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// _ _
// __ _____ __ ___ ___ __ _| |_ ___
// \ \ /\ / / _ \/ _` \ \ / / |/ _` | __/ _ \
// \ V V / __/ (_| |\ V /| | (_| | || __/
// \_/\_/ \___|\__,_| \_/ |_|\__,_|\__\___|
//
// Copyright © 2016 - 2024 Weaviate B.V. All rights reserved.
//
// CONTACT: [email protected]
//
package traverser
import (
"time"
"github.com/prometheus/client_golang/prometheus"
"github.com/weaviate/weaviate/usecases/monitoring"
)
type Metrics struct {
queriesCount *prometheus.GaugeVec
queriesDurations *prometheus.HistogramVec
dimensions *prometheus.CounterVec
dimensionsCombined prometheus.Counter
groupClasses bool
}
func NewMetrics(prom *monitoring.PrometheusMetrics) *Metrics {
if prom == nil {
return nil
}
return &Metrics{
queriesCount: prom.QueriesCount,
queriesDurations: prom.QueriesDurations,
dimensions: prom.QueryDimensions,
dimensionsCombined: prom.QueryDimensionsCombined,
groupClasses: prom.Group,
}
}
func (m *Metrics) QueriesAggregateInc(className string) {
if m == nil {
return
}
if m.groupClasses {
className = "n/a"
}
m.queriesCount.With(prometheus.Labels{
"class_name": className,
"query_type": "aggregate",
}).Inc()
}
func (m *Metrics) QueriesAggregateDec(className string) {
if m == nil {
return
}
if m.groupClasses {
className = "n/a"
}
m.queriesCount.With(prometheus.Labels{
"class_name": className,
"query_type": "aggregate",
}).Dec()
}
func (m *Metrics) QueriesGetInc(className string) {
if m == nil {
return
}
if m.groupClasses {
className = "n/a"
}
m.queriesCount.With(prometheus.Labels{
"class_name": className,
"query_type": "get_graphql",
}).Inc()
}
func (m *Metrics) QueriesObserveDuration(className string, startMs int64) {
if m == nil {
return
}
if m.groupClasses {
className = "n/a"
}
took := float64(time.Now().UnixMilli() - startMs)
m.queriesDurations.With(prometheus.Labels{
"class_name": className,
"query_type": "get_graphql",
}).Observe(float64(took))
}
func (m *Metrics) QueriesGetDec(className string) {
if m == nil {
return
}
if m.groupClasses {
className = "n/a"
}
m.queriesCount.With(prometheus.Labels{
"class_name": className,
"query_type": "get_graphql",
}).Dec()
}
func (m *Metrics) AddUsageDimensions(className, queryType, operation string, dims int) {
if m == nil {
return
}
if m.groupClasses {
className = "n/a"
}
m.dimensions.With(prometheus.Labels{
"class_name": className,
"operation": operation,
"query_type": queryType,
}).Add(float64(dims))
m.dimensionsCombined.Add(float64(dims))
}
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