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store_metrics.go
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store_metrics.go
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package telemetry
import (
"context"
"time"
"go.opentelemetry.io/otel/metric"
"go.opentelemetry.io/otel/metric/instrument"
"go.opentelemetry.io/otel/metric/instrument/syncint64"
)
// StoreMetrics represents all metrics related to the Store
type StoreMetrics struct {
globalLockAcquisitionDurationMicro syncint64.Histogram
globalLockAcquisitionDurationMs syncint64.Histogram
persistenceDurationMicro syncint64.Histogram
persistenceDurationMs syncint64.Histogram
ctx context.Context
}
// NewStoreMetrics creates an instance of StoreMetrics
func NewStoreMetrics(ctx context.Context, meter metric.Meter) (*StoreMetrics, error) {
globalLockAcquisitionDurationMicro, err := meter.SyncInt64().Histogram("management.store.global.lock.acquisition.duration.micro",
instrument.WithUnit("microseconds"))
if err != nil {
return nil, err
}
globalLockAcquisitionDurationMs, err := meter.SyncInt64().Histogram("management.store.global.lock.acquisition.duration.ms")
if err != nil {
return nil, err
}
persistenceDurationMicro, err := meter.SyncInt64().Histogram("management.store.persistence.duration.micro",
instrument.WithUnit("microseconds"))
if err != nil {
return nil, err
}
persistenceDurationMs, err := meter.SyncInt64().Histogram("management.store.persistence.duration.ms")
if err != nil {
return nil, err
}
return &StoreMetrics{
globalLockAcquisitionDurationMicro: globalLockAcquisitionDurationMicro,
globalLockAcquisitionDurationMs: globalLockAcquisitionDurationMs,
persistenceDurationMicro: persistenceDurationMicro,
persistenceDurationMs: persistenceDurationMs,
ctx: ctx,
}, nil
}
// CountGlobalLockAcquisitionDuration counts the duration of the global lock acquisition
func (metrics *StoreMetrics) CountGlobalLockAcquisitionDuration(duration time.Duration) {
metrics.globalLockAcquisitionDurationMicro.Record(metrics.ctx, duration.Microseconds())
metrics.globalLockAcquisitionDurationMs.Record(metrics.ctx, duration.Milliseconds())
}
// CountPersistenceDuration counts the duration of a store persistence operation
func (metrics *StoreMetrics) CountPersistenceDuration(duration time.Duration) {
metrics.persistenceDurationMicro.Record(metrics.ctx, duration.Microseconds())
metrics.persistenceDurationMs.Record(metrics.ctx, duration.Milliseconds())
}