[v2.2-dd] Cherry picks#20
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* [tracing] Create NameSampler Simple sampler that samples every span having a certain name. It's best used in conjunction with the ParentBased sampler so that the child spans are also sampled. * [tracing] Configure otlp plugin to use NameSampler Allow the plugin to use the custom NameSampler if specified in the usual env vars used to specify the sampler `OTEL_TRACES_SAMPLER` and `OTEL_TRACES_SAMPLER_ARG`. This sampler will allow to avoid emitting a lot of the noisy traces to only keep a subset of meaningful traces.
Co-authored-by: Justin Bera <justin.bera@datadoghq.com>
richardsamuels
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Apr 3, 2026
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Similar to #17
This PR cherry-picks to the 2.2 release the following PR's that are not found upstream:
Looking at release/2.1...v2.1-dd the only other change we had was #18 but that's been merged upstream and is included in 2.2 via containerd#12304