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Cloud & Infrastructure · head to head

Lambda (AWS Serverless) vs CouchDB

Lambda (AWS Serverless) logo

Lambda (AWS Serverless)

Cloud & Infrastructure

Run code without thinking about servers

From
Free
Rated
-
Full reviewWebsite
CouchDB logo

CouchDB

Database & Data Management

Seamless multi-master sync with Apache CouchDB

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Lambda (AWS Serverless) billed on two axes at once, $0.20 per million requests plus $0.0000166667 per GB-second of duration, so memory settings change the bill as much as traffic does; CouchDB append-only storage model may have performance implications for certain workloads with high update rates
  • They diverge on capability: Lambda (AWS Serverless) covers Function-as-a-Service, CouchDB covers Multi-master Replication.

Where they differ

Only the attributes on which Lambda (AWS Serverless) and CouchDB actually diverge.

Attributes where Lambda (AWS Serverless) and CouchDB differ
AttributeLambda (AWS Serverless)CouchDB
Pricing modelusage-basedopen-source
PlatformsWeb, ApiDocker, Windows (x64), macOS, Linux (Debian, Ubuntu, RHEL, CentOS), Raspberry Pi
CategoryCloud & InfrastructureDatabase & Data Management
Founded20141999

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 Lambda (AWS Serverless)

  • Function-as-a-Service
  • Event-driven execution
  • Auto-scaling
  • Pay-per-use
  • Multiple languages
  • Concurrency limits
  • Dead Letter Queues
  • Environment variables

Only in CouchDB

  • Multi-master Replication
  • HTTP/JSON API
  • MapReduce Views
  • ACID Semantics
  • Offline-first
  • Conflict Resolution
  • Fauxton UI
  • PouchDB

What people use each for

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

Lambda (AWS Serverless)

  • Event-driven functions without managing serversnot CouchDB
  • API backends behind API Gatewaynot CouchDB
  • Processing S3, DynamoDB, SQS and Kinesis eventsnot CouchDB
  • Scheduled jobs without a always-on instancenot CouchDB
  • Edge compute through Lambda@Edgenot CouchDB

CouchDB

  • Offline-first applications requiring seamless replication across mobile and server environmentsnot Lambda (AWS Serverless)
  • Multi-master deployments where data consistency eventually resolves across regionsnot Lambda (AWS Serverless)
  • IoT and edge computing scenarios with intermittent connectivitynot Lambda (AWS Serverless)

Where each one falls short

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

Lambda (AWS Serverless)

  • Billed on two axes at once, $0.20 per million requests plus $0.0000166667 per GB-second of duration, so memory settings change the bill as much as traffic does
  • Provisioned concurrency, used to avoid cold starts, is charged separately at $0.0000041667 per GB-second whether or not the function runs
  • Ephemeral storage beyond the included 512 MB is metered
  • Lambda@Edge costs $0.60 per million requests, three times the standard request rate
  • VPC use and cross-region data transfer carry EC2 charges on top

CouchDB

  • Append-only storage model may have performance implications for certain workloads with high update rates
  • Requires network synchronisation for cluster data consistency; can introduce latency in multi-master scenarios
  • No explicit support for complex joins; MapReduce queries may be inefficient compared to relational databases

Pricing, plan by plan

Lambda (AWS Serverless)

Free
  • Free TierFree
    • 1M free requests/month
    • 400,000 GB-seconds/month
    • Always free

CouchDB

Free

No published plan breakdown. See the CouchDB review.

Which should you pick?

Choose Lambda (AWS Serverless) if

  • You need function-as-a-service.
  • You want to start without paying.
  • You work on Web, Api.
  • You also want event-driven execution.
Lambda (AWS Serverless) review

Choose CouchDB if

  • You need multi-master replication.
  • You want to start without paying.
  • You work on Docker, Windows (x64), macOS, Linux (Debian, Ubuntu, RHEL, CentOS), Raspberry Pi.
  • You also want http/json api.
CouchDB review

Questions people ask

Is Lambda (AWS Serverless) or CouchDB better?
Neither clearly leads. Lambda (AWS Serverless) starts at Free and CouchDB at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Lambda (AWS Serverless) or CouchDB?
Lambda (AWS Serverless) starts at Free and CouchDB at Free.
Does Lambda (AWS Serverless) or CouchDB run on more platforms?
Lambda (AWS Serverless) runs on Web, Api. CouchDB runs on Docker, Windows (x64), macOS, Linux (Debian, Ubuntu, RHEL, CentOS), Raspberry Pi.
Can I use Lambda (AWS Serverless) for free?
Both have a free tier, so you can try either at no cost before committing.
What is Lambda (AWS Serverless) best used for?
Lambda (AWS Serverless) is most often used for event-driven functions without managing servers, api backends behind api gateway, processing s3, dynamodb, sqs and kinesis events, scheduled jobs without a always-on instance. Of those, event-driven functions without managing servers and api backends behind api gateway are not what CouchDB is typically brought in for.
What can Lambda (AWS Serverless) do that CouchDB cannot?
Lambda (AWS Serverless) covers Function-as-a-Service, Event-driven execution, Auto-scaling, Pay-per-use. CouchDB covers Multi-master Replication, HTTP/JSON API, MapReduce Views, ACID Semantics.
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