metrics

Documentation

Index

• Variables
• type Metrics
  • func NewMemoryMetrics() Metrics

Variables

var (
	// Path is the default path to write metrics.
	Path = "/var/log/p2pmetrics"

	// ReportInterval is the interval to report metrics.
	ReportInterval = 3 * time.Minute

	// AggregationInterval is the interval to aggregate metrics.
	AggregationInterval = 2 * time.Minute

	// RetentionPeriod is the retention period of metrics.
	RetentionPeriod = 10 * time.Minute
)

Types

type Metrics

type Metrics interface {
	// RecordRequest records the time it takes to process a request.
	RecordRequest(method, handler string, duration float64)

	// RecordPeerDiscovery records the time it takes to discover a peer.
	RecordPeerDiscovery(ip string, duration float64)

	// RecordPeerResponse records the time it takes for a peer to respond for a key.
	RecordPeerResponse(ip, key, op string, duration float64, count int64)

	// RecordUpstreamResponse records the time it takes for an upstream to respond for a key.
	RecordUpstreamResponse(hostname, key, op string, duration float64, count int64)
}

Metrics defines an interface to collect p2p metrics.

var Global Metrics = NewMemoryMetrics()

Global is the global metrics collector.

func NewMemoryMetrics

func NewMemoryMetrics() Metrics

NewMemoryMetrics returns a new memory metrics collector.