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ClusterSubscriptionMetrics

laminar_db::engine_metrics

Struct ClusterSubscriptionMetrics 

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pub struct ClusterSubscriptionMetrics {
Show 22 fields
    pub active_readers: IntGauge,
    pub open_total: IntCounter,
    pub open_failures_total: IntCounter,
    pub frames_committed_total: IntCounter,
    pub rows_committed_total: IntCounter,
    pub bytes_committed_total: IntCounter,
    pub segments_written_total: IntCounter,
    pub segment_write_failures_total: IntCounter,
    pub manifest_failures_total: IntCounter,
    pub integrity_failures_total: IntCounter,
    pub stale_writer_rejections_total: IntCounter,
    pub sequence_gaps_total: IntCounter,
    pub replay_bytes_total: IntCounter,
    pub replay_frames_total: IntCounter,
    pub replay_pruned_total: IntCounter,
    pub gateway_lag_disconnects_total: IntCounter,
    pub pending_bytes: IntGauge,
    pub retained_bytes: IntGauge,
    pub orphan_bytes: IntGauge,
    pub checkpoint_prepare_seconds: Histogram,
    pub commit_visibility_seconds: Histogram,
    pub gateway_manifest_refresh_seconds: Histogram,

}
Expand description

Bounded-cardinality metrics for committed cluster subscriptions.

Fields§

§active_readers: IntGauge

Readers currently attached to this gateway process.

§open_total: IntCounter

Cluster subscription open attempts handled by this process.

§open_failures_total: IntCounter

Failed cluster subscription open attempts.

§frames_committed_total: IntCounter

Output frames made visible by authoritative checkpoint Commit outcomes.

§rows_committed_total: IntCounter

Output rows made visible by authoritative checkpoint Commit outcomes.

§bytes_committed_total: IntCounter

Encoded segment bytes made visible by authoritative checkpoint Commit outcomes.

§segments_written_total: IntCounter

Immutable output segments written by this process.

§segment_write_failures_total: IntCounter

Immutable output segment writes that failed.

§manifest_failures_total: IntCounter

Manifest construction, loading, or validation failures.

§integrity_failures_total: IntCounter

Committed manifest or segment integrity failures.

§stale_writer_rejections_total: IntCounter

Fenced output writer attempts rejected by this process.

§sequence_gaps_total: IntCounter

Partition continuity failures detected by writers or readers.

§replay_bytes_total: IntCounter

Encoded bytes read during committed replay.

§replay_frames_total: IntCounter

Frames read during committed replay.

§replay_pruned_total: IntCounter

Replay opens rejected because their epoch was pruned.

§gateway_lag_disconnects_total: IntCounter

Readers disconnected after exhausting bounded gateway lag allowance.

§pending_bytes: IntGauge

In-memory output bytes awaiting checkpoint disposition on this process.

§retained_bytes: IntGauge

Bytes reachable from the retained committed output-log suffix.

§orphan_bytes: IntGauge

Grace-held unreachable output bytes found by the latest orphan scan.

§checkpoint_prepare_seconds: Histogram

Subscription output encoding and upload duration during checkpoint preparation.

§commit_visibility_seconds: Histogram

Authoritative Commit publication duration before local visibility.

§gateway_manifest_refresh_seconds: Histogram

Gateway committed-index refresh duration.

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