apache / polaris

Apache Polaris, the interoperable, open source catalog for Apache Iceberg
https://polaris.apache.org/
Apache License 2.0
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apache iceberg polaris

Apache Polaris (incubating)

Apache Polaris™ is an open-source, fully-featured catalog for Apache Iceberg™. It implements Iceberg's REST API, enabling seamless multi-engine interoperability across a wide range of platforms, including Apache Doris™, Apache Flink®, Apache Spark™, StarRocks, and Trino.

Documentation is available at https://polaris.apache.org, including Polaris management API doc and Apache Iceberg REST API doc.

Subscribe to the dev mailing list to join discussions via email or browse the archives. Check out the CONTRIBUTING guide for contribution guidelines.

Zulip Build Status

Building and Running

Apache Polaris is organized into the following modules:

Apache Polaris is built using Gradle with Java 21+ and Docker 27+.

Apache Polaris supports the following optional build options:

More build and run options

Running in Docker

Running in Kubernetes

Running regression tests

Building docs

License

Apache Polaris is under the Apache License Version 2.0. See the LICENSE.

ASF Incubator disclaimer

Apache Polaris™ is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.

Apache®, Apache Polaris™, Apache Iceberg™, Apache Spark™ are either registered trademarks or trademarks of the Apache Software Foundation in the United States and/or other countries.