Glances
Glances 4.5.9 closes out the 4.x line as a 5.0 beta opens for testing.
Comparison · Analytics
Grafana Loki vs Apache StreamPark
A side-by-side editorial comparison of Grafana Loki and Apache StreamPark — release velocity, themes, recent moves, and the top alternatives to consider.
Grafana Loki vs Apache StreamPark: at a glance
What is Grafana Loki?
Loki 4.0 reaches RC3 and narrows S3 storage classes to Standard and Standard-IA.
Loki 4.0 is moving through release candidates. RC1's notes list the breaking changes: the V2 query engine unplugged, Simple Scalable Deployment targets and old /api/prom endpoints removed, protobuf as the default frontend encoding, and several deprecated settings and metrics dropped. RC2 removed every index backend but TSDB, and RC3 adds one more break, limiting S3 storage classes to STANDARD and STANDARD_IA, plus a compactor delete fix.
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.
Grafana Loki vs Apache StreamPark: editorial side-by-side
Grafana Loki
6.3ANALYTICS
Loki 4.0 reaches RC3 and narrows S3 storage classes to Standard and Standard-IA.
◆ Current state
Loki 4.0 is moving through release candidates. RC1's notes list the breaking changes: the V2 query engine unplugged, Simple Scalable Deployment targets and old /api/prom endpoints removed, protobuf as the default frontend encoding, and several deprecated settings and metrics dropped. RC2 removed every index backend but TSDB, and RC3 adds one more break, limiting S3 storage classes to STANDARD and STANDARD_IA, plus a compactor delete fix.
◆ Where it's heading
Each candidate trims a bit more legacy surface, so 4.0 is a cleanup major that pushes installs onto TSDB and the microservices or single-binary layouts. The Operator had prepared this path since 0.11 and 0.12.
◆ Prediction
Expect a few more RCs with small breaking changes, then 4.0.0 GA and an Operator release that drops the removed schemas.
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 Grafana Loki 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 Grafana Loki or Apache StreamPark.
Calibre
Calibre MCP lets your coding agent read RUM and Lighthouse data, then fix the slow code
Dovetail
Dovetail opens its docs to Claude and ChatGPT as co-authors.
Apache SkyWalking
SkyWalking 11.1 builds service maps from OpenTelemetry traces, no SkyWalking agent required.
OpenReplay
OpenReplay's feed is Helm chart bumps behind its asset-cacher deny list.
Tinybird
Tinybird shrinks its Local image by a third after a run of observability updates.
See all Grafana Loki alternatives → · See all Apache StreamPark alternatives →
Recent activity from Grafana Loki and Apache StreamPark
Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.
- 2d agoGrafana LokiLoki 4.0 RC3 limits S3 storage classes to Standard and IA
- 4d agoGrafana LokiLoki 4.0 RC1 lists the breaking changes for the major
- 5d agoGrafana LokiLoki 4.0 RC drops legacy storage backends and SSD mode ⚡
- 18d agoGrafana LokiLoki Helm chart 7.5.0 released
- 1mo agoGrafana LokiLoki Operator 0.12 requires schemas, adds OpenShift 5.0 TLS
- 2mo agoGrafana LokiLoki Operator 0.11 enables multi-variant queries
- 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 Grafana Loki and Apache StreamPark?
They serve adjacent needs but don't currently overlap on shipped themes. Grafana Loki is currently shipping more aggressively (velocity 6.3 vs 0.0), with 1 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 Grafana Loki better than Apache StreamPark?
Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. Grafana Loki is currently shipping more aggressively (velocity 6.3 vs 0.0), with 1 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 Grafana Loki?
Top Grafana Loki alternatives in Analytics are ranked by recent ship velocity. Browse the "Grafana Loki alternatives" section above for the current picks, or visit /alternatives/loki 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.