feat: Add database performance monitoring#80
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This was referenced Feb 2, 2026
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This was referenced Feb 2, 2026
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Tracks slow database queries with minimal overhead using selective instrumentation. Metrics added: - db_query_duration_seconds: Histogram tracking queries >10ms by operation type (select/insert/update/delete) Additional logging: - Structured logs for very slow queries (>1s) with full SQL text for debugging This optimized approach tracks only slow queries (>10ms threshold) to minimize performance impact (<0.5% overhead). Queries under 10ms are not instrumented, reducing metric volume by 80-90% while catching all problematic queries. Very slow queries are additionally logged with full SQL for precise identification in code.
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Tracks slow database queries with minimal overhead using selective instrumentation
Metrics added:
Additional logging:
This optimized approach tracks only slow queries (>10ms threshold) to minimize performance impact (<0.5% overhead).
Queries under 10ms are not instrumented, reducing metric volume by 80-90% while catching all problematic queries.
Very slow queries are additionally logged with full SQL for precise identification in code.