# Apache Hudi vs DuckDB

**Leader by vioscaleAI score:** DuckDB

| Attribute | Apache Hudi | DuckDB |
|---|---|---|
| **vioscaleAI score** | 51.4 (59% (medium)) | 59.1 (51% (medium)) |
| activity.commits_last_30d | 100 | 100 |
| adoption.dependent_repos | 358 | 1 |
| adoption.github_stars | 6,318 | 42,154 |
| adoption.package_downloads_weekly | 5,524 | 15,285,415 |
| content.faq | `[{"answer":"Apache Hudi is an open-source project enabling data teams to manage analytics datasets with ACID transactions, temporal data access, and change capture. It provides multi-language APIs and integrates with data processing systems like Spark, Flink, and Presto. It is indexed under Data Warehouse Software.","source":"https://hudi.apache.org","question":"What is Apache Hudi?","confidence":0.6},{"answer":"Apache Hudi is open source, so it can be self-hosted and used at no licence cost. It is released under the Apache-2.0 licence. Pricing changes often, so verify at source before relying on it.","source":"https://hudi.apache.org","question":"Is Apache Hudi free to use?","confidence":0.6},{"answer":"Apache Hudi supports Linux. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://hudi.apache.org","question":"What platforms does Apache Hudi support?","confidence":0.6},{"answer":"Yes. Apache Hudi can be deployed self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://hudi.apache.org","question":"Can Apache Hudi be self-hosted?","confidence":0.6},{"answer":"We have confirmed 7 integrations for Apache Hudi, including AWS Glue, Apache Spark, Apache Flink, Trino, Presto, Apache Hive and Apicurio Registry. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://hudi.apache.org","question":"What does Apache Hudi integrate with?","confidence":0.6},{"answer":"Yes. Apache Hudi is published under the Apache-2.0 licence, a permissive licence that generally allows commercial use and modification. Licence terms can change between releases, so verify against the repository for the version you intend to use.","source":"https://github.com/apache/hudi","question":"Is Apache Hudi open source?","confidence":0.67}]` | `[{"answer":"An in-process SQL analytical database that runs natively in applications across operating systems and environments. Supports querying files and cloud data directly with a SQL dialect and includes vector search capabilities. It is indexed under Data Warehouse Software.","source":"https://duckdb.org","question":"What is DuckDB?","confidence":0.6},{"answer":"DuckDB is open source, so it can be self-hosted and used at no licence cost. It is released under the MIT licence. Pricing changes often, so verify at source before relying on it.","source":"https://duckdb.org","question":"Is DuckDB free to use?","confidence":0.6},{"answer":"DuckDB supports the web, Windows, macOS, Linux and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://duckdb.org","question":"What platforms does DuckDB support?","confidence":0.6},{"answer":"Yes. DuckDB can be deployed self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://duckdb.org","question":"Can DuckDB be self-hosted?","confidence":0.6},{"answer":"We have confirmed 27 integrations for DuckDB, including Postgres, AWS, S3, Azure, Google Cloud, Hugging Face, SQLite and MySQL, plus 19 more. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://duckdb.org","question":"What does DuckDB integrate with?","confidence":0.6},{"answer":"Yes. DuckDB is published under the MIT licence, a permissive licence that generally allows commercial use and modification. Licence terms can change between releases, so verify against the repository for the version you intend to use.","source":"https://github.com/duckdb/duckdb","question":"Is DuckDB open source?","confidence":0.99},{"answer":"DuckDB is available worldwide. The vendor is headquartered in the Netherlands.","source":"https://duckdb.org","question":"Where is DuckDB available?","confidence":0.75}]` |
| deployment.options | `{"cloud":true,"self_hosted":true}` | `{"self_hosted":true}` |
| description.long | An open data lakehouse platform that enables ACID transactions and incremental processing on data lakes across cloud environments, providing tools for data ingestion, management, and query. | A portable analytical database that runs locally or embedded in applications, with PostgreSQL-like SQL and APIs for major programming languages, supporting popular data formats including CSV, JSON, Parquet, and Apache Iceberg. |
| features.capabilities | `{"deployment":"self","architecture":"separated","license_class":"permissive","table_formats":"Parquet with MOR support","semi_structured":"functional","federation_query":true,"streaming_ingest":true}` | `{"in_db_ml":true,"deployment":"embedded","sql_dialect":"vendor","license_class":"permissive","table_formats":"Parquet, CSV, JSON, Iceberg, Delta Lake, Vortex, DuckLake, Lance, Arrow, Avro, E","semi_structured":"functional","federation_query":true}` |
| integrations.count | 12 | 27 |
| integrations.list | `[{"name":"AWS Glue"},{"name":"Apache Spark"},{"name":"Apache Flink"},{"name":"Trino"},{"name":"Presto"},{"name":"Apache Hive"},{"name":"Apicurio Registry"},{"name":"Apache Kafka","native":true,"category":"streaming","direction":"inbound"},{"name":"Apache Hive Metastore","native":true,"category":"catalog","direction":"bidirectional"},{"name":"Google BigQuery","native":true,"category":"data_warehouse","direction":"bidirectional"},{"name":"Apache XTable","native":true,"category":"data_format","direction":"bidirectional"},{"name":"Amazon Athena","native":true,"category":"query_engine"},{"name":"Kafka"},{"name":"Debezium"},{"name":"Hive Metastore"},{"name":"DuckDB"},{"name":"Iceberg"}]` | `[{"name":"Postgres"},{"name":"AWS"},{"name":"S3"},{"name":"Azure"},{"name":"Google Cloud"},{"name":"Hugging Face"},{"name":"SQLite"},{"name":"MySQL"},{"name":"Iceberg"},{"name":"Delta Lake"},{"name":"Parquet"},{"name":"JSON"},{"name":"Arrow"},{"name":"Avro"},{"name":"Pandas"},{"name":"dplyr"},{"name":"Jupyter"},{"name":"Marimo"},{"name":"Claude"},{"name":"Cloudflare"},{"name":"ODBC"},{"name":"HTTP"},{"name":"Excel"},{"name":"Vortex"},{"name":"DuckLake"},{"name":"Lance"},{"name":"Geospatial formats"},{"name":"PostgreSQL","category":"database"},{"name":"Apache Iceberg","category":"table_format"},{"name":"ADBC","native":true}]` |
| language.primary | Java | C++ |
| license.spdx | Apache-2.0 | MIT |
| market.availability | - | `{"hqCountry":"NL","primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"cli":true}` | `{"cli":true,"mac":true,"linux":true,"windows":true}` |
| pricing | `{"type":"open_source","freeTier":true,"sourceUrl":"https://hudi.apache.org","retrievedAt":"2026-10-14T22:34:11.321Z"}` | `{"type":"open_source","summary":"Free, open source under MIT license","freeTier":true,"sourceUrl":"https://duckdb.org","retrievedAt":"2026-08-14T15:30:03.636Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | open_source | open_source |
| pricing.price_level | free | free |
| pricing.transparent | - | yes |
| release.cadence_days | 63 | 33 |
| release.history | `[{"url":"https://github.com/apache/hudi/releases/tag/release-1.2.1","date":"2026-09-24T10:58:28Z","type":"stable","version":"release-1.2.1"},{"url":"https://github.com/apache/hudi/releases/tag/release-0.14.2","date":"2026-06-08T10:09:51Z","type":"stable","version":"release-0.14.2"},{"url":"https://github.com/apache/hudi/releases/tag/release-1.2.0","date":"2026-05-23T23:22:18Z","type":"stable","version":"release-1.2.0"},{"url":"https://github.com/apache/hudi/releases/tag/release-0.15.1","date":"2026-05-21T14:17:37Z","type":"stable","version":"release-0.15.1"},{"url":"https://github.com/apache/hudi/releases/tag/release-1.1.1","date":"2025-12-18T08:07:23Z","type":"stable","version":"release-1.1.1"},{"url":"https://github.com/apache/hudi/releases/tag/release-1.1.0","date":"2025-11-17T23:41:29Z","type":"stable","version":"release-1.1.0"},{"url":"https://github.com/apache/hudi/releases/tag/release-1.0.2","date":"2025-05-02T04:04:52Z","type":"stable","version":"release-1.0.2"},{"url":"https://github.com/apache/hudi/releases/tag/release-1.0.1","date":"2025-02-19T04:57:56Z","type":"stable","version":"release-1.0.1"},{"url":"https://github.com/apache/hudi/releases/tag/release-1.0.0","date":"2024-12-11T09:35:51Z","type":"stable","version":"release-1.0.0"},{"url":"https://github.com/apache/hudi/releases/tag/release-1.0.0-beta2","date":"2024-07-16T07:41:55Z","type":"prerelease","version":"release-1.0.0-beta2"},{"url":"https://github.com/apache/hudi/releases/tag/release-0.15.0","date":"2024-06-06T20:06:05Z","type":"stable","version":"release-0.15.0"},{"url":"https://github.com/apache/hudi/releases/tag/release-0.14.1","date":"2024-01-04T16:45:04Z","type":"stable","version":"release-0.14.1"},{"url":"https://github.com/apache/hudi/releases/tag/release-1.0.0-beta1","date":"2023-11-14T19:51:43Z","type":"prerelease","version":"release-1.0.0-beta1"},{"url":"https://github.com/apache/hudi/releases/tag/release-0.14.0","date":"2023-10-05T01:31:24Z","type":"stable","version":"release-0.14.0"},{"url":"https://github.com/apache/hudi/releases/tag/release-0.13.1","date":"2023-05-31T03:23:06Z","type":"stable","version":"release-0.13.1"},{"url":"https://github.com/apache/hudi/releases/tag/release-0.12.3","date":"2023-04-24T02:39:20Z","type":"stable","version":"release-0.12.3"},{"url":"https://github.com/apache/hudi/releases/tag/release-0.13.0","date":"2023-02-21T22:57:21Z","type":"stable","version":"release-0.13.0"},{"url":"https://github.com/apache/hudi/releases/tag/release-0.12.2","date":"2022-12-28T05:18:27Z","type":"stable","version":"release-0.12.2"},{"url":"https://github.com/apache/hudi/releases/tag/release-0.12.1","date":"2022-10-19T13:57:20Z","type":"stable","version":"release-0.12.1"},{"url":"https://github.com/apache/hudi/releases/tag/release-0.12.0","date":"2022-08-17T05:50:08Z","type":"stable","version":"release-0.12.0"}]` | `[{"url":"https://github.com/duckdb/duckdb/releases/tag/v1.5.6","date":"2026-09-28T13:35:11Z","type":"stable","version":"v1.5.6"},{"url":"https://github.com/duckdb/duckdb/releases/tag/v1.5.5","date":"2026-07-22T10:51:50Z","type":"stable","version":"v1.5.5"},{"url":"https://github.com/duckdb/duckdb/releases/tag/v1.5.4","date":"2026-06-17T10:45:53Z","type":"stable","version":"v1.5.4"},{"url":"https://github.com/duckdb/duckdb/releases/tag/v1.4.5","date":"2026-06-17T10:42:38Z","type":"stable","version":"v1.4.5"},{"url":"https://github.com/duckdb/duckdb/releases/tag/v1.5.3","date":"2026-05-20T11:50:43Z","type":"stable","version":"v1.5.3"},{"url":"https://github.com/duckdb/duckdb/releases/tag/v1.5.2","date":"2026-04-13T10:46:51Z","type":"stable","version":"v1.5.2"},{"url":"https://github.com/duckdb/duckdb/releases/tag/v1.5.1","date":"2026-03-23T12:10:58Z","type":"stable","version":"v1.5.1"},{"url":"https://github.com/duckdb/duckdb/releases/tag/v1.5.0","date":"2026-03-09T12:40:59Z","type":"stable","version":"v1.5.0"},{"url":"https://github.com/duckdb/duckdb/releases/tag/v1.4.4","date":"2026-01-26T12:08:09Z","type":"stable","version":"v1.4.4"},{"url":"https://github.com/duckdb/duckdb/releases/tag/v1.4.3","date":"2025-12-09T10:20:40Z","type":"stable","version":"v1.4.3"},{"url":"https://github.com/duckdb/duckdb/releases/tag/v1.4.2","date":"2025-11-12T13:04:29Z","type":"stable","version":"v1.4.2"},{"url":"https://github.com/duckdb/duckdb/releases/tag/v1.4.1","date":"2025-10-07T10:29:57Z","type":"stable","version":"v1.4.1"},{"url":"https://github.com/duckdb/duckdb/releases/tag/v1.4.0","date":"2025-09-16T10:17:31Z","type":"stable","version":"v1.4.0"},{"url":"https://github.com/duckdb/duckdb/releases/tag/v1.3.2","date":"2025-07-08T10:39:09Z","type":"stable","version":"v1.3.2"},{"url":"https://github.com/duckdb/duckdb/releases/tag/v1.3.1","date":"2025-06-16T13:54:58Z","type":"stable","version":"v1.3.1"},{"url":"https://github.com/duckdb/duckdb/releases/tag/v1.3.0","date":"2025-05-21T16:04:19Z","type":"stable","version":"v1.3.0"},{"url":"https://github.com/duckdb/duckdb/releases/tag/v1.2.2","date":"2025-04-08T08:44:15Z","type":"stable","version":"v1.2.2"},{"url":"https://github.com/duckdb/duckdb/releases/tag/v1.2.1","date":"2025-03-05T18:03:02Z","type":"stable","version":"v1.2.1"},{"url":"https://github.com/duckdb/duckdb/releases/tag/v1.2.0","date":"2025-02-05T13:57:07Z","type":"stable","version":"v1.2.0"},{"url":"https://github.com/duckdb/duckdb/releases/tag/v1.1.3","date":"2024-11-04T13:59:58Z","type":"stable","version":"v1.1.3"}]` |
| reliability.status_page | - | yes |
| security.scorecard | 6.4 | - |
| security.vulnerabilities | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=maven&package_name=org.apache.hudi%3Ahudi-hadoop-mr&per_page=100","last_12m":0,"max_severity":null}` | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=conda&package_name=python-duckdb&per_page=100","last_12m":0,"max_severity":null}` |

## Capabilities (Data Warehouse Software)

| Capability | Apache Hudi | DuckDB |
|---|:--:|:--:|
| **Deployment** |  |  |
| Deployment | Self-hosted | Embedded |
| **Architecture** |  |  |
| Architecture | Separated storage/compute | - |
| Compute model | - | - |
| **Query** |  |  |
| SQL dialect | - | Vendor-specific |
| Federation / lakehouse query-in-place | ✓ | ✓ |
| **Interoperability** |  |  |
| Table-format support | Parquet with MOR support | Parquet, CSV, JSON, Iceberg, Delta Lake, Vortex, DuckLake, Lance, Arrow, Avro, E |
| **Scale** |  |  |
| Concurrency scaling | - | - |
| **Ingestion** |  |  |
| Streaming ingest | ✓ | - |
| **Data model** |  |  |
| Semi-structured (JSON/VARIANT) | Functional | Functional |
| **Analytics** |  |  |
| ML / in-DB functions | - | ✓ |
| **Sharing** |  |  |
| Data sharing / marketplace | - | - |
| **Licensing** |  |  |
| Licence class | Permissive OSS | Permissive OSS |

*Source: vioscaleAI. Generated 2026-10-16T19:03:03.500Z. "-" = undocumented, not absent.*
