[router][common] Multiple fixes in Opentelemetry#1483

Merged

m-nagarajan merged 11 commits intolinkedin:mainfrom m-nagarajan:otelImprovements

Feb 11, 2025

+416-463

Commits on Jan 28, 2025

1. Add export interval config for otel metrics export with 60 secs as default
m-nagarajan
committed
make MetricEntityState 1 otel instrument : 1 tehuti sensor
m-nagarajan
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Fix unit test failures due to missing return for mock
m-nagarajan
committed

Commits on Feb 8, 2025

add javadoc for new otel metrics and updated desc
m-nagarajan
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revert recording key num for single get pending optimization for attribute generation
m-nagarajan
committed

Commits on Feb 11, 2025

revert and cleanup the incoming request/key count changes
m-nagarajan
committed