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Updated docs with percentage information

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without this change the percentage value might have been set to over 1.0
with this change we explain what are the valid values and what are the reasons for keeping the value as it is

fixes #397
This commit is contained in:
Marcin Grzejszczak
2016-10-27 14:06:28 +02:00
parent 92cdb8817b
commit ec3a94b8c5
1 changed files with 3 additions and 1 deletions
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docs/src/main/asciidoc/spring-cloud-sleuth.adoc
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@@ -38,7 +38,9 @@ fixed fraction of spans.
NOTE: the `PercentageBasedSampler` is the default if you are using
`spring-cloud-sleuth-zipkin` or `spring-cloud-sleuth-stream`. You can
configure the exports using `spring.sleuth.sampler.percentage`.
configure the exports using `spring.sleuth.sampler.percentage`. The passed
value needs to be a double from `0.0` to `1.0` so it's not a percentage.
For backwards compatibility reasons we're not changing the property name.
A sampler can be installed just by creating a bean definition, e.g: