Harshit Rajput

Limit prometheus exemplar labels

3

Changes done: 1. create exemplar's labels object before creating the exemplar object. (deduplicated some code there) 2. calculate labels length or runes. 3. compare label runes with the hardcoded max...

Expose metric for log export failure #6709

3

Ran in local, otel collector log shows the metric as following: ``` ScopeMetrics #1 ScopeMetrics SchemaURL: InstrumentationScope io.opentelemetry.sdk.logs ... Metric #2 Descriptor: -> Name: logsExportFailure -> Description: Logs export failure...