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Change the default sampler to ParentOrElse(AlwaysOn) #750

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Merged
yurishkuro merged 3 commits into from
Jul 29, 2020
Merged

Change the default sampler to ParentOrElse(AlwaysOn) #750

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458a0d5
Change the default sampler to ParentOrElse(AlwaysOn)
MitchellDumovic Jul 28, 2020
7027ac0
addressed some review comments
MitchellDumovic Jul 28, 2020
9e60095
more review feedback
MitchellDumovic Jul 28, 2020
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5 changes: 3 additions & 2 deletions specification/trace/sdk.md
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Expand Up @@ -49,7 +49,7 @@ The SDK defines the interface [`Sampler`](#sampler) as well as a set of

### Sampler

`Sampler` interface allows to create custom samplers which will return a
`Sampler` interface allows users to create custom samplers which will return a
sampling `SamplingResult` based on information that is typically available just
before the `Span` was created.

Expand Down Expand Up @@ -94,10 +94,11 @@ be displayed on debug pages or in the logs. Example:
Description MUST NOT change over time and caller can cache the returned value.

### Built-in samplers
OpenTelemetry supports a number of built-in samplers to choose from.
The default sampler is `ParentOrElse(AlwaysOn)`.

#### AlwaysOn

* This is the default sampler.
* Returns `RECORD_AND_SAMPLED` always.
* Description MUST be `AlwaysOnSampler`.

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