# Apache Druid vs Delta Lake

**Leader by vioscaleAI score:** Delta Lake

| Attribute | Apache Druid | Delta Lake |
|---|---|---|
| **vioscaleAI score** | 49.1 (54% (medium)) | 61 (58% (medium)) |
| activity.commits_last_30d | 100 | 100 |
| adoption.dependent_repos | 264 | 152 |
| adoption.github_stars | 14,064 | 9,042 |
| adoption.package_downloads_weekly | - | 6,751,062 |
| content.faq | `[{"answer":"Apache Druid is an open source analytics database designed for fast queries and real-time data ingestion. It excels at powering UIs, running operational queries, and handling high concurrency. It is indexed under Data Warehouse Software.","source":"https://druid.apache.org","question":"What is Apache Druid?","confidence":0.6},{"answer":"Apache Druid 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://druid.apache.org","question":"Is Apache Druid free to use?","confidence":0.6},{"answer":"We have confirmed browser-based access to Apache Druid. That is the extent of what we could verify from public sources, so it may well offer desktop or mobile clients we have not indexed.","source":"https://druid.apache.org","question":"What platforms does Apache Druid support?","confidence":0.6},{"answer":"Yes. Apache Druid can be deployed on-premise and self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://druid.apache.org","question":"Can Apache Druid be self-hosted?","confidence":0.6},{"answer":"Yes. Apache Druid 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/druid","question":"Is Apache Druid open source?","confidence":0.95}]` | `[{"answer":"An open-source storage framework enabling lakehouse architecture with support for multiple compute engines including Spark, Flink, Trino, Snowflake, BigQuery, and others. It is indexed under Data Warehouse Software.","source":"https://delta.io","question":"What is Delta Lake?","confidence":0.6},{"answer":"Delta Lake 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://delta.io","question":"Is Delta Lake free to use?","confidence":0.6},{"answer":"Yes. Delta Lake can be deployed cloud / SaaS, on-premise and self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://delta.io","question":"Can Delta Lake be self-hosted?","confidence":0.6},{"answer":"We have confirmed 29 integrations for Delta Lake, including Apache Spark, Apache Flink, Apache Hive, Apache Pulsar, Apache Druid, ClickHouse, Trino and PrestoDB, plus 21 more. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://delta.io","question":"What does Delta Lake integrate with?","confidence":0.6},{"answer":"Yes. Delta Lake 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/delta-io/delta","question":"Is Delta Lake open source?","confidence":0.99}]` |
| deployment.options | `{"self_hosted":true}` | `{"self_hosted":true}` |
| description.long | Optimized for real-time analytics with rapid query execution on streaming and batch data. Provides native integration with Apache Kafka, Amazon Kinesis, and RabbitMQ for low-latency ingestion at scale. | A storage framework enabling lakehouse architectures—unified platforms combining data warehouse and data lake capabilities—that works with multiple query engines and can be deployed on any cloud, on-premises, or locally. |
| features.capabilities | `{"deployment":"self","sql_dialect":"vendor","architecture":"separated","compute_model":"clusters","license_class":"permissive","semi_structured":"functional","streaming_ingest":true}` | `{"deployment":"self","architecture":"separated","data_sharing":true,"license_class":"permissive","table_formats":"Delta, Iceberg, Hudi","semi_structured":"first_class","federation_query":true,"streaming_ingest":true}` |
| integrations.count | 3 | 15 |
| integrations.list | `[{"name":"Apache Kafka"},{"name":"Amazon Kinesis"},{"name":"Kafka"},{"name":"Kinesis"},{"name":"RabbitMQ"}]` | `[{"name":"Apache Spark"},{"name":"Apache Flink"},{"name":"Apache Hive"},{"name":"Apache Pulsar"},{"name":"Apache Druid"},{"name":"ClickHouse"},{"name":"Trino"},{"name":"PrestoDB"},{"name":"StarRocks"},{"name":"RisingWave"},{"name":"Dagster"},{"name":"Hopsworks"},{"name":"MLflow"},{"name":"Kafka"},{"name":"AWS Athena"},{"name":"AWS EMR"},{"name":"AWS Glue"},{"name":"Azure Stream Analytics"},{"name":"Google BigQuery"},{"name":"Snowflake"},{"name":"Databricks"},{"name":"AWS Redshift"},{"name":"Microsoft Fabric"},{"name":"Power BI"},{"name":"Starburst"},{"name":"Oracle"},{"name":"Excel"},{"name":"FINOS Legend"},{"name":"Kotosiro"},{"name":"Apache Kafka","native":true},{"name":"Amazon Athena"},{"name":"Amazon Redshift"},{"name":"Azure Fabric"},{"name":"Apache Iceberg"},{"name":"Apache Hudi"}]` |
| language.primary | Java | Scala |
| license.spdx | Apache-2.0 | Apache-2.0 |
| market.availability | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"web":true}` | - |
| pricing | `{"type":"open_source","sourceUrl":"https://druid.apache.org","retrievedAt":"2026-09-10T21:09:04.526Z"}` | `{"type":"open_source","freeTier":true,"sourceUrl":"https://delta.io","retrievedAt":"2026-09-10T16:04:07.641Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | open_source | open_source |
| pricing.price_level | free | free |
| pricing.transparent | yes | - |
| release.cadence_days | 61 | 50 |
| release.history | `[{"url":"https://github.com/apache/druid/releases/tag/druid-38.0.0","date":"2026-10-01T16:04:21Z","type":"stable","version":"druid-38.0.0"},{"url":"https://github.com/apache/druid/releases/tag/druid-37.0.0","date":"2026-05-08T22:00:21Z","type":"stable","version":"druid-37.0.0"},{"url":"https://github.com/apache/druid/releases/tag/druid-36.0.0","date":"2026-02-09T14:50:03Z","type":"stable","version":"druid-36.0.0"},{"url":"https://github.com/apache/druid/releases/tag/druid-35.0.1","date":"2025-12-15T20:23:38Z","type":"stable","version":"druid-35.0.1"},{"url":"https://github.com/apache/druid/releases/tag/druid-35.0.0","date":"2025-11-18T04:34:00Z","type":"stable","version":"druid-35.0.0"},{"url":"https://github.com/apache/druid/releases/tag/druid-34.0.0","date":"2025-08-11T15:12:41Z","type":"stable","version":"druid-34.0.0"},{"url":"https://github.com/apache/druid/releases/tag/druid-33.0.0","date":"2025-04-29T13:10:12Z","type":"stable","version":"druid-33.0.0"},{"url":"https://github.com/apache/druid/releases/tag/druid-32.0.1","date":"2025-03-19T16:07:37Z","type":"stable","version":"druid-32.0.1"},{"url":"https://github.com/apache/druid/releases/tag/druid-31.0.2","date":"2025-03-19T16:07:28Z","type":"stable","version":"druid-31.0.2"},{"url":"https://github.com/apache/druid/releases/tag/druid-32.0.0","date":"2025-02-13T08:00:18Z","type":"stable","version":"druid-32.0.0"},{"url":"https://github.com/apache/druid/releases/tag/druid-31.0.1","date":"2024-12-25T05:42:25Z","type":"stable","version":"druid-31.0.1"},{"url":"https://github.com/apache/druid/releases/tag/druid-31.0.0","date":"2024-10-22T18:15:53Z","type":"stable","version":"druid-31.0.0"},{"url":"https://github.com/apache/druid/releases/tag/druid-30.0.1","date":"2024-09-17T17:10:51Z","type":"stable","version":"druid-30.0.1"},{"url":"https://github.com/apache/druid/releases/tag/druid-30.0.0","date":"2024-06-17T03:03:30Z","type":"stable","version":"druid-30.0.0"},{"url":"https://github.com/apache/druid/releases/tag/druid-29.0.1","date":"2024-04-03T05:02:18Z","type":"stable","version":"druid-29.0.1"},{"url":"https://github.com/apache/druid/releases/tag/druid-29.0.0","date":"2024-02-21T05:51:52Z","type":"stable","version":"druid-29.0.0"},{"url":"https://github.com/apache/druid/releases/tag/druid-28.0.1","date":"2023-12-21T11:24:37Z","type":"stable","version":"druid-28.0.1"},{"url":"https://github.com/apache/druid/releases/tag/druid-28.0.0","date":"2023-11-15T10:19:54Z","type":"stable","version":"druid-28.0.0"},{"url":"https://github.com/apache/druid/releases/tag/druid-27.0.0","date":"2023-08-11T09:28:58Z","type":"stable","version":"druid-27.0.0"},{"url":"https://github.com/apache/druid/releases/tag/druid-26.0.0","date":"2023-05-24T00:40:26Z","type":"stable","version":"druid-26.0.0"}]` | `[{"url":"https://github.com/delta-io/delta/releases/tag/v4.4.1","date":"2026-10-05T23:25:36Z","type":"stable","version":"v4.4.1"},{"url":"https://github.com/delta-io/delta/releases/tag/v4.4.0","date":"2026-08-20T16:52:49Z","type":"stable","version":"v4.4.0"},{"url":"https://github.com/delta-io/delta/releases/tag/v3.3.3","date":"2026-08-12T21:01:45Z","type":"stable","version":"v3.3.3"},{"url":"https://github.com/delta-io/delta/releases/tag/v4.3.1","date":"2026-07-08T04:59:39Z","type":"stable","version":"v4.3.1"},{"url":"https://github.com/delta-io/delta/releases/tag/v4.3.0","date":"2026-06-18T04:26:28Z","type":"stable","version":"v4.3.0"},{"url":"https://github.com/delta-io/delta/releases/tag/v4.2.0","date":"2026-04-16T05:00:05Z","type":"stable","version":"v4.2.0"},{"url":"https://github.com/delta-io/delta/releases/tag/v4.1.0","date":"2026-02-26T02:42:06Z","type":"stable","version":"v4.1.0"},{"url":"https://github.com/delta-io/delta/releases/tag/v4.0.1","date":"2026-01-16T00:40:03Z","type":"stable","version":"v4.0.1"},{"url":"https://github.com/delta-io/delta/releases/tag/v4.0.0","date":"2025-06-09T16:22:13Z","type":"stable","version":"v4.0.0"},{"url":"https://github.com/delta-io/delta/releases/tag/v3.3.2","date":"2025-05-31T00:20:00Z","type":"stable","version":"v3.3.2"},{"url":"https://github.com/delta-io/delta/releases/tag/v3.3.1","date":"2025-05-05T03:21:16Z","type":"stable","version":"v3.3.1"},{"url":"https://github.com/delta-io/delta/releases/tag/v3.3.0","date":"2025-01-06T22:04:57Z","type":"stable","version":"v3.3.0"},{"url":"https://github.com/delta-io/delta/releases/tag/v3.2.1","date":"2024-09-26T21:00:46Z","type":"stable","version":"v3.2.1"},{"url":"https://github.com/delta-io/delta/releases/tag/v4.0.0rc1","date":"2024-06-13T16:28:01Z","type":"prerelease","version":"v4.0.0rc1"},{"url":"https://github.com/delta-io/delta/releases/tag/v3.2.0","date":"2024-05-09T19:55:28Z","type":"stable","version":"v3.2.0"},{"url":"https://github.com/delta-io/delta/releases/tag/v3.1.0","date":"2024-01-30T22:13:52Z","type":"stable","version":"v3.1.0"},{"url":"https://github.com/delta-io/delta/releases/tag/v3.0.0","date":"2023-10-17T23:04:31Z","type":"stable","version":"v3.0.0"},{"url":"https://github.com/delta-io/delta/releases/tag/v2.4.0","date":"2023-05-25T22:10:14Z","type":"stable","version":"v2.4.0"},{"url":"https://github.com/delta-io/delta/releases/tag/v2.3.0","date":"2023-04-05T18:42:33Z","type":"stable","version":"v2.3.0"},{"url":"https://github.com/delta-io/delta/releases/tag/v2.0.2","date":"2023-01-13T22:44:44Z","type":"stable","version":"v2.0.2"}]` |
| security.scorecard | 7.5 | 6.2 |
| security.trust_center | https://druid.apache.org/docs/latest/multi-stage-query/security | - |
| security.vulnerabilities | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=maven&package_name=org.apache.druid%3Adruid-processing&per_page=100","last_12m":0,"max_severity":null}` | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=maven&package_name=io.delta%3Adelta-standalone_2.12&per_page=100","last_12m":0,"max_severity":null}` |

## Capabilities (Data Warehouse Software)

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

*Source: vioscaleAI. Generated 2026-10-16T20:13:11.395Z. "-" = undocumented, not absent.*