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HostProfile

cbtop::predictive_scheduler

Struct HostProfile 

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pub struct HostProfile {
    pub host_id: String,
    pub instance_type: InstanceType,
    pub compute_capacity: f64,
    pub memory_capacity: u64,
    pub current_load: f64,
    pub hourly_cost: f64,
    pub network_latency_ms: f64,
    pub historical_slo_compliance: f64,
    pub preemption_deadline: Option<Instant>,
    pub performance_cv: f64,
}
Expand description

Performance profile for a host

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§host_id: String

Unique host identifier

§instance_type: InstanceType

Instance type for cost modeling

§compute_capacity: f64

Compute capacity (operations per second)

§memory_capacity: u64

Memory capacity (bytes)

§current_load: f64

Current load (0.0-1.0)

§hourly_cost: f64

Base cost per hour (normalized units)

§network_latency_ms: f64

Network latency to coordinator (ms)

§historical_slo_compliance: f64

Historical SLO compliance rate

§preemption_deadline: Option<Instant>

Preemption deadline (None = not preemptible)

§performance_cv: f64

Performance variance (CV of operation times)

Implementations§

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impl HostProfile

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pub fn new(host_id: impl Into<String>, instance_type: InstanceType) -> Self

Create a new host profile

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pub fn cost_per_op(&self) -> f64

Effective cost per operation

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pub fn available_capacity(&self) -> f64

Available capacity (0.0-1.0)

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pub fn time_until_preemption(&self) -> Option<Duration>

Time until preemption (if applicable)

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pub fn is_safe_for_scheduling(&self, buffer: Duration) -> bool

Check if host is safe for scheduling (not near preemption)

Trait Implementations§

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impl Clone for HostProfile

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fn clone(&self) -> HostProfile

Returns a duplicate 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 HostProfile

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

Formats the value using the given formatter. Read more

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