# QuestDB vs VictoriaMetrics

| Attribute | QuestDB | VictoriaMetrics |
|---|---|---|
| **vioscaleAI score** | 49.9 (70% (medium)) | 45 (55% (medium)) |
| activity.commits_last_30d | 38 | 100 |
| adoption.dependent_repos | 106 | 25 |
| adoption.github_stars | 17,444 | 17,865 |
| content.faq | `[{"answer":"QuestDB is an open-source time-series database engineered for low latency, delivering ultra-low latency ingestion, high throughput, and multi-tier storage for demanding time-series workloads. It is indexed under Time-Series Databases.","source":"https://questdb.io","question":"What is QuestDB?","confidence":0.6},{"answer":"QuestDB offers a free tier, so you can start without paying. Pricing changes often, so verify at source before relying on it.","source":"https://questdb.com/glossary/black-scholes-model-for-option-pricing/","question":"Is QuestDB free?","confidence":0.6},{"answer":"QuestDB supports the web and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://questdb.com/glossary/black-scholes-model-for-option-pricing/","question":"What platforms does QuestDB support?","confidence":0.6},{"answer":"Yes. QuestDB can be deployed cloud / SaaS and self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://questdb.com/glossary/black-scholes-model-for-option-pricing/","question":"Can QuestDB be self-hosted?","confidence":0.6},{"answer":"We have confirmed 10 integrations for QuestDB, including PostgreSQL, Parquet, Arrow, Polars, Pandas, Debezium, Iceberg and MySQL, plus 2 more. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://questdb.com/glossary/black-scholes-model-for-option-pricing/","question":"What does QuestDB integrate with?","confidence":0.6},{"answer":"We have independently confirmed SOC 2 and GDPR for QuestDB. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as QuestDB not holding them. Always confirm compliance directly before you rely on it.","source":"https://questdb.io","question":"What security certifications does QuestDB have?","confidence":0.48},{"answer":"Yes. QuestDB 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/questdb/questdb","question":"Is QuestDB open source?","confidence":0.95},{"answer":"QuestDB is available worldwide. Its primary markets are the United Kingdom and the United States. The vendor is headquartered in the United Kingdom.","source":"https://questdb.com/glossary/black-scholes-model-for-option-pricing/","question":"Where is QuestDB available?","confidence":0.75}]` | `[{"answer":"Open source time series database optimized for high-cardinality metrics and logs, with both self-hosted and cloud deployment options. It is indexed under Time-Series Databases.","source":"https://victoriametrics.com/blog/not-all-telemetry-deserves-premium-pricing/","question":"What is VictoriaMetrics?","confidence":0.6},{"answer":"VictoriaMetrics supports the web and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://victoriametrics.com/blog/not-all-telemetry-deserves-premium-pricing/","question":"What platforms does VictoriaMetrics support?","confidence":0.6},{"answer":"Yes. VictoriaMetrics can be deployed cloud / SaaS, hybrid and self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://victoriametrics.com/blog/not-all-telemetry-deserves-premium-pricing/","question":"Can VictoriaMetrics be self-hosted?","confidence":0.6},{"answer":"We have confirmed 10 integrations for VictoriaMetrics, including Prometheus, Logstash, Fluentbit, Promtail, Elasticsearch, Loki, Grafana and OpenLIT, plus 2 more. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://victoriametrics.com/blog/not-all-telemetry-deserves-premium-pricing/","question":"What does VictoriaMetrics integrate with?","confidence":0.6},{"answer":"We have independently confirmed ISO 27001 for VictoriaMetrics. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as VictoriaMetrics not holding them. Always confirm compliance directly before you rely on it.","source":"https://victoriametrics.com/security","question":"What security certifications does VictoriaMetrics have?","confidence":0.7},{"answer":"Yes. VictoriaMetrics 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/VictoriaMetrics/VictoriaMetrics","question":"Is VictoriaMetrics open source?","confidence":0.95},{"answer":"VictoriaMetrics is available worldwide. The vendor is headquartered in Ukraine.","source":"https://victoriametrics.com/blog/not-all-telemetry-deserves-premium-pricing/","question":"Where is VictoriaMetrics available?","confidence":0.75}]` |
| deployment.options | `{"cloud":true,"hybrid":true,"self_hosted":true}` | `{"cloud":true,"self_hosted":true}` |
| description.long | A specialized database engineered to ingest high-volume time-series data at speed, execute queries with minimal latency, and maintain queryable history across tiered storage layers—combining standard SQL with open file formats for portability. | A high-performance time-series database optimized for storing, querying, and managing large volumes of metrics data cost-effectively, commonly used for monitoring and observability in cloud-native environments. |
| features.capabilities | `{"clustering":"distributed","data_model":"events","deployment":"self_hosted","compression":"columnar with frame compression","downsampling":"continuous_aggregates","ingest_model":"push","licence_class":"permissive_oss","retention_ttl":"automatic","query_language":"SQL with time-series extensions (SAMPLE BY, ASOF, HORIZON JOIN, N-dimensional ar","replication_ha":true,"high_cardinality":"strong","sql_compatibility":"full_sql"}` | `{"clustering":"distributed","data_model":"both","deployment":"self_hosted","downsampling":"continuous_aggregates","ingest_model":"both","licence_class":"permissive_oss","retention_ttl":"manual","query_language":"MetricsQL (metrics), LogsQL (logs)","high_cardinality":"strong","sql_compatibility":"non_sql","prometheus_remote_write":true}` |
| integrations.count | 7 | 8 |
| integrations.list | `[{"name":"PostgreSQL"},{"name":"Parquet"},{"name":"Arrow"},{"name":"Polars"},{"name":"Pandas"},{"name":"Debezium"},{"name":"Iceberg"},{"name":"MySQL"},{"name":"MongoDB"},{"name":"Cassandra"},{"name":"Kafka","native":true,"direction":"inbound"},{"name":"Apache Parquet","native":true,"direction":"bidirectional"},{"name":"Apache Arrow","native":true,"direction":"bidirectional"},{"name":"Claude Code","native":true,"direction":"bidirectional"},{"name":"REST API","native":true,"direction":"bidirectional"},{"name":"Apache Iceberg","native":true},{"name":"Databricks","category":"data_platform"},{"name":"AWS","category":"cloud"},{"name":"Azure","category":"cloud"}]` | `[{"name":"Prometheus"},{"name":"Logstash"},{"name":"Fluentbit"},{"name":"Promtail"},{"name":"Elasticsearch"},{"name":"Loki"},{"name":"Grafana"},{"name":"OpenLIT"},{"name":"S3"},{"name":"GCS"},{"name":"Graphite","native":false,"category":"monitoring","direction":"bidirectional"},{"name":"InfluxDB","native":false,"category":"data_source","direction":"inbound"},{"name":"DataDog","native":false,"category":"monitoring","direction":"inbound"},{"name":"StatsD","native":false,"category":"metrics","direction":"inbound"},{"name":"OpenTSDB","native":false,"category":"data_source","direction":"inbound"},{"name":"Kubernetes","native":false,"category":"platform","direction":"inbound"},{"name":"Jaeger","native":true,"category":"observability","direction":"inbound"},{"name":"OpenTelemetry","native":true,"category":"observability","direction":"inbound"}]` |
| language.primary | Java | Go |
| license.spdx | Apache-2.0 | Apache-2.0 |
| market.availability | `{"hqCountry":"GB","primaryMarkets":["GB","US"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | `{"hqCountry":"UA","primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"cli":true,"mac":true,"web":true,"linux":true,"windows":true}` | `{"cli":true,"web":true}` |
| pricing | `{"type":"hybrid","summary":"Open-source Apache 2.0 free tier; QuestDB Cloud and Enterprise plans available via contact/quote","freeTier":true,"sourceUrl":"https://questdb.com/glossary/black-scholes-model-for-option-pricing/","retrievedAt":"2026-08-14T16:37:07.614Z"}` | `{"type":"hybrid","summary":"Open source with free evaluation; enterprise support available","freeTier":true,"sourceUrl":"https://victoriametrics.com","retrievedAt":"2026-09-14T13:27:23.831Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | freemium | commercial |
| pricing.price_level | low | low |
| pricing.transparent | no | no |
| release.cadence_days | 16 | - |
| release.history | `[{"url":"https://github.com/questdb/questdb/releases/tag/10.0.1","date":"2026-08-24T13:55:02Z","type":"stable","version":"10.0.1"},{"url":"https://github.com/questdb/questdb/releases/tag/10.0.0","date":"2026-08-06T15:36:51Z","type":"stable","version":"10.0.0"},{"url":"https://github.com/questdb/questdb/releases/tag/9.4.3","date":"2026-06-15T17:01:58Z","type":"stable","version":"9.4.3"},{"url":"https://github.com/questdb/questdb/releases/tag/9.4.2","date":"2026-06-09T13:30:03Z","type":"stable","version":"9.4.2"},{"url":"https://github.com/questdb/questdb/releases/tag/9.4.1","date":"2026-06-03T08:03:25Z","type":"stable","version":"9.4.1"},{"url":"https://github.com/questdb/questdb/releases/tag/9.4.0","date":"2026-05-18T12:56:56Z","type":"stable","version":"9.4.0"},{"url":"https://github.com/questdb/questdb/releases/tag/9.3.5","date":"2026-04-13T17:21:09Z","type":"stable","version":"9.3.5"},{"url":"https://github.com/questdb/questdb/releases/tag/9.3.4","date":"2026-03-26T16:16:42Z","type":"stable","version":"9.3.4"},{"url":"https://github.com/questdb/questdb/releases/tag/9.3.3","date":"2026-02-25T14:23:44Z","type":"stable","version":"9.3.3"},{"url":"https://github.com/questdb/questdb/releases/tag/9.3.2","date":"2026-01-28T15:23:29Z","type":"stable","version":"9.3.2"},{"url":"https://github.com/questdb/questdb/releases/tag/9.3.1","date":"2026-01-14T16:41:31Z","type":"stable","version":"9.3.1"},{"url":"https://github.com/questdb/questdb/releases/tag/9.3.0","date":"2026-01-09T13:08:40Z","type":"stable","version":"9.3.0"},{"url":"https://github.com/questdb/questdb/releases/tag/9.2.3","date":"2025-12-18T12:13:27Z","type":"stable","version":"9.2.3"},{"url":"https://github.com/questdb/questdb/releases/tag/9.2.2","date":"2025-12-01T12:48:30Z","type":"stable","version":"9.2.2"},{"url":"https://github.com/questdb/questdb/releases/tag/9.2.1","date":"2025-11-25T14:38:23Z","type":"stable","version":"9.2.1"},{"url":"https://github.com/questdb/questdb/releases/tag/9.2.0","date":"2025-11-13T16:13:27Z","type":"stable","version":"9.2.0"},{"url":"https://github.com/questdb/questdb/releases/tag/9.1.1","date":"2025-11-03T15:25:09Z","type":"stable","version":"9.1.1"},{"url":"https://github.com/questdb/questdb/releases/tag/9.1.0","date":"2025-10-03T13:54:02Z","type":"stable","version":"9.1.0"},{"url":"https://github.com/questdb/questdb/releases/tag/9.0.3","date":"2025-08-29T18:32:12Z","type":"stable","version":"9.0.3"},{"url":"https://github.com/questdb/questdb/releases/tag/9.0.2","date":"2025-08-15T16:34:55Z","type":"stable","version":"9.0.2"}]` | `[{"url":"https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.154.0","date":"2026-10-12T11:48:06Z","type":"stable","version":"v1.154.0"},{"url":"https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.153.0","date":"2026-09-28T08:49:46Z","type":"stable","version":"v1.153.0"},{"url":"https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.152.0","date":"2026-09-14T10:36:37Z","type":"stable","version":"v1.152.0"},{"url":"https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.151.0","date":"2026-08-31T10:58:41Z","type":"stable","version":"v1.151.0"},{"url":"https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.150.0","date":"2026-08-17T09:53:36Z","type":"stable","version":"v1.150.0"},{"url":"https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.148.1","date":"2026-08-05T12:38:42Z","type":"stable","version":"v1.148.1"},{"url":"https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.136.15","date":"2026-08-05T12:38:49Z","type":"stable","version":"v1.136.15"},{"url":"https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.149.0","date":"2026-08-05T12:38:55Z","type":"stable","version":"v1.149.0"},{"url":"https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.136.14","date":"2026-07-20T11:02:10Z","type":"stable","version":"v1.136.14"},{"url":"https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.122.27","date":"2026-07-20T11:02:19Z","type":"stable","version":"v1.122.27"},{"url":"https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.148.6","date":"2026-10-12T11:47:43Z","type":"stable","version":"v1.148.6"},{"url":"https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.148.5","date":"2026-09-28T08:49:33Z","type":"stable","version":"v1.148.5"},{"url":"https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.148.4","date":"2026-09-14T10:36:21Z","type":"stable","version":"v1.148.4"},{"url":"https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.148.3","date":"2026-08-31T10:58:24Z","type":"stable","version":"v1.148.3"},{"url":"https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.148.2","date":"2026-08-17T09:53:24Z","type":"stable","version":"v1.148.2"},{"url":"https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.148.0","date":"2026-07-20T11:02:29Z","type":"stable","version":"v1.148.0"},{"url":"https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.147.0","date":"2026-07-06T14:08:36Z","type":"stable","version":"v1.147.0"},{"url":"https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.136.13","date":"2026-07-06T14:08:20Z","type":"stable","version":"v1.136.13"},{"url":"https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.122.26","date":"2026-07-06T14:08:31Z","type":"stable","version":"v1.122.26"},{"url":"https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.136.12","date":"2026-06-22T11:09:36Z","type":"stable","version":"v1.136.12"}]` |
| reliability.sla_pct | 99.9 | - |
| reliability.status_page | - | yes |
| security.disclosure_policy | - | yes |
| security.gdpr | yes | - |
| security.iso27001 | - | yes |
| security.scorecard | 4.4 | 5.5 |
| security.soc2 | yes | - |
| security.vulnerabilities | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=maven&package_name=org.questdb%3Aquestdb&per_page=100","last_12m":0,"max_severity":null}` | `{"count":1,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=github.com%2FVictoriaMetrics%2FVictoriaMetrics&per_page=100","last_12m":1,"max_severity":"LOW"}` |

## Capabilities (Time-Series Databases)

| Capability | QuestDB | VictoriaMetrics |
|---|:--:|:--:|
| **Query** |  |  |
| Query language (SQL / PromQL / InfluxQL-Flux / Graphite) | SQL with time-series extensions (SAMPLE BY, ASOF, HORIZON JOIN, N-dimensional ar | MetricsQL (metrics), LogsQL (logs) |
| SQL compatibility | Full SQL | Non-SQL |
| **Ingest** |  |  |
| Ingest model | Push | Both |
| **Model** |  |  |
| Data model | Wide events | Both |
| **Lifecycle** |  |  |
| Downsampling / rollups | Continuous aggregates | Continuous aggregates |
| Retention / TTL | Automatic | Manual |
| **Storage** |  |  |
| Compression (columnar / delta / Gorilla) | columnar with frame compression | - |
| **Performance** |  |  |
| High-cardinality handling | Strong | Strong |
| **Scale** |  |  |
| Clustering / horizontal scale | Distributed / sharded | Distributed / sharded |
| Replication / HA | ✓ | - |
| **Deployment** |  |  |
| Deployment | Self-hosted | Self-hosted |
| **Interop** |  |  |
| Prometheus remote-write compatible | - | ✓ |
| **Licensing** |  |  |
| Licence class | Permissive OSS | Permissive OSS |

*Source: vioscaleAI. Generated 2026-10-16T19:18:59.801Z. "-" = undocumented, not absent.*