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Dynatrace Logs vs Fluentd

Dynatrace Logs logo

Dynatrace Logs

Software

Intelligent Log Analytics and Management

From
Free
Rated
-
Full reviewWebsite
Fluentd logo

Fluentd

Software

Open Source Data Collector for Unified Logging

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Dynatrace Logs log ingest and processing is billed at $0.20 per GiB, separately from retention and from query; Fluentd fluentd needs more than 60 MB of memory at runtime, against roughly 450 KB for Fluent Bit
  • They diverge on capability: Dynatrace Logs covers Log analysis, Fluentd covers Log collection.

Where they differ

Only the attributes on which Dynatrace Logs and Fluentd actually diverge.

Attributes where Dynatrace Logs and Fluentd differ
AttributeDynatrace LogsFluentd
Pricing modelsubscriptionopen-source
Founded20052011

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 Logs

  • Log analysis
  • AI-powered insights
  • Metrics integration
  • Automated root cause

Only in Fluentd

  • Log collection
  • Data parsing
  • Filtering and buffering
  • Event routing

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 Logs

  • Ingesting and processing application and infrastructure logsnot Fluentd
  • Querying logs alongside traces and metrics in one platformnot Fluentd
  • Log driven alerting within an existing Dynatrace deploymentnot Fluentd

Fluentd

  • Unified log collection and routing from many sources to many destinationsnot Dynatrace Logs
  • Parsing and transforming log records before forwardingnot Dynatrace Logs
  • Aggregating logs from containers into Elasticsearch, S3 or a SIEMnot Dynatrace Logs

Where each one falls short

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

Dynatrace Logs

  • Log ingest and processing is billed at $0.20 per GiB, separately from retention and from query
  • Querying logs is charged in addition to ingest, either pay per query or as bundled queries
  • Log analytics requires the same annual platform commitment as the rest of the Dynatrace platform

Fluentd

  • Fluentd needs more than 60 MB of memory at runtime, against roughly 450 KB for Fluent Bit
  • Fluentd is built as a Ruby gem and depends on other gems, so a Ruby runtime is required
  • Its capability comes from over 1,000 external plugins rather than built in functionality, so each added input or output is a separate dependency
  • The Fluent Bit documentation states that cloud providers have switched from Fluentd to Fluent Bit for performance and compatibility and calls Fluent Bit the next generation solution

Pricing, plan by plan

Dynatrace Logs

Free
  • FreeFree
    • Log analysis
    • AI-powered insights
    • Metrics integration

Fluentd

Free
  • FreeFree
    • Log collection
    • Data parsing
    • Filtering and buffering

Which should you pick?

Choose Dynatrace Logs if

  • You need log analysis.
  • You want to start without paying.
  • You work on Web, Api.
  • You also want ai-powered insights.
Dynatrace Logs review

Choose Fluentd if

  • You need log collection.
  • You want to start without paying.
  • You work on Web, Api.
  • You also want data parsing.
Fluentd review

Questions people ask

Is Dynatrace Logs or Fluentd better?
Neither clearly leads. Dynatrace Logs starts at Free and Fluentd at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Dynatrace Logs or Fluentd?
Dynatrace Logs starts at Free and Fluentd at Free.
Does Dynatrace Logs or Fluentd run on more platforms?
Both run on Web, Api, so platform support will not decide this one for you.
Can I use Dynatrace Logs for free?
Both have a free tier, so you can try either at no cost before committing.
What is Dynatrace Logs best used for?
Dynatrace Logs is most often used for ingesting and processing application and infrastructure logs, querying logs alongside traces and metrics in one platform, log driven alerting within an existing dynatrace deployment. Of those, ingesting and processing application and infrastructure logs and querying logs alongside traces and metrics in one platform are not what Fluentd is typically brought in for.
What can Dynatrace Logs do that Fluentd cannot?
Dynatrace Logs covers Log analysis, AI-powered insights, Metrics integration, Automated root cause. Fluentd covers Log collection, Data parsing, Filtering and buffering, Event routing. Both handle API, Webhooks, REST, Web support.
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