open-telemetry/opentelemetry-php

implement probability-based sampler

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#1,217 opened on Jan 17, 2024

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good first issuehelp wantedmediumnice-to-have

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Description

Implement https://opentelemetry.io/docs/specs/otel/trace/tracestate-probability-sampling/#composition-rules - a probability-based sampler

Contributor guide

Research direction
Study the OpenTelemetry probability sampling specification and locate the sampling infrastructure in the codebase, particularly the Sampler interface and existing samplers. Implement the composition rules for tracestate probability sampling.
Tech stack
php
Domain
apiobservability
Issue type
Feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
Half day
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
PHPOpenTelemetry concepts
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
40