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Raise exemplar labels limit from 64 to 128 #1091

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merged 1 commit into from Jul 19, 2022

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bboreham
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In line with the OpenMetrics spec:

The combined length of the label names and values of an Exemplar's LabelSet MUST NOT exceed 128 UTF-8 character code points

https://github.com/OpenObservability/OpenMetrics/blob/98ae26c87b/specification/OpenMetrics.md#exemplars

I suspect this number changed since the discussion in #706, but I can't see that change in the git history of the spec.

In line with the OpenMetrics spec:
"The combined length of the label names and values of an Exemplar's
LabelSet MUST NOT exceed 128 UTF-8 character code points"

https://github.com/OpenObservability/OpenMetrics/blob/98ae26c87b/specification/OpenMetrics.md#exemplars

Signed-off-by: Bryan Boreham <bjboreham@gmail.com>
@kakkoyun
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@beorn7 Do you have any comments on this?

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beorn7 commented Jul 19, 2022

This looks fine.

@kakkoyun kakkoyun requested a review from bwplotka July 19, 2022 14:50
@kakkoyun kakkoyun merged commit ba4a543 into prometheus:main Jul 19, 2022
@bwplotka
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Thanks!

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4 participants