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Database & Data Management · head to head

Cassandra vs Hetzner Cloud

Cassandra logo

Cassandra

Database & Data Management

Manage massive amounts of data with linear scalability

From
Free
Rated
-
Full reviewWebsite
Hetzner Cloud logo

Hetzner Cloud

Database & Data Management

Affordable cloud servers in Europe

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Cassandra no support for joins across tables; Hetzner Cloud cost-Optimized plans are shown as currently unavailable
  • They diverge on capability: Cassandra covers Linear Scalability, Hetzner Cloud covers Cloud servers.

Where they differ

Only the attributes on which Cassandra and Hetzner Cloud actually diverge.

Attributes where Cassandra and Hetzner Cloud differ
AttributeCassandraHetzner Cloud
Pricing modelUnknownusage-based
PlatformsLinux, macOS, Windows, Docker, KubernetesWeb, Api, Cli
CategoryDatabase & Data ManagementUnknown
Founded20081997

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated).

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 Cassandra

  • Linear Scalability
  • Fault Tolerance
  • Multi-datacenter Replication
  • Tunable Consistency
  • CQL Query Language
  • Distributed Architecture
  • No Single Point of Failure
  • DataStax

Only in Hetzner Cloud

  • Cloud servers
  • Block storage
  • Object storage
  • Load balancers
  • Networks
  • Firewalls
  • Floating IPs
  • Backups

What people use each for

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

Cassandra

  • Real-time applicationsnot Hetzner Cloud
  • Content managementnot Hetzner Cloud
  • User profilesnot Hetzner Cloud
  • Mobile backendsnot Hetzner Cloud
  • Cachingnot Hetzner Cloud

Hetzner Cloud

  • Low-cost virtual servers for development and testingnot Cassandra
  • European hosting with data held in Germany or Finlandnot Cassandra
  • Workloads with heavy egress, where included traffic mattersnot Cassandra
  • Self-hosting applications away from the hyperscalersnot Cassandra

Where each one falls short

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

Cassandra

  • No support for joins across tables
  • No ACID transactions across multiple rows
  • Data model must be designed around query patterns upfront, making schema evolution difficult
  • Partition key misconfigurations can cause uneven data distribution and hotspots that degrade performance

Hetzner Cloud

  • Cost-Optimized plans are shown as currently unavailable
  • The shared-resource tiers are positioned for variable usage and development rather than sustained production workloads
  • Regions are limited to Germany, Finland, the United States and Singapore, so latency to other markets is a real constraint
  • The uptime guarantee is 99.9 percent, below what the large hyperscalers offer on comparable services
  • Support is 24/7 by email, without a phone channel

Pricing, plan by plan

Cassandra

Free

No published plan breakdown. See the Cassandra review.

Hetzner Cloud

Free
  • CX11$3.29/month
    • 1 vCPU
    • 1GB RAM
    • 25GB SSD
  • CX21$6.59/month
    • 2 vCPU
    • 4GB RAM
    • 40GB SSD

Which should you pick?

Choose Cassandra if

  • You need linear scalability.
  • You want to start without paying.
  • You work on Linux, macOS, Windows, Docker, Kubernetes.
  • You also want fault tolerance.
Cassandra review

Choose Hetzner Cloud if

  • You need cloud servers.
  • You want to start without paying.
  • You work on Web, Api, Cli.
  • You also want block storage.
Hetzner Cloud review

Questions people ask

Is Cassandra or Hetzner Cloud better?
Neither clearly leads. Cassandra starts at Free and Hetzner Cloud at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Cassandra or Hetzner Cloud?
Cassandra starts at Free and Hetzner Cloud at Free.
Does Cassandra or Hetzner Cloud run on more platforms?
Cassandra runs on Linux, macOS, Windows, Docker, Kubernetes. Hetzner Cloud runs on Web, Api, Cli.
Can I use Cassandra for free?
Both have a free tier, so you can try either at no cost before committing.
What is Cassandra best used for?
Cassandra is most often used for real-time applications, content management, user profiles, mobile backends. Of those, real-time applications and content management are not what Hetzner Cloud is typically brought in for.
What can Cassandra do that Hetzner Cloud cannot?
Cassandra covers Linear Scalability, Fault Tolerance, Multi-datacenter Replication, Tunable Consistency. Hetzner Cloud covers Cloud servers, Block storage, Object storage, Load balancers.

Answered from the vendors’ own pages

Cassandra: Does Cassandra support joins between tables?

No. Cassandra does not support joins or foreign keys. The data model requires denormalization, meaning data must be duplicated across tables to support different query patterns.

Source
Cassandra: Does Cassandra offer ACID transactions?

No. Cassandra provides only row-level atomicity and isolation, not full ACID transactions across multiple rows or tables. It uses lightweight transactions via Paxos for per-row compare-and-set operations.

Source
Cassandra: What programming languages can connect to Cassandra?

Cassandra supports official drivers for multiple languages including Python, Java, Node.js, and Go, allowing applications to communicate via the native Cassandra protocol.

Source
Cassandra: Can I deploy Cassandra in the cloud?

Yes. Cassandra can run on any cloud platform (AWS, Google Cloud, Azure) via Docker, virtual machines, or managed services like DataStax Astra DB, which provides a fully managed DBaaS option.

Source
Cassandra: Does Cassandra have a free option?

The open source Apache Cassandra is free. DataStax also offers Astra DB with a free tier providing up to 25GB storage and 25 million read/write operations per month.

Source
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