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Mar 27, 2026
src/mlpa/core/prometheus_metrics.py
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| "mlpa_chat_completion_latency_seconds", | ||
| "Chat completion latency in seconds.", | ||
| ["result", "model", "service_type", "purpose"], | ||
| ["result", "model", "service_type", "purpose", "chat_id"], |
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This is a critical thing, we should not push high cardinality filters to Prometheus
This should be tracked through logging -> log sink -> BigQuery or with server side Glean
noahpodgurski
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What's new
TODO: Research glean vs sink https://mozilla-hub.atlassian.net/browse/GENAI-3967
https://mozilla.slack.com/archives/C09KKBSD0SG/p1769005992138379