feat(grouper): add Prometheus metrics #520
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neSpecc
reviewed
Feb 4, 2026
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| private metricsEventDuration = new client.Histogram({ | ||
| name: 'hawk_grouper_event_duration_seconds', |
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event_duration
Unclear naming. Maybe "handle_duration"?
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Add Prometheus metrics to Grouper worker: events counter (new/repeated), processing duration histogram, errors counter. Metrics are pushed to Pushgateway every 10s.