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Dynatrace vs Fluent Bit

Dynatrace logo

Dynatrace

Software

Application Performance Management and Observability

From
Free
Rated
-
Full reviewWebsite
Fluent Bit logo

Fluent Bit

Software

Fast and Lightweight Log Processor

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Dynatrace pricing is commitment based: rates require an annual platform level commitment rather than month to month purchase; Fluent Bit fluent Bit ships over 100 built in plugins against more than 1,000 external plugins available for Fluentd, so fewer integrations exist out of the box
  • They diverge on capability: Dynatrace covers AI-powered analytics, Fluent Bit covers Log collection.

Where they differ

Only the attributes on which Dynatrace and Fluent Bit actually diverge.

Attributes where Dynatrace and Fluent Bit differ
AttributeDynatraceFluent Bit
Pricing modelsubscriptionopen-source
Founded20052015

Identical on both: starting price (Free), free tier (Yes), platforms (Web, Api), 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 Dynatrace

  • AI-powered analytics
  • APM
  • Infrastructure monitoring
  • Log analysis

Only in Fluent Bit

  • Log collection
  • Lightweight processing
  • Data parsing
  • Event filtering

Both cover

  • API
  • Webhooks
  • REST
  • Web support
  • Api support

What people use each for

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

Dynatrace

  • Full stack application performance monitoring with automatic dependency discoverynot Fluent Bit
  • Kubernetes and container platform observability priced per podnot Fluent Bit
  • Log ingest, processing and query analyticsnot Fluent Bit
  • Real user monitoring and session replay for web applicationsnot Fluent Bit

Fluent Bit

  • Lightweight log and metric forwarding from containers and edge devicesnot Dynatrace
  • Kubernetes node level log collection with a small memory footprintnot Dynatrace
  • Filtering and enriching telemetry before shipping it to a backendnot Dynatrace

Where each one falls short

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

Dynatrace

  • Pricing is commitment based: rates require an annual platform level commitment rather than month to month purchase
  • Full-Stack Monitoring is priced at $58 per month per 8 GiB of host memory, so a 64 GiB host counts as eight units
  • Infrastructure Monitoring at $29 per host per month excludes code level tracing, which requires Full-Stack
  • Session Replay doubles Real User Monitoring cost from $2.25 to $4.50 per 1,000 sessions
  • Runtime Vulnerability Analytics and Runtime Application Protection are each charged separately at $13 per month per 8 GiB host on top of monitoring

Fluent Bit

  • Fluent Bit ships over 100 built in plugins against more than 1,000 external plugins available for Fluentd, so fewer integrations exist out of the box
  • It is written in C, so extending it beyond the built in plugins means writing C rather than Ruby
  • Dependencies are zero only until a plugin requires one

Pricing, plan by plan

Dynatrace

Free
  • FreeFree
    • AI-powered analytics
    • APM
    • Infrastructure monitoring

Fluent Bit

Free
  • FreeFree
    • Log collection
    • Lightweight processing
    • Data parsing

Which should you pick?

Choose Dynatrace if

  • You need ai-powered analytics.
  • You want to start without paying.
  • You work on Web, Api.
  • You also want apm.
Dynatrace review

Choose Fluent Bit if

  • You need log collection.
  • You want to start without paying.
  • You work on Web, Api.
  • You also want lightweight processing.
Fluent Bit review

Questions people ask

Is Dynatrace or Fluent Bit better?
Neither clearly leads. Dynatrace starts at Free and Fluent Bit at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Dynatrace or Fluent Bit?
Dynatrace starts at Free and Fluent Bit at Free.
Does Dynatrace or Fluent Bit run on more platforms?
Both run on Web, Api, so platform support will not decide this one for you.
Can I use Dynatrace for free?
Both have a free tier, so you can try either at no cost before committing.
What is Dynatrace best used for?
Dynatrace is most often used for full stack application performance monitoring with automatic dependency discovery, kubernetes and container platform observability priced per pod, log ingest, processing and query analytics, real user monitoring and session replay for web applications. Of those, full stack application performance monitoring with automatic dependency discovery and kubernetes and container platform observability priced per pod are not what Fluent Bit is typically brought in for.
What can Dynatrace do that Fluent Bit cannot?
Dynatrace covers AI-powered analytics, APM, Infrastructure monitoring, Log analysis. Fluent Bit covers Log collection, Lightweight processing, Data parsing, Event filtering. Both handle API, Webhooks, REST, Web support.
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