Supported Destinations

Destination	Supported	Docs	Comments
Apache Iceberg	Yes	Link
AWS S3	Yes	Link	Supports both plain-Parquet and Iceberg format writes; requires aws_access_key / IAM role.
Azure	Yes	Link
Google Cloud Storage	Yes	Link (Iceberg) Link (Parquet)	Any S3 protocol compliant object store can work with OLake
Local Filesystem	Yes	Link

Visit OLake roadmap for more information.

Before proceeding with either configuration, please ensure you have completed the getting started instructions. For more background details, refer to the README section.

Data Partitioning

While not directly configured in destination.json, data partitioning is an important aspect of how your data is organized when written to storage. For more details on partitioning strategies, please refer to:

• The AWS S3 partitioning documentation.
• The Apache Iceberg data partitioning documentation.

Schema Evolution and Data Type Mapping

Schema evolution is a critical feature that allows you to modify the structure of your data over time. OLake supports schema evolution, enabling you to add, remove, or change fields in your data schema without losing existing data. For more information on schema evolution and data type mapping, please refer to the following sections:

• Schema Evolution

If you have any further questions or need additional support, please refer to the getting started section or the OLake README.