Floe¶

Floe is a policy-based table maintenance system for Apache Iceberg. It continuously assesses table health and automatically triggers maintenance operations based on configurable conditions.

Compact small files for better query performance
Expire old snapshots to reclaim storage
Remove orphan files not referenced by any snapshot
Optimize manifests for faster query planning

High Level Architecture

Quick Start¶

git clone https://github.com/nssalian/floe.git
cd floe
make start

Open http://localhost:9091

Documentation¶

Section	Description
Policies	Policy configuration guide and API reference
Configuration	Configure catalogs, engines, storage
Architecture	System design and extension points

Catalogs¶

Catalog	Description
REST	Iceberg REST Catalog
Nessie	Git-like versioning
Polaris	Multi-engine access control
Hive	Hive Metastore
Lakekeeper	Open-source Iceberg catalog
Gravitino	Unified metadata lake
DataHub	DataHub catalog integration

Engines¶

Engine	Description
Spark	Apache Spark (via Livy)
Trino	Trino SQL

API¶

API documentation (once service is up and running): Swagger UI