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Software · head to head

Elasticsearch Service vs Fluent Bit

Elasticsearch Service logo

Elasticsearch Service

Software

Managed Elasticsearch Cloud Service

From
Free
Rated
-
Fluent Bit logo

Fluent Bit

Software

Fast and Lightweight Log Processor

From
Free
Rated
-

The short version

  • Each has a real cost: Elasticsearch Service the 99.95 percent monthly uptime SLA applies only to the Platinum and Enterprise subscription tiers; 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: Elasticsearch Service covers Full-text search, Fluent Bit covers Log collection.

Where they differ

Only the attributes on which Elasticsearch Service and Fluent Bit actually diverge.

Attributes where Elasticsearch Service and Fluent Bit differ
AttributeElasticsearch ServiceFluent Bit
Pricing modelusage-basedopen-source
Founded20112015

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 Elasticsearch Service

  • Full-text search
  • Scalability
  • High availability
  • Security

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.

Elasticsearch Service

  • Managed Elasticsearch without running the clusternot Fluent Bit
  • Log and observability data storage and searchnot Fluent Bit
  • Full-text search behind an applicationnot Fluent Bit
  • Deployments needing a specific cloud region across AWS, Azure or GCPnot Fluent Bit

Fluent Bit

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

Where each one falls short

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

Elasticsearch Service

  • The 99.95 percent monthly uptime SLA applies only to the Platinum and Enterprise subscription tiers
  • Serverless does not yet support traffic filtering, cross-project search or bring-your-own-key encryption
  • Serverless runs on AWS, GCP and Azure only, against 60 regions for the hosted option
  • Per-unit prices are not published; hosted is resource-based and serverless usage-based

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

Elasticsearch Service

Free
  • FreeFree
    • Full-text search
    • Scalability
    • High availability

Fluent Bit

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

Which should you pick?

Choose Elasticsearch Service if

  • You need full-text search.
  • You want to start without paying.
  • You work on Web, Api.
  • You also want scalability.

Choose Fluent Bit if

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

Questions people ask

Is Elasticsearch Service or Fluent Bit better?
Neither clearly leads. Elasticsearch Service 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, Elasticsearch Service or Fluent Bit?
Elasticsearch Service starts at Free and Fluent Bit at Free.
Does Elasticsearch Service 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 Elasticsearch Service for free?
Both have a free tier, so you can try either at no cost before committing.
What is Elasticsearch Service best used for?
Elasticsearch Service is most often used for managed elasticsearch without running the cluster, log and observability data storage and search, full-text search behind an application, deployments needing a specific cloud region across aws, azure or gcp. Of those, managed elasticsearch without running the cluster and log and observability data storage and search are not what Fluent Bit is typically brought in for.
What can Elasticsearch Service do that Fluent Bit cannot?
Elasticsearch Service covers Full-text search, Scalability, High availability, Security. Fluent Bit covers Log collection, Lightweight processing, Data parsing, Event filtering. Both handle API, Webhooks, REST, Web support.

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