strategystore

package
v1.58.1 Latest Latest
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Published: Jun 22, 2024 License: Apache-2.0 Imports: 7 Imported by: 0

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Types

type Aggregator added in v1.27.0

type Aggregator interface {
	// Close() from io.Closer stops the aggregator from aggregating throughput.
	io.Closer

	// The HandleRootSpan function processes a span, checking if it's a root span.
	// If it is, it extracts sampler parameters, then calls RecordThroughput.
	HandleRootSpan(span *model.Span, logger *zap.Logger)

	// RecordThroughput records throughput for an operation for aggregation.
	RecordThroughput(service, operation string, samplerType model.SamplerType, probability float64)

	// Start starts aggregating operation throughput.
	Start()
}

Aggregator defines an interface used to aggregate operation throughput.

type Factory

type Factory interface {
	// Initialize performs internal initialization of the factory.
	Initialize(metricsFactory metrics.Factory, ssFactory storage.SamplingStoreFactory, logger *zap.Logger) error

	// CreateStrategyStore initializes the StrategyStore and returns it.
	CreateStrategyStore() (StrategyStore, Aggregator, error)

	// Close closes the factory
	Close() error
}

Factory defines an interface for a factory that can create implementations of different strategy storage components. Implementations are also encouraged to implement plugin.Configurable interface.

See also

plugin.Configurable

type StrategyStore

type StrategyStore interface {
	// Close() from io.Closer  stops the processor from calculating probabilities.
	io.Closer

	// GetSamplingStrategy retrieves the sampling strategy for the specified service.
	GetSamplingStrategy(ctx context.Context, serviceName string) (*api_v2.SamplingStrategyResponse, error)
}

StrategyStore keeps track of service specific sampling strategies.

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