Software · head to head
Elasticsearch Service vs Fluent Bit
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.
| Attribute | Elasticsearch Service | Fluent Bit |
|---|---|---|
| Pricing model | usage-based | open-source |
| Founded | 2011 | 2015 |
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.
Related pages
More on Elasticsearch Service
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