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Comparison · Analytics
OpenObserve vs Apache StreamPark
A side-by-side editorial comparison of OpenObserve and Apache StreamPark — release velocity, themes, recent moves, and the top alternatives to consider.
OpenObserve vs Apache StreamPark: at a glance
What is OpenObserve?
OpenObserve 1.2.0-rc2 is a long fix list that closes a cross-tenant write gap.
OpenObserve opened its 1.2 cycle with rc1, led by metrics v2: alerts created from charts, comparisons, forecasts, formulas and Prometheus 3.x functions. rc2 is a large batch of fixes across the new surfaces, including blocking cross-tenant writes through function updates and remote destinations, scoping service graphs and alert lists to what a user may read, and polish for an On-Call module now tagged beta. Fleet, RUM, Kubernetes and synthetics views also got fixes.
What is Apache StreamPark?
Five release candidates in two years, none of them stable, and none since October 2025.
StreamPark's tracked feed holds five release candidates spanning April 2024 to October 2025, and the notes are extremely thin — three of the five describe a single change each, one of them a Vue router naming bug. The most substantial entry, v2.1.7-rc1, lists four items: Maven argument validation, a license header consistency fix, a login authentication refinement and a Flink configuration file retrieval fix. No stable release appears anywhere in this record.
OpenObserve vs Apache StreamPark: editorial side-by-side
OpenObserve
5.0ANALYTICS
OpenObserve 1.2.0-rc2 is a long fix list that closes a cross-tenant write gap.
◆ Current state
OpenObserve opened its 1.2 cycle with rc1, led by metrics v2: alerts created from charts, comparisons, forecasts, formulas and Prometheus 3.x functions. rc2 is a large batch of fixes across the new surfaces, including blocking cross-tenant writes through function updates and remote destinations, scoping service graphs and alert lists to what a user may read, and polish for an On-Call module now tagged beta. Fleet, RUM, Kubernetes and synthetics views also got fixes.
◆ Where it's heading
The 1.2 cycle is wider than metrics: rc2's fixes reveal on-call scheduling, fleet management, RUM, synthetics and incident root-cause features heading into the release. Several fixes tighten tenant and permission boundaries, which suggests multi-tenant and enterprise deployments are a priority before 1.2 goes stable.
◆ Prediction
Expect one more release candidate or a 1.2.0 stable soon, followed by 1.2.x backport patches as the 1.1 line had.
Apache StreamPark
0.0ANALYTICS
Five release candidates in two years, none of them stable, and none since October 2025.
◆ Current state
StreamPark's tracked feed holds five release candidates spanning April 2024 to October 2025, and the notes are extremely thin — three of the five describe a single change each, one of them a Vue router naming bug. The most substantial entry, v2.1.7-rc1, lists four items: Maven argument validation, a license header consistency fix, a login authentication refinement and a Flink configuration file retrieval fix. No stable release appears anywhere in this record.
◆ Where it's heading
Nothing in these entries describes new capability for the stream processing platform itself. The changes cluster around build tooling, authentication and the web console — the periphery of the product rather than its Flink and Spark job management core. Combined with a cadence of roughly two releases a year and a nine-month gap since the last one, the visible signal is a project in low-activity maintenance.
◆ Prediction
The entries do not support a prediction about direction. What they do warrant is checking whether development moved somewhere this feed does not capture, since a stream processing platform with no stable releases on record is more likely a tracking gap than a complete picture.
Alternatives to OpenObserve and Apache StreamPark
Other Analytics products tracked by Sparkpulse, ranked by recent ship velocity. Each card links to a full editorial trajectory and lets you pivot into a head-to-head comparison with either OpenObserve or Apache StreamPark.
Dovetail
Dovetail lets admins choose which connectors members can plug into the workspace.
Dagster
Dagster drops Python 3.10 and lets agents run schedules and sensors through MCP.
OpenHouse
OpenHouse adds time-zone-aware retention and per-database table caps.
Countly
Countly 25.03.59 defaults to Node 26, supports MongoDB 9 and tightens app scoping.
Kubecost
Kubecost cuts three 3.3.2 release candidates in two days, still without notes.
See all OpenObserve alternatives → · See all Apache StreamPark alternatives →
Recent activity from OpenObserve and Apache StreamPark
Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.
- 1d agoOpenObserve1.2.0-rc2 blocks cross-tenant writes, polishes On-Call beta
- 9d agoOpenObserveOpenObserve 1.2.0-rc1: metrics v2 with chart alerts and forecasts
- 25d agoOpenObservev1.1.2: PromQL streaming fix plus five backported fixes
- 29d agoOpenObservev1.1.1: indexing fsync fix, metrics index and WAL pack always on
- 1mo agoOpenObserveOpenObserve 1.1.0 goes stable after three release candidates
- 1mo agoOpenObservev1.1.0-rc3: auth-salt fix, Product Analytics put behind a flag
- 1y agoApache StreamParkLogin authentication refined and Flink config retrieval fixed
- 1y agoApache StreamParkVue router naming bug fixed
- 2y agoApache StreamParkMinor application backup improvements
- 2y agoApache StreamParkConcurrent running build projects now capped
- 2y agoApache StreamParkMember permission check improvement
Frequently asked questions
What is the difference between OpenObserve and Apache StreamPark?
They serve adjacent needs but don't currently overlap on shipped themes. OpenObserve is currently shipping more aggressively (velocity 5.0 vs 0.0), with 0 editorial sparks in the last 30 days against 0. See the at-a-glance table above for a side-by-side breakdown of velocity, recent sparks, and editorial themes.
Is OpenObserve better than Apache StreamPark?
Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. OpenObserve is currently shipping more aggressively (velocity 5.0 vs 0.0), with 0 editorial sparks in the last 30 days against 0. For your specific use case, the alternatives sections above list other Analytics products to evaluate alongside.
What are the best alternatives to OpenObserve?
Top OpenObserve alternatives in Analytics are ranked by recent ship velocity. Browse the "OpenObserve alternatives" section above for the current picks, or visit /alternatives/openobserve for the full list with editorial commentary on each.
What are the best alternatives to Apache StreamPark?
Top Apache StreamPark alternatives in Analytics are ranked by recent ship velocity. Browse the "Apache StreamPark alternatives" section above for the current picks, or visit /alternatives/streampark for the full list with editorial commentary on each.