pub struct EngineMetrics {Show 30 fields
pub events_ingested: IntCounter,
pub events_emitted: IntCounter,
pub events_dropped: IntCounter,
pub cycles: IntCounter,
pub batches: IntCounter,
pub queries_compiled: IntCounter,
pub queries_cached_plan: IntCounter,
pub cycles_backpressured: IntCounter,
pub mv_updates: IntCounter,
pub mv_bytes_stored: IntGauge,
pub pipeline_watermark: IntGauge,
pub source_watermark_ms: IntGaugeVec,
pub stream_watermark_ms: IntGaugeVec,
pub input_buf_bytes: IntGaugeVec,
pub shed_records_total: IntCounterVec,
pub checkpoints_completed: IntCounter,
pub checkpoints_failed: IntCounter,
pub checkpoint_epoch: IntGauge,
pub checkpoint_size_bytes: IntGauge,
pub sink_write_failures: IntCounter,
pub sink_write_timeouts: IntCounter,
pub sink_task_channel_closed: IntCounter,
pub sink_filter_rejected_rows: IntCounterVec,
pub cycle_duration: Histogram,
pub checkpoint_duration: Histogram,
pub sink_precommit_duration: Histogram,
pub sink_commit_duration: Histogram,
pub barrier_alignment_wait: HistogramVec,
pub watermark_propagation: Histogram,
pub pipeline_e2e_latency: HistogramVec,
}Expand description
Pipeline metrics registered on an explicit prometheus Registry.
Constructed once at startup, Arc-shared into PipelineCallback,
CheckpointCoordinator, and OperatorGraph.
Fields§
§events_ingested: IntCounterEvents ingested from sources.
events_emitted: IntCounterEvents emitted to streams.
events_dropped: IntCounterEvents dropped.
cycles: IntCounterProcessing cycles completed.
batches: IntCounterBatches processed.
queries_compiled: IntCounterQueries using compiled PhysicalExpr.
queries_cached_plan: IntCounterQueries using cached logical plan.
cycles_backpressured: IntCounterCycles skipped by backpressure.
mv_updates: IntCounterMaterialized view updates.
mv_bytes_stored: IntGaugeApproximate MV bytes stored.
pipeline_watermark: IntGaugeGlobal pipeline watermark.
source_watermark_ms: IntGaugeVecPer-source watermark (epoch-ms). Label: source.
stream_watermark_ms: IntGaugeVecPer-stream watermark (epoch-ms). Label: stream.
input_buf_bytes: IntGaugeVecPer-stream input-port buffered bytes. Label: stream.
shed_records_total: IntCounterVecPer-stream rows shed by the ShedOldest policy. Label: stream.
checkpoints_completed: IntCounterCompleted checkpoints.
checkpoints_failed: IntCounterFailed checkpoints.
checkpoint_epoch: IntGaugeCurrent checkpoint epoch.
checkpoint_size_bytes: IntGaugeLast checkpoint size in bytes.
sink_write_failures: IntCounterSink write errors.
sink_write_timeouts: IntCounterSink write timeouts.
sink_task_channel_closed: IntCounterSink task channel closed.
sink_filter_rejected_rows: IntCounterVecRows dropped because the sink’s WHERE filter failed to compile to
a PhysicalExpr (fail-closed). Label: sink.
cycle_duration: HistogramPer-cycle processing duration.
checkpoint_duration: HistogramCheckpoint cycle duration.
sink_precommit_duration: HistogramSink pre-commit round-trip (2PC phase 1).
sink_commit_duration: HistogramSink commit round-trip (2PC phase 2).
barrier_alignment_wait: HistogramVecTime an operator spent waiting for the slowest input to deliver
its checkpoint barrier. Label: operator. Zero for single-input.
watermark_propagation: HistogramDelay between local watermark advancement and its cluster-wide observation. Written by the cluster watermark bus.
pipeline_e2e_latency: HistogramVecEnd-to-end event latency, source ingest to sink commit.
Label: pipeline. The primary SLA metric.
Implementations§
Auto Trait Implementations§
impl Freeze for EngineMetrics
impl !RefUnwindSafe for EngineMetrics
impl Send for EngineMetrics
impl Sync for EngineMetrics
impl Unpin for EngineMetrics
impl UnsafeUnpin for EngineMetrics
impl !UnwindSafe for EngineMetrics
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