Metric model website documentation shows namespace as required

[jorgehermo9]

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Problem

In the metric model documentation the namespace field is depicted as required

But in the code, it is optional

vector/lib/vector-core/src/event/metric/series.rs

Line 99 in 3eecbe7

pub namespace: Option<String>,

and we can create non-namespaced metric's (as done in #21429 with the log_to_metric transform)

Is this a documentation bug or is it intended?

Configuration

No response

Version

vector 0.41.1 (x86_64-unknown-linux-gnu)

Debug Output

No response

Example Data

No response

Additional Context

No response

References

No response

[jszwedko]

Thanks @jorgehermo9 ! I think that is a documentation bug.