Struct mz_compute_client::metrics::InstanceMetrics

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pub struct InstanceMetrics {
Show 14 fields
    instance_id: ComputeInstanceId,
    metrics: ComputeControllerMetrics,
    pub replica_count: UIntGauge,
    pub collection_count: UIntGauge,
    pub collection_unscheduled_count: UIntGauge,
    pub peek_count: UIntGauge,
    pub subscribe_count: UIntGauge,
    pub copy_to_count: UIntGauge,
    pub history_command_count: CommandMetrics<UIntGauge>,
    pub history_dataflow_count: UIntGauge,
    pub peeks_total: PeekMetrics<DeleteOnDropCounter<'static, AtomicU64, Vec<String>>>,
    pub peek_duration_seconds: PeekMetrics<DeleteOnDropHistogram<'static, Vec<String>>>,
    pub response_send_count: DeleteOnDropCounter<'static, AtomicU64, Vec<String>>,
    pub response_recv_count: DeleteOnDropCounter<'static, AtomicU64, Vec<String>>,

}
Expand description

Per-instance metrics

Fields§

§instance_id: ComputeInstanceId§metrics: ComputeControllerMetrics§replica_count: UIntGauge

Gauge tracking the number of replicas.

§collection_count: UIntGauge

Gauge tracking the number of installed compute collections.

§collection_unscheduled_count: UIntGauge

Gauge tracking the number of installed but unscheduled compute collections.

§peek_count: UIntGauge

Gauge tracking the number of pending peeks.

§subscribe_count: UIntGauge

Gauge tracking the number of active subscribes.

§copy_to_count: UIntGauge

Gauge tracking the number of active COPY TO queries.

§history_command_count: CommandMetrics<UIntGauge>

Gauges tracking the number of commands in the command history.

§history_dataflow_count: UIntGauge

Gauge tracking the number of dataflows in the command history.

§peeks_total: PeekMetrics<DeleteOnDropCounter<'static, AtomicU64, Vec<String>>>

Counter tracking the total number of peeks served.

§peek_duration_seconds: PeekMetrics<DeleteOnDropHistogram<'static, Vec<String>>>

Histogram tracking peek durations.

§response_send_count: DeleteOnDropCounter<'static, AtomicU64, Vec<String>>

Gauge tracking the number of sends on the compute response queue.

§response_recv_count: DeleteOnDropCounter<'static, AtomicU64, Vec<String>>

Gauge tracking the number of receives on the compute response queue.

Implementations§

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impl InstanceMetrics

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pub fn for_replica(&self, replica_id: ReplicaId) -> ReplicaMetrics

TODO(database-issues#7533): Add documentation.

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pub fn for_history(&self) -> HistoryMetrics<UIntGauge>

TODO(database-issues#7533): Add documentation.

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pub fn observe_peek_response(&self, response: &PeekResponse, duration: Duration)

Reflect the given peek response in the metrics.

Trait Implementations§

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impl Debug for InstanceMetrics

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

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