logs: Document Flags mapping in Google Cloud logs appendix #3629
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Changes
GCP logging exporters should support the IsSampled flag, for example GoogleCloudPlatform/opentelemetry-operations-go#690 adds this support.
Currently, this is supported by the
gcp.trace_sampled
attribute (by way of our mapping for "All other fields" to a matchinggcp.*
attribute).Therefore, in the spec this is a breaking change (from
gcp.trace_sampled
toFlags
), but implementations can continue to support the attribute for backward-compatibility.CHANGELOG.md
file updated for non-trivial changesspec-compliance-matrix.md
updated if necessary