jaegertracing/jaeger

Storage backends for adaptive sampling

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#3,305 opened on Oct 5, 2021

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help wanted

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Description

Since v1.27 adaptive sampling is supported in the backend, but it only works with Cassandra as the backing store. We need to implement it for other types of stores, e.g.

  • memory-only (for all-in-one) #3335
  • Badger #4834
  • Elasticsearch #5158
  • OpenSearch
  • gRPC remote storage
  • Documentation once all of the above are done

Contributor guide

Research direction
Examine the adaptive sampling implementations for Cassandra, Badger, Elasticsearch, and OpenSearch. Understand the gRPC remote storage interface and adapt the adaptive sampling logic to work with it. Focus on how sampling rates are stored and retrieved via gRPC.
Tech stack
gogrpc
Domain
backenddatabase
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.
1-2 days
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
GogRPC
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
50