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Gravitino overview |
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Copyright 2023 Datastrato Pvt Ltd. This software is licensed under the Apache License version 2. |
Gravitino is a high-performance, geo-distributed, and federated metadata lake. It manages the metadata directly in different sources, types, and regions. It also provides users with unified metadata access for data and AI assets.
You can get Gravitino from the GitHub release page, or you can build Gravitino from source code. See How to build Gravitino.
Gravitino runs on both Linux and macOS platforms, and it requires the installation of Java 8, Java 11, or Java 17. Gravitino trino-connector runs with
Trino, and requires Java 17. This should include JVMs on x86_64 and
ARM64. It's easy to run locally on one machine, all you need is to have java installed on
your system PATH, or the JAVA_HOME environment variable pointing to a Java installation.
See How to install Gravitino to learn how to install the Gravitino server.
Gravitino provides Docker images on Docker Hub. Pull the image and run it. For details of the Gravitino Docker image, see Docker image details.
Gravitino also provides a playground to experience the whole Gravitino system with other components. See the Gravitino playground repository and How to use the playground.
To get started with Gravitino, see Getting started for the details.
- Getting started locally: a quick guide to starting and using Gravitino locally.
- Running on Amazon Web Services: a quick guide to starting and using Gravitino on AWS.
- Running on Google Cloud Platform: a quick guide to starting and using Gravitino on GCP.
Gravitino provides two SDKs to manage metadata from different catalogs in a unified way: the REST API and the Java SDK. You can use either to manage metadata. See
- Manage metalake using Gravitino to learn how to manage metalakes.
- Manage relational metadata using Gravitino to learn how to manage relational metadata.
- Manage fileset metadata using Gravitino to learn how to manage fileset metadata.
Also, you can find the complete REST API definition in Gravitino Open API, and the Java SDK definition in Gravitino Javadoc.
Gravitino provides a web UI to manage the metadata. Visit the web UI in the browser via http://<ip-address>:8090. See Gravitino web UI for details.
Gravitino currently supports the following catalogs:
Relational catalogs:
Fileset catalogs:
Gravitino also provides an Iceberg REST catalog service for the Iceberg table format. See the Iceberg REST catalog service for details.
To experience Gravitino with other components easily, Gravitino provides a playground to run. It integrates Apache Hadoop, Apache Hive, Trino, MySQL, PostgreSQL, and Gravitino together as a complete environment. To experience all the features, see Getting started and How to use the Gravitino playground.
- Install Gravitino playground on AWS or GCP: a quick guide to starting and using the Gravitino playground on AWS or GCP.
- Install Gravitino playground locally: a quick guide to starting and using the Gravitino playground locally.
- How to use the Gravitino playground: provides an example of how to use Gravitino and other components together.
Gravitino supports different catalogs to manage the metadata in different sources. Please see:
- Iceberg catalog: a complete guide to using Gravitino to manage Apache Iceberg data.
- Iceberg REST catalog service: a complete guide to using Gravitino as an Apache Iceberg REST catalog service.
- Hive catalog: a complete guide to using Gravitino to manage Apache Hive data.
- MySQL catalog: a complete guide to using Gravitino to manage MySQL data.
- PostgreSQL catalog: a complete guide to using Gravitino to manage PostgreSQL data.
- Hadoop catalog: a complete guide to using Gravitino to manage fileset using Hadoop Compatible File System (HCFS).
Gravitino provides a Trino connector to manage Trino metadata in a unified way. To use the Trino connector, see:
- How to use Gravitino Trino connector: a complete guide to using the Gravitino Trino connector.
Gravitino provides several ways to configure and manage the Gravitino server. See:
- Security: provides security configurations for Gravitino, including HTTPS and OAuth2 configurations.
- Gravitino metrics: provides metrics configurations and detailed a metrics list of the Gravitino server.
- Gravitino Open API: provides the complete Open API definition of Gravitino.
- Gravitino Javadoc: provides the Javadoc for the Gravitino API.
- How to build Gravitino: a complete guide to building Gravitino from source.
- How to test Gravitino: a complete guide to running Gravitino unit and integration tests.
- How to sign and verify Gravitino releases: a guide to signing and verifying a Gravitino release.
- Publish Docker images: a guide to publishing Gravitino Docker images; also lists the change logs of Gravitino CI Docker images and release images.