observability

Mar 25, 2026

Changes in this version

+ type NoopMetrics struct

+ func (m *NoopMetrics) RecordEmbeddingCount(int)

+ func (m *NoopMetrics) RecordIndexingDuration(string, any)

+ func (m *NoopMetrics) RecordIndexingResult(string, int)

+ func (m *NoopMetrics) RecordLLMTokenUsage(string, int, int)

+ func (m *NoopMetrics) RecordQueryCount(string)

+ func (m *NoopMetrics) RecordRAGEvaluation(string, float32)

+ func (m *NoopMetrics) RecordSearchDuration(string, any)

+ func (m *NoopMetrics) RecordSearchError(string, error)

+ func (m *NoopMetrics) RecordSearchResult(string, int)

+ func (m *NoopMetrics) RecordVectorStoreOperations(string, int)

type PrometheusMetrics

+ func (m *PrometheusMetrics) RecordLLMTokenUsage(model string, prompt int, completion int)

+ func (m *PrometheusMetrics) RecordQueryCount(engine string)

+ func (m *PrometheusMetrics) RecordRAGEvaluation(metric string, score float32)

Mar 22, 2026

Changes in this version

type Collector

+ func DefaultNoopCollector() Collector

+ type PrometheusMetrics struct

+ func DefaultPrometheusMetrics(addr string) *PrometheusMetrics

+ func (m *PrometheusMetrics) RecordEmbeddingCount(count int)

+ func (m *PrometheusMetrics) RecordIndexingDuration(parser string, duration any)

+ func (m *PrometheusMetrics) RecordIndexingResult(parser string, count int)

+ func (m *PrometheusMetrics) RecordSearchDuration(engine string, duration any)

+ func (m *PrometheusMetrics) RecordSearchError(engine string, err error)

+ func (m *PrometheusMetrics) RecordSearchResult(engine string, count int)

+ func (m *PrometheusMetrics) RecordVectorStoreOperations(op string, count int)

type Tracer

+ func DefaultNoopTracer() Tracer

+ func DefaultOpenTelemetryTracer(ctx context.Context, endpoint string, serviceName string) (Tracer, error)

Mar 17, 2026

Changes in this version

+ type Collector interface

+ RecordCount func(operation string, status string, labels map[string]string)

+ RecordDuration func(operation string, duration time.Duration, labels map[string]string)

+ RecordValue func(metricName string, value float64, labels map[string]string)

+ func NewNoopCollector() Collector

+ type Span interface

+ End func()

+ LogEvent func(eventName string, fields map[string]interface{})

+ SetTag func(key string, value interface{})

+ type Tracer interface

+ GetSpan func(ctx context.Context) Span

+ StartSpan func(ctx context.Context, operationName string) (context.Context, Span)

+ func NewNoopTracer() Tracer