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Vitess vs Cassandra

Vitess logo

Vitess

Software

Scalable database clustering system for horizontal scaling of MySQL

From
Free
Rated
-
Full reviewWebsite
Cassandra logo

Cassandra

Software

Manage massive amounts of data with linear scalability

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Vitess vTGate scatter queries without sharding key incur significant performance penalties; Cassandra no support for joins across tables
  • They diverge on capability: Vitess covers Horizontal Sharding, Cassandra covers Linear Scalability.

Where they differ

Only the attributes on which Vitess and Cassandra actually diverge.

Attributes where Vitess and Cassandra differ
AttributeVitessCassandra
PlatformsLinux, macOS, Docker, KubernetesLinux, macOS, Windows, Docker, Kubernetes
Founded20102008

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

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 Vitess

  • Horizontal Sharding
  • Connection Pooling
  • Query Routing
  • Online Schema Changes
  • Shard Management
  • Replication Management
  • Automated Failover
  • MySQL

Only in Cassandra

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

Both cover

  • Linux support
  • Docker support

What people use each for

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

Vitess

  • Transaction processingnot Cassandra
  • Data storagenot Cassandra
  • Application backendnot Cassandra
  • Reportingnot Cassandra
  • Data analyticsnot Cassandra

Cassandra

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

Where each one falls short

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

Vitess

  • VTGate scatter queries without sharding key incur significant performance penalties
  • Foreign key constraints not enforced across shards, requiring application-level integrity handling
  • Single primary per keyspace limits multi-region write capabilities
  • Distributed transactions without proper sharding key routing suffer performance degradation

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

Pricing, plan by plan

Vitess

Free

No published plan breakdown. See the Vitess review.

Cassandra

Free

No published plan breakdown. See the Cassandra review.

Which should you pick?

Choose Vitess if

  • You need horizontal sharding.
  • You want to start without paying.
  • You work on Linux, macOS, Docker, Kubernetes.
  • You also want connection pooling.
Vitess review

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

Questions people ask

Is Vitess or Cassandra better?
Neither clearly leads. Vitess starts at Free and Cassandra at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Vitess or Cassandra?
Vitess starts at Free and Cassandra at Free.
Does Vitess or Cassandra run on more platforms?
Vitess runs on Linux, macOS, Docker, Kubernetes. Cassandra runs on Linux, macOS, Windows, Docker, Kubernetes.
Can I use Vitess for free?
Both have a free tier, so you can try either at no cost before committing.
What is Vitess best used for?
Vitess is most often used for transaction processing, data storage, application backend, reporting. Of those, transaction processing and data storage are not what Cassandra is typically brought in for.
What can Vitess do that Cassandra cannot?
Vitess covers Horizontal Sharding, Connection Pooling, Query Routing, Online Schema Changes. Cassandra covers Linear Scalability, Fault Tolerance, Multi-datacenter Replication, Tunable Consistency. Both handle Linux support, Docker support.

Answered from the vendors’ own pages

Vitess: Is Vitess free to use?

Yes. Vitess is completely free and open source under the Apache 2.0 license. It is a graduated CNCF project with no licensing costs or pricing tiers.

Source
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
Vitess: What databases does Vitess support?

Vitess supports MySQL and MariaDB as backend databases. It acts as a middleware layer that adds sharding and orchestration capabilities on top of these databases.

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
Vitess: Does Vitess require Kubernetes to run?

No. Vitess can run on Kubernetes using the Vitess Operator, but it can also be deployed on traditional infrastructure. Kubernetes integration is optional and provides additional automation benefits.

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
Vitess: How does Vitess handle cross-shard transactions?

Vitess supports distributed transactions across shards, but they require queries to be routed through the sharding key. Transactions without a proper sharding key can result in slower performance.

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
Vitess: Does Vitess enforce foreign key constraints?

Vitess does not enforce foreign key constraints across shards by default. Referential integrity must be managed at the application layer, though per-database support can be enabled with limitations.

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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