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Database & Data Management · head to head

Cassandra vs Elastic APM

Cassandra logo

Cassandra

Database & Data Management

Manage massive amounts of data with linear scalability

From
Free
Rated
-
Full reviewWebsite
Elastic APM logo

Elastic APM

Log Management

Application Performance Monitoring from Elastic

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Cassandra no support for joins across tables; Elastic APM pricing is not published on the product page; cost follows the underlying Elastic deployment rather than being quoted per host or per service
  • They diverge on capability: Cassandra covers Linear Scalability, Elastic APM covers Performance monitoring.

Where they differ

Only the attributes on which Cassandra and Elastic APM actually diverge.

Attributes where Cassandra and Elastic APM differ
AttributeCassandraElastic APM
Pricing modelUnknownopen-source
PlatformsLinux, macOS, Windows, Docker, KubernetesWeb, Api
CategoryDatabase & Data ManagementLog Management
Founded20082011

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 Elastic APM

  • Performance monitoring
  • Error tracking
  • Transaction tracing
  • Custom metrics
  • API
  • Webhooks
  • REST
  • Web support

What people use each for

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

Cassandra

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

Elastic APM

  • Distributed tracing across microservicesnot Cassandra
  • Auto-instrumenting Java, .NET, Python, Go, Node.js, Ruby, PHP and C++ servicesnot Cassandra
  • OpenTelemetry-native collection through the Elastic distributionsnot Cassandra
  • Correlating latency and errors with machine learningnot Cassandra
  • Monitoring LLM calls alongside application tracesnot 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

Elastic APM

  • Pricing is not published on the product page; cost follows the underlying Elastic deployment rather than being quoted per host or per service
  • Self-managed deployment means running and scaling Elasticsearch yourself
  • Serverless does not carry every capability the hosted option does

Pricing, plan by plan

Cassandra

Free

No published plan breakdown. See the Cassandra review.

Elastic APM

Free
  • FreeFree
    • Performance monitoring
    • Error tracking
    • Transaction tracing

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 Elastic APM if

  • You need performance monitoring.
  • You want to start without paying.
  • You work on Web, Api.
  • You also want error tracking.
Elastic APM review

Questions people ask

Is Cassandra or Elastic APM better?
Neither clearly leads. Cassandra starts at Free and Elastic APM at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Cassandra or Elastic APM?
Cassandra starts at Free and Elastic APM at Free.
Does Cassandra or Elastic APM run on more platforms?
Cassandra runs on Linux, macOS, Windows, Docker, Kubernetes. Elastic APM runs on Web, Api.
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 Elastic APM is typically brought in for.
What can Cassandra do that Elastic APM cannot?
Cassandra covers Linear Scalability, Fault Tolerance, Multi-datacenter Replication, Tunable Consistency. Elastic APM covers Performance monitoring, Error tracking, Transaction tracing, Custom metrics.

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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