only if self and other return Action::Follow. Read more
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fn or<P, B, E>(self, other: P) -> Or<T, P>
where T: Sized + Policy<B, E>, P: Policy<B, E>,

Create a new Policy that returns Action::Follow if either self or other returns Action::Follow. Read more
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impl<T> Read<Exclusive, BecauseExclusive> for T
where T: ?Sized,

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impl<T> Same for T

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type Output = T

Should always be Self
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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<T> TryIntoValue for T
where T: Serialize,

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type Error = SerializationError

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fn try_into_value(self) -> Result<Value, <T as TryIntoValue>::Error>

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impl<V, T> VZip<V> for T
where V: MultiLane<T>,

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fn vzip(self) -> V

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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more
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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more