{"id":19888945,"url":"https://github.com/paypal/dione","last_synced_at":"2025-09-25T22:22:49.839Z","repository":{"id":42189337,"uuid":"388145869","full_name":"paypal/dione","owner":"paypal","description":"Dione - a Spark and HDFS indexing library","archived":false,"fork":false,"pushed_at":"2024-03-21T11:00:39.000Z","size":252,"stargazers_count":50,"open_issues_count":24,"forks_count":22,"subscribers_count":8,"default_branch":"main","last_synced_at":"2024-04-13T19:26:47.199Z","etag":null,"topics":[],"latest_commit_sha":null,"homepage":"","language":"Scala","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":"apache-2.0","status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/paypal.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":"LICENSE","code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null,"governance":null,"roadmap":null,"authors":null,"dei":null}},"created_at":"2021-07-21T14:35:54.000Z","updated_at":"2024-01-04T16:59:35.000Z","dependencies_parsed_at":"2024-03-19T14:53:02.065Z","dependency_job_id":null,"html_url":"https://github.com/paypal/dione","commit_stats":null,"previous_names":[],"tags_count":8,"template":false,"template_full_name":null,"repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/paypal%2Fdione","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/paypal%2Fdione/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/paypal%2Fdione/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/paypal%2Fdione/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/paypal","download_url":"https://codeload.github.com/paypal/dione/tar.gz/refs/heads/main","host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":224324456,"owners_count":17292521,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2022-07-04T15:15:14.044Z","host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":[],"created_at":"2024-11-12T18:08:42.733Z","updated_at":"2025-09-25T22:22:44.797Z","avatar_url":"https://github.com/paypal.png","language":"Scala","funding_links":[],"categories":[],"sub_categories":[],"readme":"[![Build Status](https://travis-ci.com/paypal/dione.svg?branch=main)](https://travis-ci.com/paypal/dione)\n[![License](https://img.shields.io/badge/License-Apache%202.0-blue.svg)](https://opensource.org/licenses/Apache-2.0)\n\n# Dione\nDione - an indexing Library for data on HDFS and Spark.\n\nThe main offering is APIs for building an index for data on HDFS and querying the index in both:\n- _Multi-row load_ - using Spark as a distributed processing engine, load a subset of the data (0.1% to 100% of key space) much faster than Spark/Hive joins.\n- _Single-row Fetch_ - `get(key)` with seconds latency, and low throughput.\n\nThis way we can reuse HDFS data, that is primarily used for batch processing, for more ad-hoc access use-cases. \n\nThere are three main building blocks:\n- `HdfsIndexer` - a library for indexing HDFS data and loading back the data given the index metadata.\n- `AvroBtreeFile` - an Avro based file format for storing rows in a file in a B-Tree order for fast search.\n- `IndexManager` - a high-level API for index management using Spark.\n\nFor deeper overview please see our [Dione documentation](docs/detailed_doc.md). \n\n## Main Features\n- Data and index are available for batch processing.\n- Use the same technology stack for the index and for the data.\n- No data duplication.\n- Support multiple indices for the same data.\n- No need to be the data owner.\n\n## Quick Start\nCheck out our [Quick Start](docs/quick_start.md) or [Quick Start Python](docs/quick_start_python.md) guides.\n\n## Compatibility Matrix\n| Dione | Spark|\n|-------|------|\n| 0.5.x | 2.3.x|\n| 0.6.x | 2.4.x|\n| 0.7.x | 3.1.x|\n\n## Reporting an issue\nPlease open issues in the [GitHub issues](https://github.com/paypal/dione/issues).\n\n## License\nThis project is licensed under the [Apache 2 License](LICENSE).\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fpaypal%2Fdione","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fpaypal%2Fdione","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fpaypal%2Fdione/lists"}