# M3DB vs OpenTSDB

**Leader by Vioscale score:** M3DB

| Attribute | M3DB | OpenTSDB |
|---|---|---|
| **Vioscale score** | 36.3 (51% (medium)) | 29.2 (37% (low)) |
| activity.commits_last_30d | 0 | 0 |
| adoption.dependent_repos | 10 | 175 |
| adoption.github_stars | 4,895 | 5,065 |
| adoption.package_downloads_weekly | - | 22 |
| deployment.options | `{"self_hosted":true}` | `{"on_prem":true,"self_hosted":true}` |
| description.long | M3 is a metrics platform consisting of a distributed time-series database, query engine, and ingestion system designed to handle massive metric volumes efficiently. It provides Prometheus and Graphite compatibility while optimizing for performance and cost efficiency through purpose-built storage and querying components. | An open-source time series database built on Hadoop and HBase that stores metric data with millisecond precision and scales to millions of writes per second. |
| features.capabilities | `{"clustering":"distributed","data_model":"metrics","deployment":"self_hosted","compression":"columnar","downsampling":"retention_policies","ingest_model":"push","licence_class":"permissive_oss","retention_ttl":"automatic","query_language":"PromQL, Graphite","replication_ha":true,"high_cardinality":"strong","sql_compatibility":"non_sql","prometheus_remote_write":true}` | `{"clustering":"distributed","data_model":"metrics","deployment":"self_hosted","downsampling":"continuous_aggregates","ingest_model":"push","licence_class":"permissive_oss","retention_ttl":"manual"}` |
| integrations.count | 4 | - |
| integrations.list | `[{"name":"Prometheus"},{"name":"Graphite"},{"name":"Kubernetes"},{"name":"Docker"}]` | - |
| language.primary | Go | Java |
| license.spdx | Apache-2.0 | LGPL-2.1 |
| market.availability | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | - |
| platform.support | `{"cli":true}` | `{"web":true}` |
| pricing | `{"type":"open_source","freeTier":true,"sourceUrl":"https://m3db.io","retrievedAt":"2026-08-14T08:30:20.373Z"}` | `{"type":"open_source","sourceUrl":"https://opentsdb.net/","retrievedAt":"2026-08-03T21:11:51.226Z"}` |
| pricing.free_tier | yes | - |
| pricing.model | open_source | open_source |
| pricing.price_level | free | free |
| release.cadence_days | 11 | 77 |
| release.history | `[{"url":"https://github.com/m3db/m3/releases/tag/v1.5.0","date":"2022-04-07T21:38:08Z","type":"stable","version":"v1.5.0"},{"url":"https://github.com/m3db/m3/releases/tag/v1.4.2","date":"2022-01-19T19:13:33Z","type":"stable","version":"v1.4.2"},{"url":"https://github.com/m3db/m3/releases/tag/v1.4.1","date":"2021-11-20T18:35:50Z","type":"stable","version":"v1.4.1"},{"url":"https://github.com/m3db/m3/releases/tag/v1.4.0","date":"2021-11-19T23:14:19Z","type":"stable","version":"v1.4.0"},{"url":"https://github.com/m3db/m3/releases/tag/v1.3.0","date":"2021-10-10T12:38:36Z","type":"stable","version":"v1.3.0"},{"url":"https://github.com/m3db/m3/releases/tag/v1.2.0","date":"2021-09-18T16:49:39Z","type":"stable","version":"v1.2.0"},{"url":"https://github.com/m3db/m3/releases/tag/v1.1.0","date":"2021-02-03T16:58:59Z","type":"stable","version":"v1.1.0"},{"url":"https://github.com/m3db/m3/releases/tag/v1.0.0-rc.2","date":"2020-11-19T10:32:24Z","type":"stable","version":"v1.0.0-rc.2"},{"url":"https://github.com/m3db/m3/releases/tag/v1.0.0","date":"2020-11-16T16:36:58Z","type":"stable","version":"v1.0.0"},{"url":"https://github.com/m3db/m3/releases/tag/v1.0.0-rc.1","date":"2020-11-19T10:29:05Z","type":"stable","version":"v1.0.0-rc.1"},{"url":"https://github.com/m3db/m3/releases/tag/v1.0.0-rc.0","date":"2020-11-09T22:23:25Z","type":"stable","version":"v1.0.0-rc.0"},{"url":"https://github.com/m3db/m3/releases/tag/v0.15.17-hotfix.5","date":"2020-12-11T20:04:47Z","type":"stable","version":"v0.15.17-hotfix.5"},{"url":"https://github.com/m3db/m3/releases/tag/v0.15.17-hotfix.4","date":"2020-12-07T08:08:20Z","type":"stable","version":"v0.15.17-hotfix.4"},{"url":"https://github.com/m3db/m3/releases/tag/v0.15.17-hotfix.2","date":"2020-10-28T19:59:03Z","type":"stable","version":"v0.15.17-hotfix.2"},{"url":"https://github.com/m3db/m3/releases/tag/v0.15.17-hotfix.1","date":"2020-10-28T19:40:31Z","type":"stable","version":"v0.15.17-hotfix.1"},{"url":"https://github.com/m3db/m3/releases/tag/v0.15.17-hotfix.3","date":"2020-11-17T23:03:59Z","type":"stable","version":"v0.15.17-hotfix.3"},{"url":"https://github.com/m3db/m3/releases/tag/v0.15.17-hotfix.0","date":"2020-10-23T19:02:15Z","type":"stable","version":"v0.15.17-hotfix.0"},{"url":"https://github.com/m3db/m3/releases/tag/v0.15.17","date":"2020-10-08T14:27:35Z","type":"stable","version":"v0.15.17"},{"url":"https://github.com/m3db/m3/releases/tag/v0.15.16","date":"2020-10-02T06:41:52Z","type":"stable","version":"v0.15.16"},{"url":"https://github.com/m3db/m3/releases/tag/v0.15.15","date":"2020-09-21T02:01:35Z","type":"stable","version":"v0.15.15"}]` | `[{"url":"https://github.com/OpenTSDB/opentsdb/releases/tag/v2.5.0RC1","date":"2024-12-12T20:03:34Z","type":"prerelease","version":"v2.5.0RC1"},{"url":"https://github.com/OpenTSDB/opentsdb/releases/tag/v2.4.1","date":"2021-09-02T22:28:30Z","type":"stable","version":"v2.4.1"},{"url":"https://github.com/OpenTSDB/opentsdb/releases/tag/v2.4.0","date":"2018-12-17T02:38:32Z","type":"stable","version":"v2.4.0"},{"url":"https://github.com/OpenTSDB/opentsdb/releases/tag/v2.3.2","date":"2018-12-17T01:08:47Z","type":"stable","version":"v2.3.2"},{"url":"https://github.com/OpenTSDB/opentsdb/releases/tag/v2.3.1","date":"2018-05-22T00:27:14Z","type":"stable","version":"v2.3.1"},{"url":"https://github.com/OpenTSDB/opentsdb/releases/tag/v2.4.0RC2","date":"2017-10-09T04:53:29Z","type":"prerelease","version":"v2.4.0RC2"},{"url":"https://github.com/OpenTSDB/opentsdb/releases/tag/v2.3.0","date":"2016-12-31T20:18:53Z","type":"stable","version":"v2.3.0"},{"url":"https://github.com/OpenTSDB/opentsdb/releases/tag/v2.2.2","date":"2016-12-29T18:35:21Z","type":"stable","version":"v2.2.2"},{"url":"https://github.com/OpenTSDB/opentsdb/releases/tag/v2.3.0RC2","date":"2016-10-08T19:28:41Z","type":"prerelease","version":"v2.3.0RC2"},{"url":"https://github.com/OpenTSDB/opentsdb/releases/tag/v2.2.1","date":"2016-10-08T19:07:28Z","type":"stable","version":"v2.2.1"},{"url":"https://github.com/OpenTSDB/opentsdb/releases/tag/v2.3.0RC1","date":"2016-05-02T19:00:34Z","type":"prerelease","version":"v2.3.0RC1"},{"url":"https://github.com/OpenTSDB/opentsdb/releases/tag/v2.2.0","date":"2016-02-15T01:45:12Z","type":"stable","version":"v2.2.0"},{"url":"https://github.com/OpenTSDB/opentsdb/releases/tag/v2.1.4","date":"2016-02-14T21:37:37Z","type":"stable","version":"v2.1.4"},{"url":"https://github.com/OpenTSDB/opentsdb/releases/tag/v2.2.0RC3","date":"2015-11-11T21:06:00Z","type":"prerelease","version":"v2.2.0RC3"},{"url":"https://github.com/OpenTSDB/opentsdb/releases/tag/v2.1.3","date":"2015-11-11T20:54:21Z","type":"stable","version":"v2.1.3"},{"url":"https://github.com/OpenTSDB/opentsdb/releases/tag/v2.2.0RC2","date":"2015-11-10T02:20:02Z","type":"prerelease","version":"v2.2.0RC2"},{"url":"https://github.com/OpenTSDB/opentsdb/releases/tag/v2.1.2","date":"2015-11-10T01:15:06Z","type":"stable","version":"v2.1.2"},{"url":"https://github.com/OpenTSDB/opentsdb/releases/tag/v2.2.0RC1","date":"2015-09-12T20:50:35Z","type":"prerelease","version":"v2.2.0RC1"},{"url":"https://github.com/OpenTSDB/opentsdb/releases/tag/2.1.1","date":"2015-09-12T19:49:38Z","type":"stable","version":"2.1.1"},{"url":"https://github.com/OpenTSDB/opentsdb/releases/tag/v2.1.0","date":"2015-05-07T04:46:55Z","type":"stable","version":"v2.1.0"}]` |
| reliability.status_page | - | yes |
| security.scorecard | 3.3 | 2.5 |
| security.vulnerabilities | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=github.com%2Fm3db%2Fm3&per_page=100","last_12m":0,"max_severity":null}` | `{"count":7,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=maven&package_name=net.opentsdb%3Aopentsdb&per_page=100","last_12m":0,"max_severity":"CRITICAL"}` |

## Capabilities (Time-Series Databases)

| Capability | M3DB | OpenTSDB |
|---|:--:|:--:|
| **Query** |  |  |
| Query language (SQL / PromQL / InfluxQL-Flux / Graphite) | PromQL, Graphite | - |
| SQL compatibility | Non-SQL | - |
| **Ingest** |  |  |
| Ingest model | Push | Push |
| **Model** |  |  |
| Data model | Metrics (labels/tags) | Metrics (labels/tags) |
| **Lifecycle** |  |  |
| Downsampling / rollups | Retention policies | Continuous aggregates |
| Retention / TTL | Automatic | Manual |
| **Storage** |  |  |
| Compression (columnar / delta / Gorilla) | columnar | - |
| **Performance** |  |  |
| High-cardinality handling | 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: Vioscale. Generated 2026-09-01T16:53:54.008Z. "-" = undocumented, not absent.*