Documentation ¶
Index ¶
Constants ¶
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Variables ¶
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Functions ¶
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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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