feat(otlp): support OTEL_EXPORTER_OTLP_METRICS_TEMPORALITY_PREFERENCE#3351
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cijothomas merged 3 commits intoopen-telemetry:mainfrom Feb 17, 2026
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feat(otlp): support OTEL_EXPORTER_OTLP_METRICS_TEMPORALITY_PREFERENCE#3351cijothomas merged 3 commits intoopen-telemetry:mainfrom
cijothomas merged 3 commits intoopen-telemetry:mainfrom
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| ## vNext | ||
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| - Add support for `OTEL_EXPORTER_OTLP_METRICS_TEMPORALITY_PREFERENCE` environment variable |
cijothomas
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Looks good. Left few minor nits - could you address them so I can approve and merge.
… env var Add support for the OTEL_EXPORTER_OTLP_METRICS_TEMPORALITY_PREFERENCE environment variable per the OTLP Metrics Exporter spec. Accepted values (case-insensitive): cumulative (default), delta, lowmemory. Programmatic .with_temporality() takes priority over the env var. - Add FromStr impl for Temporality in opentelemetry-sdk - Add resolve_temporality() in opentelemetry-otlp to resolve from builder config, env var, or default - Update MetricExporterBuilder to use Option<Temporality> and resolve at build time Signed-off-by: Adrian Cole <[email protected]>
Signed-off-by: Adrian Cole <[email protected]>
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I think I got it. thanks for the quick feedback! |
Signed-off-by: Adrian Cole <[email protected]>
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Relates to #3283, #3061
Changes
Add support for
OTEL_EXPORTER_OTLP_METRICS_TEMPORALITY_PREFERENCEenvironment variableper the OTLP Metrics Exporter spec.
This env var is supported by Go, Python, .NET, JS, PHP, and Ruby SDKs but was missing
from the Rust SDK, requiring users to manually parse it.
Accepted values (case-insensitive):
cumulative(default),delta,lowmemory.Programmatic
.with_temporality()takes priority over the env var.FromStrimpl forTemporalityinopentelemetry-sdkOTEL_EXPORTER_OTLP_METRICS_TEMPORALITY_PREFERENCEconstant andresolve_temporality()inopentelemetry-otlpMetricExporterBuilderresolves temporality from env when not set programmaticallyExporterBuildError::InvalidConfigvariant for invalid env var valuesMerge requirement checklist
CHANGELOG.mdfiles updated for non-trivial, user-facing changes