doc failure correction. parse float argument correction.

Signed-off-by: shayyxi <[email protected]>
thanos-io · May 1, 2023 · f251738 · f251738
1 parent 7c82858
commit f251738
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diff --git a/docs/tracing.md b/docs/tracing.md
@@ -97,6 +97,8 @@ config:
     key_file: ""
     server_name: ""
     insecure_skip_verify: false
+  sampler_name: ""
+  sampler_arg: ""
 ```
 
 ### Jaeger

diff --git a/pkg/tracing/otlp/otlp.go b/pkg/tracing/otlp/otlp.go
@@ -100,7 +100,7 @@ func buildSampler(samplerName string, samplerArg string) (tracesdk.Sampler, erro
 	case NeverSample:
 		return tracesdk.ParentBased(tracesdk.NeverSample()), nil
 	case RatioBasedSample:
-		arg, err := strconv.ParseFloat(samplerArg, 1)
+		arg, err := strconv.ParseFloat(samplerArg, 64)
 		if err != nil {
 			return tracesdk.ParentBased(tracesdk.TraceIDRatioBased(1.0)), err
 		}