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Cloud · head to head

Longhorn vs Upstash

Longhorn logo

Longhorn

Cloud

Open source distributed block storage for Kubernetes, incubating at the CNCF

From
Free
Rated
-
Full reviewWebsite
Upstash logo

Upstash

Cloud

Serverless data for modern developers

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Longhorn there is no vendor and no SLA, so a production incident at three in the morning is your own problem unless you buy SUSE Rancher Prime support separately.; Upstash hTTP-based REST API only, no TCP connections means higher latency than self-hosted or connection-pooled Redis
  • They diverge on capability: Longhorn covers Per-volume controllers, Upstash covers Serverless Redis.
  • Prices and features above were last checked on 1 September 2026.

Where they differ

Only the attributes on which Longhorn and Upstash actually diverge.

Attributes where Longhorn and Upstash differ
AttributeLonghornUpstash
Pricing modelOpen source, no licence feeUnknown
PlatformsLinux, KubernetesREST API, Node.js, Python, Go, Rust, Vercel Edge, Cloudflare Workers, AWS Lambda
FoundedUnknown2020

Identical on both: starting price (Free), 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 Longhorn

  • Per-volume controllers
  • Synchronous replication
  • Snapshots and backups
  • Volume expansion
  • Disaster recovery volumes
  • Web interface

Only in Upstash

  • Serverless Redis
  • Serverless Kafka
  • QStash
  • Global Replication
  • REST API
  • Edge Functions Support
  • Rate Limiting
  • Caching

What people use each for

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

Longhorn

  • An on-premises Kubernetes cluster with local disks and no SAN that needs replicated persistent volumesnot Upstash
  • Edge sites where shipping a storage array is impractical and three nodes is the whole clusternot Upstash
  • A K3s deployment where the storage layer must be light enough to run alongside the workloadsnot Upstash
  • A team that wants snapshots and S3 backups of persistent volumes without paying per-node storage licencesnot Upstash

Upstash

  • Cachingnot Longhorn
  • Session storagenot Longhorn
  • Real-time messagingnot Longhorn
  • Rate limitingnot Longhorn
  • Serverless backendsnot Longhorn

Where each one falls short

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

Longhorn

  • There is no vendor and no SLA, so a production incident at three in the morning is your own problem unless you buy SUSE Rancher Prime support separately.
  • Synchronous replication across nodes means write latency depends on the slowest replica and the network between nodes, which makes it a poor fit for latency-sensitive databases.
  • Every replica is a full copy, so three-way replication consumes three times the raw capacity, unlike erasure-coded systems that are far more space efficient.
  • It is designed for block storage on modest clusters and does not scale to the node counts or throughput that Ceph or a commercial array handles, so growth eventually forces a migration.
  • Recovery from certain degraded states, such as a volume stuck detaching or replicas failing to rebuild, requires manual intervention and knowledge of Longhorn internals that is not widely held.

Upstash

  • HTTP-based REST API only, no TCP connections means higher latency than self-hosted or connection-pooled Redis
  • Rate limiting occurs when traffic exceeds configured budget cap or request limits
  • Kafka service discontinued in March 2025, requiring migration to Upstash Workflow or alternatives
  • Limited Redis feature support compared to self-hosted Redis or Redis Cloud
  • High-request-volume workloads can accumulate significant costs due to per-request pricing model

Pricing, plan by plan

Longhorn

Free
  • LonghornFree
    • Apache 2.0 licensed, no licence fee
    • Community support via GitHub and Slack only
    • No vendor SLA or escalation path

Upstash

Free
  • FreeFree
    • 256 MB data
    • 500K commands per month
    • 10 GB bandwidth
  • Pay-as-you-go$0.2/per 100K commands
    • Per-request billing
    • Storage at $0.25/GB
    • Unlimited commands
  • Fixed Plan$10/month
    • 250 MB Redis
    • Predictable pricing
    • Global replication available at higher tiers

Which should you pick?

Choose Longhorn if

  • You need per-volume controllers.
  • You want to start without paying.
  • You work on Linux, Kubernetes.
  • You also want synchronous replication.
Longhorn review

Choose Upstash if

  • You need serverless redis.
  • You want to start without paying.
  • You work on REST API, Node.js, Python, Go, Rust, Vercel Edge, Cloudflare Workers, AWS Lambda.
  • You also want serverless kafka.
Upstash review

Questions people ask

Is Longhorn or Upstash better?
Neither clearly leads. Longhorn starts at Free and Upstash at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Longhorn or Upstash?
Longhorn starts at Free and Upstash at Free.
Does Longhorn or Upstash run on more platforms?
Longhorn runs on Linux, Kubernetes. Upstash runs on REST API, Node.js, Python, Go, Rust, Vercel Edge, Cloudflare Workers, AWS Lambda.
Can I use Longhorn for free?
Both have a free tier, so you can try either at no cost before committing.
What is Longhorn best used for?
Longhorn is most often used for an on-premises kubernetes cluster with local disks and no san that needs replicated persistent volumes, edge sites where shipping a storage array is impractical and three nodes is the whole cluster, a k3s deployment where the storage layer must be light enough to run alongside the workloads, a team that wants snapshots and s3 backups of persistent volumes without paying per-node storage licences. Of those, an on-premises kubernetes cluster with local disks and no san that needs replicated persistent volumes and edge sites where shipping a storage array is impractical and three nodes is the whole cluster are not what Upstash is typically brought in for.
What can Longhorn do that Upstash cannot?
Longhorn covers Per-volume controllers, Synchronous replication, Snapshots and backups, Volume expansion. Upstash covers Serverless Redis, Serverless Kafka, QStash, Global Replication.

Answered from the vendors’ own pages

Longhorn: Who do we call when it breaks?

Nobody, unless you buy SUSE Rancher Prime, which includes commercial support for Longhorn. This is the decisive question for production use.

Upstash: Does Upstash have a free tier?

Yes. The free tier provides 256 MB of data and 500,000 commands per month with 10 GB of bandwidth in a single region, no credit card required.

Source
Longhorn: How much capacity does replication cost?

Full copies, so three replicas means three times the raw capacity. Budget accordingly rather than assuming erasure coding efficiency.

Upstash: How does Upstash work with edge platforms like Vercel and Cloudflare Workers?

Upstash uses a REST API instead of TCP connections, enabling it to work from Vercel Edge, Cloudflare Workers, and AWS Lambda without persistent connections or connection pooling.

Source
Longhorn: Is it suitable for production databases?

For modest workloads yes, but synchronous replication adds write latency and high-transaction databases usually want something faster.

Upstash: What programming languages are supported?

Upstash provides native SDKs for Python, Node.js, Go, and Rust. Java, C#, and PHP developers can use the REST API or community libraries.

Source
Upstash: Is Upstash Kafka still available?

No. Upstash Kafka was deprecated on September 11, 2024 and fully discontinued on March 11, 2025. Upstash Workflow is now recommended for durable serverless messaging and task queuing.

Source
Upstash: How is Upstash pricing structured?

Upstash uses per-request pricing at $0.20 per 100K commands for Redis, $0.25/GB for storage, and $0.40 per 100K requests for Vector database. Idle applications cost nothing.

Source
Upstash: Can Upstash be used with AWS Lambda?

Yes. Upstash works with AWS Lambda via its REST API, eliminating the need for connection pooling and making it ideal for stateless serverless functions.

Source
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