DataLane

All stacks · Ingestion & ELT

Fivetran

Managed ELT with schema drift handling and usage-based pricing.

Fivetran cover

About Fivetran

Fivetran is managed ELT: connectors that handle schema drift, incremental updates, and a monthly invoice tied to monthly active rows. It is the default “stop writing extractors” purchase in mid-size companies.

Cost and ownership are the production topics — MAR surprises, destination credit usage, and still needing dbt after the load.

What you'll learn here

  • MAR pricing and what actually increments the counter
  • Schema change handling and breaking dashboards
  • Destination write patterns and warehouse credit impact
  • When a custom extractor or Debezium is cheaper than another connector

Frequently asked questions

Is Fivetran cheaper than building it?

For long-tail SaaS APIs, almost always. For one Postgres CDC you already know how to run, Debezium + Connect can be cheaper at scale. Model the MAR and the engineer-hours, not the logo.

Does Fivetran do transforms?

Light transformations exist; they are not your metrics layer. Land raw/staging, model in dbt. Mixing business logic into the connector is how you cannot test grain.

What do I monitor besides “sync success”?

Row counts vs source, lag, and schema diffs. A successful sync of zero rows is a silent outage.

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