diff options
Diffstat (limited to 'vendor/github.com/uber/jaeger-client-go/config/config.go')
| -rw-r--r-- | vendor/github.com/uber/jaeger-client-go/config/config.go | 34 |
1 files changed, 20 insertions, 14 deletions
diff --git a/vendor/github.com/uber/jaeger-client-go/config/config.go b/vendor/github.com/uber/jaeger-client-go/config/config.go index 965f7c3ee..a0c32d804 100644 --- a/vendor/github.com/uber/jaeger-client-go/config/config.go +++ b/vendor/github.com/uber/jaeger-client-go/config/config.go @@ -76,17 +76,26 @@ type SamplerConfig struct { // Can be set by exporting an environment variable named JAEGER_SAMPLER_MANAGER_HOST_PORT SamplingServerURL string `yaml:"samplingServerURL"` - // MaxOperations is the maximum number of operations that the sampler - // will keep track of. If an operation is not tracked, a default probabilistic - // sampler will be used rather than the per operation specific sampler. - // Can be set by exporting an environment variable named JAEGER_SAMPLER_MAX_OPERATIONS - MaxOperations int `yaml:"maxOperations"` - // SamplingRefreshInterval controls how often the remotely controlled sampler will poll // jaeger-agent for the appropriate sampling strategy. // Can be set by exporting an environment variable named JAEGER_SAMPLER_REFRESH_INTERVAL SamplingRefreshInterval time.Duration `yaml:"samplingRefreshInterval"` + // MaxOperations is the maximum number of operations that the PerOperationSampler + // will keep track of. If an operation is not tracked, a default probabilistic + // sampler will be used rather than the per operation specific sampler. + // Can be set by exporting an environment variable named JAEGER_SAMPLER_MAX_OPERATIONS. + MaxOperations int `yaml:"maxOperations"` + + // Opt-in feature for applications that require late binding of span name via explicit + // call to SetOperationName when using PerOperationSampler. When this feature is enabled, + // the sampler will return retryable=true from OnCreateSpan(), thus leaving the sampling + // decision as non-final (and the span as writeable). This may lead to degraded performance + // in applications that always provide the correct span name on trace creation. + // + // For backwards compatibility this option is off by default. + OperationNameLateBinding bool `yaml:"operationNameLateBinding"` + // Options can be used to programmatically pass additional options to the Remote sampler. Options []jaeger.SamplerOption } @@ -335,7 +344,7 @@ func (sc *SamplerConfig) NewSampler( return jaeger.NewProbabilisticSampler(sc.Param) } return nil, fmt.Errorf( - "Invalid Param for probabilistic sampler: %v. Expecting value between 0 and 1", + "invalid Param for probabilistic sampler; expecting value between 0 and 1, received %v", sc.Param, ) } @@ -353,17 +362,14 @@ func (sc *SamplerConfig) NewSampler( jaeger.SamplerOptions.Metrics(metrics), jaeger.SamplerOptions.InitialSampler(initSampler), jaeger.SamplerOptions.SamplingServerURL(sc.SamplingServerURL), - } - if sc.MaxOperations != 0 { - options = append(options, jaeger.SamplerOptions.MaxOperations(sc.MaxOperations)) - } - if sc.SamplingRefreshInterval != 0 { - options = append(options, jaeger.SamplerOptions.SamplingRefreshInterval(sc.SamplingRefreshInterval)) + jaeger.SamplerOptions.MaxOperations(sc.MaxOperations), + jaeger.SamplerOptions.OperationNameLateBinding(sc.OperationNameLateBinding), + jaeger.SamplerOptions.SamplingRefreshInterval(sc.SamplingRefreshInterval), } options = append(options, sc.Options...) return jaeger.NewRemotelyControlledSampler(serviceName, options...), nil } - return nil, fmt.Errorf("Unknown sampler type %v", sc.Type) + return nil, fmt.Errorf("unknown sampler type (%s)", sc.Type) } // NewReporter instantiates a new reporter that submits spans to the collector |