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Comparison · Analytics
Apache TsFile vs Grafana Mimir
A side-by-side editorial comparison of Apache TsFile and Grafana Mimir — release velocity, themes, recent moves, and the top alternatives to consider.
Apache TsFile vs Grafana Mimir: at a glance
What is Apache TsFile?
TsFile is quietly rebuilding itself as an Arrow-speaking interchange format
Apache TsFile is the columnar time-series file format underlying IoTDB, maintained as three parallel implementations in Java, C++ and Python. Recent releases have concentrated on the C++ and Python ends: SIMD paths and parallel reads in 2.4.0, an Arrow-compatible result path from C++ through to Python DataFrames in 2.3.0, and conversion scripts from CSV, Parquet and Arrow into TsFile in 2.3.1. The Java side gets steadier, smaller work — serialized-size calculation, schema modification during writes, encryption configuration.
What is Grafana Mimir?
Mimir's feed is a weekly Helm bot, with the 3.2 candidate the only real release in months
The visible cadence is an automated weekly Helm chart release opened by a bot with a two-line body, now at 6.3.0-weekly.408. The only substantive entry in the window is the 3.2.0 release candidate from early August, which carried query engine work and native histogram support.
Apache TsFile vs Grafana Mimir: editorial side-by-side
Apache TsFile
2.5ANALYTICS
TsFile is quietly rebuilding itself as an Arrow-speaking interchange format
◆ Current state
Apache TsFile is the columnar time-series file format underlying IoTDB, maintained as three parallel implementations in Java, C++ and Python. Recent releases have concentrated on the C++ and Python ends: SIMD paths and parallel reads in 2.4.0, an Arrow-compatible result path from C++ through to Python DataFrames in 2.3.0, and conversion scripts from CSV, Parquet and Arrow into TsFile in 2.3.1. The Java side gets steadier, smaller work — serialized-size calculation, schema modification during writes, encryption configuration.
◆ Where it's heading
The centre of gravity has moved from format features to ecosystem reach. Arrow-backed DataFrames and format converters are not about storing time series better; they are about making TsFile readable by the Python analytics stack without a translation layer, which is the gap that keeps a specialized format confined to its own database. The C++ performance work in 2.4.0 serves the same end, since the Python bindings sit on top of it. Version numbering runs on two lines at once, with 1.1.x backports still shipping alongside the 2.x series.
◆ Prediction
Given the direction of the Arrow work, the Python interface is the most likely target for further capability rather than the Java one. The notes do not indicate when the 1.1 maintenance line ends.
Grafana Mimir
5.0ANALYTICS
Mimir's feed is a weekly Helm bot, with the 3.2 candidate the only real release in months
◆ Current state
The visible cadence is an automated weekly Helm chart release opened by a bot with a two-line body, now at 6.3.0-weekly.408. The only substantive entry in the window is the 3.2.0 release candidate from early August, which carried query engine work and native histogram support.
◆ Where it's heading
Packaging and the engine move on separate clocks: the chart ships weekly regardless of whether anything changed underneath, while Mimir itself cuts a minor roughly monthly. The weekly stream tells you nothing about direction and will keep dominating the feed by volume.
◆ Prediction
The chart line moving from 6.2.0-weekly to 6.3.0-weekly points at a 6.3.0 chart release carrying Mimir 3.2 once the candidate goes final.
Alternatives to Apache TsFile and Grafana Mimir
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 Apache TsFile or Grafana Mimir.
Omni
Omni ships weekly, and almost every week the headline item is an AI feature.
silx
silx settles into maintenance a release after its PySide6 migration
Plotly
Plotly is turning its cloud into a metered compute platform with an enterprise on-ramp.
aniread
aniread stops asking you to know which tracker wrote the file
Rho
Rho's release machinery finally produced a stable build — and it shipped no new product.
See all Apache TsFile alternatives → · See all Grafana Mimir alternatives →
Recent activity from Apache TsFile and Grafana Mimir
Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.
- 2d agoGrafana MimirAutomated weekly Helm chart release 6.3.0-weekly.408
- 9d agoGrafana Mimirmimir-distributed-6.2.0-weekly.407: Release mimir-distributed Helm chart 6.2.0-weekly.407 (#16334)
- 15d agoGrafana Mimirmimir-distributed-6.2.0-weekly.406: Release mimir-distributed Helm chart 6.2.0-weekly.406 (#16287)
- 16d agoGrafana MimirMimir 3.2 RC: query engine work and native histogram support
- 27d agoApache TsFileSIMD and parallel read paths in Apache TsFile 2.4.0
- 1mo agoGrafana Mimirmimir-distributed-6.2.0-weekly.402: Release mimir-distributed Helm chart 6.2.0-weekly.402 (#15973)
- 1mo agoGrafana Mimirmimir-distributed-6.2.0-weekly.401: Release mimir-distributed Helm chart 6.2.0-weekly.401 (#15877)
- 2mo agoApache TsFileCSV, Parquet and Arrow conversion scripts for TsFile 2.3.1
- 3mo agoApache TsFileArrow-backed DataFrames and paginated reads in TsFile 2.3.0
- 3mo agoApache TsFileWrite-time schema changes and read/write encryption in TsFile 2.2.1
- 7mo agoApache TsFilePython text types and C++ tag filtering in TsFile 2.2.0
- 7mo agoApache TsFileBackport maintenance on the TsFile 1.1 line
Frequently asked questions
What is the difference between Apache TsFile and Grafana Mimir?
They serve adjacent needs but don't currently overlap on shipped themes. Grafana Mimir is currently shipping more aggressively (velocity 5.0 vs 2.5), 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 Apache TsFile better than Grafana Mimir?
Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. Grafana Mimir is currently shipping more aggressively (velocity 5.0 vs 2.5), 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 Apache TsFile?
Top Apache TsFile alternatives in Analytics are ranked by recent ship velocity. Browse the "Apache TsFile alternatives" section above for the current picks, or visit /alternatives/apache-tsfile for the full list with editorial commentary on each.
What are the best alternatives to Grafana Mimir?
Top Grafana Mimir alternatives in Analytics are ranked by recent ship velocity. Browse the "Grafana Mimir alternatives" section above for the current picks, or visit /alternatives/grafana-mimir for the full list with editorial commentary on each.