Class: Jaeger::Samplers::Probabilistic
- Inherits:
-
Object
- Object
- Jaeger::Samplers::Probabilistic
- Defined in:
- lib/jaeger/samplers/probabilistic.rb
Overview
Probabilistic sampler
Sample a portion of traces using trace_id as the random decision
Instance Method Summary collapse
-
#initialize(rate: 0.001) ⇒ Probabilistic
constructor
A new instance of Probabilistic.
- #sample?(trace_id:) ⇒ Boolean
Constructor Details
#initialize(rate: 0.001) ⇒ Probabilistic
Returns a new instance of Probabilistic.
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# File 'lib/jaeger/samplers/probabilistic.rb', line 9 def initialize(rate: 0.001) if rate < 0.0 || rate > 1.0 raise "Sampling rate must be between 0.0 and 1.0, got #{rate.inspect}" end @boundary = TraceId::TRACE_ID_UPPER_BOUND * rate @tags = { 'sampler.type' => 'probabilistic', 'sampler.param' => rate } end |
Instance Method Details
#sample?(trace_id:) ⇒ Boolean
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# File 'lib/jaeger/samplers/probabilistic.rb', line 21 def sample?(trace_id:, **) [@boundary >= trace_id, @tags] end |