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Cloud · head to head

Zipkin vs K3s

Zipkin logo

Zipkin

Cloud

Distributed tracing system for microservice latency

From
Free
Rated
-
Full reviewWebsite
K3s logo

K3s

Cloud

Lightweight certified Kubernetes distribution in a single binary

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Zipkin less active development and smaller community momentum than Jaeger; K3s the SQLite default is single-server only; highly available control planes need etcd or an external datastore, which removes much of the simplicity
  • They diverge on capability: Zipkin covers Trace collection and search, K3s covers Single binary.

Where they differ

Only the attributes on which Zipkin and K3s actually diverge.

Attributes where Zipkin and K3s differ
AttributeZipkinK3s
PlatformsLinux, Docker, Kubernetes, Self-hostedLinux, ARM, Self-hosted

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 K3s

  • Single binary
  • SQLite by default
  • Certified conformant
  • Batteries included
  • Low resource footprint
  • Simple install

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 K3s
  • Java and Spring Boot estates, where instrumentation support is long-establishednot K3s
  • Small deployments where Jaeger is more than the problem requiresnot K3s

K3s

  • Kubernetes on edge sites and IoT hardware where full clusters will not fitnot Zipkin
  • Development and CI clusters that must start fast and cost nothingnot Zipkin
  • Small production clusters where full Kubernetes is more operations than the workload justifiesnot Zipkin
  • Teaching and learning Kubernetes without cloud spendnot 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

K3s

  • The SQLite default is single-server only; highly available control planes need etcd or an external datastore, which removes much of the simplicity
  • Bundled components such as Traefik are opinionated defaults that larger teams often strip out and replace
  • Removed in-tree cloud provider integrations mean cloud-specific features need external controllers
  • Aimed at small and edge clusters, so very large deployments are better served by a standard distribution

Pricing, plan by plan

Zipkin

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

K3s

Free
  • K3sFree
    • 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 K3s if

  • You need single binary.
  • You want to start without paying.
  • You work on Linux, ARM, Self-hosted.
  • You also want sqlite by default.
K3s review

Questions people ask

Is Zipkin or K3s better?
Neither clearly leads. Zipkin starts at Free and K3s at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Zipkin or K3s?
Zipkin starts at Free and K3s at Free.
Does Zipkin or K3s run on more platforms?
Zipkin runs on Linux, Docker, Kubernetes, Self-hosted. K3s runs on Linux, ARM, Self-hosted.
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 K3s is typically brought in for.
What can Zipkin do that K3s cannot?
Zipkin covers Trace collection and search, Dependency diagram, Simple deployment, Pluggable storage. K3s covers Single binary, SQLite by default, Certified conformant, Batteries included.

Answered from the vendors’ own pages

Zipkin: Is Zipkin free?

Yes, open source with no licence fee.

K3s: Is K3s free?

Yes. K3s is open source with no licence fee. SUSE sells commercial support around Rancher 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.

K3s: Is K3s real Kubernetes?

Yes. It is CNCF-certified conformant, so standard manifests, kubectl and Helm charts work without modification.

Zipkin: Does Zipkin work with OpenTelemetry?

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

K3s: Why is K3s smaller than Kubernetes?

It strips legacy, alpha and in-tree cloud provider code, packages everything as one binary, and defaults to SQLite instead of etcd.

K3s: Can K3s run in production?

Yes, and it does, particularly at the edge and for small clusters. For a highly available control plane you need to move off the SQLite default to etcd or an external datastore.

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