package maxsumcount

import "go.opentelemetry.io/otel/sdk/metric/aggregator/maxsumcount"

Index ¶

• type Aggregator
• func New() *Aggregator
• func (c *Aggregator) Checkpoint(ctx context.Context, _ *export.Descriptor)
• func (c *Aggregator) Count() (int64, error)
• func (c *Aggregator) Max() (core.Number, error)
• func (c *Aggregator) Merge(oa export.Aggregator, desc *export.Descriptor) error
• func (c *Aggregator) Sum() (core.Number, error)
• func (c *Aggregator) Update(_ context.Context, number core.Number, desc *export.Descriptor) error

Types ¶

type Aggregator ¶

type Aggregator struct {
	// contains filtered or unexported fields
}

Aggregator aggregates measure events, keeping only the max, sum, and count.

func New ¶

func New() *Aggregator

New returns a new measure aggregator for computing max, sum, and count. It does not compute quantile information other than Max.

Note that this aggregator maintains each value using independent atomic operations, which introduces the possibility that checkpoints are inconsistent. For greater consistency and lower performance, consider using Array or DDSketch aggregators.

func (*Aggregator) Checkpoint ¶

func (c *Aggregator) Checkpoint(ctx context.Context, _ *export.Descriptor)

Checkpoint saves the current state and resets the current state to the empty set. Since no locks are taken, there is a chance that the independent Max, Sum, and Count are not consistent with each other.

func (*Aggregator) Count ¶

func (c *Aggregator) Count() (int64, error)

Count returns the number of values in the checkpoint.

func (*Aggregator) Max ¶

func (c *Aggregator) Max() (core.Number, error)

Max returns the maximum value in the checkpoint.

func (*Aggregator) Merge ¶

func (c *Aggregator) Merge(oa export.Aggregator, desc *export.Descriptor) error

Merge combines two data sets into one.

func (*Aggregator) Sum ¶

func (c *Aggregator) Sum() (core.Number, error)

Sum returns the sum of values in the checkpoint.

func (*Aggregator) Update ¶

func (c *Aggregator) Update(_ context.Context, number core.Number, desc *export.Descriptor) error

Update adds the recorded measurement to the current data set.

Source Files ¶

msc.go