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Exempt resources from attribute limits #1892

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Sep 22, 2021
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Merged

Exempt resources from attribute limits #1892

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Exempt resources from attribute limits
owais Aug 27, 2021
119b0b3
Merge branch 'main' into exempt-resource-from-limits
owais Sep 18, 2021
3ef301a
Merge branch 'main' into exempt-resource-from-limits
tigrannajaryan Sep 21, 2021
e7c9fb9
Merge branch 'main' into exempt-resource-from-limits
tigrannajaryan Sep 22, 2021
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3 changes: 3 additions & 0 deletions CHANGELOG.md
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Expand Up @@ -33,6 +33,9 @@ release.

### Resource

- Exempt Resource from attribute limits.
([#1892](https://github.com/open-telemetry/opentelemetry-specification/pull/1892))

### Semantic Conventions

- BREAKING: Change enum member IDs to lowercase without spaces, not starting with numbers.
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8 changes: 8 additions & 0 deletions specification/common/common.md
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Expand Up @@ -90,6 +90,14 @@ followed by the global limit default value.

#### Exempt Entities

Resource attributes SHOULD be exempt from the limits described above as resources
are not susceptible to the scenarios (auto-instrumentation) that result in
excessive attributes count or size. Resources are also sent only once per batch
instead of per span so it is relatively cheaper to have more/larger attributes
on them. Resources are also immutable by design and they are generally passed
down to TracerProvider along with limits. This makes it awkward to implement
attribute limits for Resources.

Attributes, which belong to Metrics, are exempt from the limits described above
at this time, as discussed in
[Metrics Attribute Limits](../metrics/sdk.md#attribute-limits).