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Cloud · head to head

Zipkin vs Linkerd

Zipkin logo

Zipkin

Cloud

Distributed tracing system for microservice latency

From
Free
Rated
-
Full reviewWebsite
Linkerd logo

Linkerd

Cloud

Lightweight service mesh for Kubernetes

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Zipkin less active development and smaller community momentum than Jaeger; Linkerd deliberately fewer features than Istio, so complex routing and multi-cluster policy can hit its limits
  • They diverge on capability: Zipkin covers Trace collection and search, Linkerd covers Automatic mutual TLS.

Where they differ

Only the attributes on which Zipkin and Linkerd actually diverge.

Attributes where Zipkin and Linkerd differ
AttributeZipkinLinkerd
PlatformsLinux, Docker, Kubernetes, Self-hostedKubernetes, Linux

Identical on both: starting price (Free), pricing model (Open source, no licence fee), free tier (Yes), user rating (Not yet rated), category (Cloud).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Zipkin

  • Trace collection and search
  • Dependency diagram
  • Simple deployment
  • Pluggable storage

Only in Linkerd

  • Automatic mutual TLS
  • Golden metrics
  • Rust micro-proxy
  • Traffic policy

What people use each for

The jobs each tool is most often brought in to do.

Zipkin

  • Adding distributed tracing quickly without standing up heavy infrastructurenot Linkerd
  • Java and Spring Boot estates, where instrumentation support is long-establishednot Linkerd
  • Small deployments where Jaeger is more than the problem requiresnot Linkerd

Linkerd

  • Adding mutual TLS between services to satisfy a compliance requirementnot Zipkin
  • Getting per-service latency and success rates without instrumenting applicationsnot Zipkin
  • Progressive delivery with traffic splitting during rolloutsnot Zipkin

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Zipkin

  • Less active development and smaller community momentum than Jaeger
  • Fewer features: sampling, storage options and UI are all more limited
  • The interface is dated and slower to work with on large trace volumes
  • Tracing alone still leaves metrics and logs in separate tools during an incident

Linkerd

  • Deliberately fewer features than Istio, so complex routing and multi-cluster policy can hit its limits
  • Kubernetes only, with no story for workloads outside a cluster
  • A sidecar per pod is still real memory and latency overhead, however small, and a mesh is another layer to debug during incidents

Pricing, plan by plan

Zipkin

Free
  • ZipkinFree
    • Full functionality
    • No usage limits
    • Community support

Linkerd

Free
  • LinkerdFree
    • Full functionality
    • No usage limits
    • Community support

Which should you pick?

Choose Zipkin if

  • You need trace collection and search.
  • You want to start without paying.
  • You work on Linux, Docker, Kubernetes, Self-hosted.
  • You also want dependency diagram.
Zipkin review

Choose Linkerd if

  • You need automatic mutual tls.
  • You want to start without paying.
  • You work on Kubernetes, Linux.
  • You also want golden metrics.
Linkerd review

Questions people ask

Is Zipkin or Linkerd better?
Neither clearly leads. Zipkin starts at Free and Linkerd at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Zipkin or Linkerd?
Zipkin starts at Free and Linkerd at Free.
Does Zipkin or Linkerd run on more platforms?
Zipkin runs on Linux, Docker, Kubernetes, Self-hosted. Linkerd runs on Kubernetes, Linux.
Can I use Zipkin for free?
Both have a free tier, so you can try either at no cost before committing.
What is Zipkin best used for?
Zipkin is most often used for adding distributed tracing quickly without standing up heavy infrastructure, java and spring boot estates, where instrumentation support is long-established, small deployments where jaeger is more than the problem requires. Of those, adding distributed tracing quickly without standing up heavy infrastructure and java and spring boot estates, where instrumentation support is long-established are not what Linkerd is typically brought in for.
What can Zipkin do that Linkerd cannot?
Zipkin covers Trace collection and search, Dependency diagram, Simple deployment, Pluggable storage. Linkerd covers Automatic mutual TLS, Golden metrics, Rust micro-proxy, Traffic policy.

Answered from the vendors’ own pages

Zipkin: Is Zipkin free?

Yes, open source with no licence fee.

Linkerd: Is Linkerd free?

The open-source project is free. Buoyant, its maintainer, sells enterprise distributions and support separately.

Zipkin: Zipkin or Jaeger?

Jaeger has more momentum, more features and CNCF backing. Zipkin is lighter and quicker to stand up, and remains well supported in the Java and Spring ecosystem.

Linkerd: Linkerd or Istio?

Linkerd trades features for simplicity, with a smaller proxy and far less configuration. Istio is more capable and correspondingly more work to run.

Zipkin: Does Zipkin work with OpenTelemetry?

Yes. OpenTelemetry can export to Zipkin, which is now the usual way to instrument for it.

Linkerd: Do I need a service mesh at all?

Only if you need mutual TLS, uniform retries or per-service traffic metrics across many services. For a handful of services it is usually more machinery than the problem justifies.

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