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Comparison · DevOps

Apache Arrow Rust vs Rivet

A side-by-side editorial comparison of Apache Arrow Rust and Rivet — release velocity, themes, recent moves, and the top alternatives to consider.

Shared themes:rust

Apache Arrow Rust vs Rivet: at a glance

FeatureApache Arrow RustRivet
SectorDevOpsDevOps
Velocity score5.07.5
Sparks · 30d03
Top themesapache arrow, rust, parquet, backportsactors, ai agents, sqlite, forking
Last editorial update13h ago2d ago
WebsiteVisit →—

What is Apache Arrow Rust?

Arrow Rust cuts release candidates on three older lines at once.

Arrow Rust shipped 60.1.0 on October 28, with Parquet encryption keys redacted from Debug output and read-ahead planning in the push decoder, after 59.3.2 and 58.4.1 fixed a use-after-free in Buffer::shrink_to_fit. On November 13 the 57, 58 and 59 maintenance lines tagged release candidates for 57.3.3, 58.4.2 and 59.3.3 within a minute of each other. The tags carry only version bumps; the changelogs are not in the feed.

Read the full Apache Arrow Rust trajectory →

What is Rivet?

Rivet Actors can now fork in 20 ms, SQLite database included, without copying data.

Rivet builds infrastructure for long-lived actors and AI agents: BYOC, OpenTelemetry tracing, actor-scoped JWTs and agentOS Hosted VMs. The 3.0 Preview made Rivet a single stateless binary on S3, and the Rust SDK reached general availability on 6 November. On 11 November Rivet added actor forking: a fork starts in 20 ms with the original actor's state and SQLite database and costs nothing until it writes.

Read the full Rivet trajectory →

Apache Arrow Rust vs Rivet: editorial side-by-side

A5.0

Arrow Rust cuts release candidates on three older lines at once.

◆ Current state

Arrow Rust shipped 60.1.0 on October 28, with Parquet encryption keys redacted from Debug output and read-ahead planning in the push decoder, after 59.3.2 and 58.4.1 fixed a use-after-free in Buffer::shrink_to_fit. On November 13 the 57, 58 and 59 maintenance lines tagged release candidates for 57.3.3, 58.4.2 and 59.3.3 within a minute of each other. The tags carry only version bumps; the changelogs are not in the feed.

◆ Where it's heading

The project keeps four major lines alive and patches them together, so downstream users on older Arrow versions still get fixes. Feature work stays on the 60 line.

◆ Prediction

Expect the three patch releases to publish after the vote period, and a 60.2.0 or 61.0.0 candidate to follow.

R
Rivet
DEVOPS
7.5

Rivet Actors can now fork in 20 ms, SQLite database included, without copying data.

◆ Current state

Rivet builds infrastructure for long-lived actors and AI agents: BYOC, OpenTelemetry tracing, actor-scoped JWTs and agentOS Hosted VMs. The 3.0 Preview made Rivet a single stateless binary on S3, and the Rust SDK reached general availability on 6 November. On 11 November Rivet added actor forking: a fork starts in 20 ms with the original actor's state and SQLite database and costs nothing until it writes.

◆ Where it's heading

Rivet keeps turning its S3-backed storage engine into features for agent workloads. Copy-on-write forking follows from the 3.0 storage design and gives agents a cheap way to branch a session, try something and discard it. The SDK and auth work of the past two months points to Rivet positioning actors as the runtime for agent backends.

◆ Prediction

Forking is likely to show up next in agentOS and the Pi integrations as a way to branch agent runs; the entries do not say when 3.0 leaves preview.

Alternatives to Apache Arrow Rust and Rivet

Other DevOps 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 Arrow Rust or Rivet.

See all Apache Arrow Rust alternatives → · See all Rivet alternatives →

Recent activity from Apache Arrow Rust and Rivet

Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.

  1. 1d agoApache Arrow RustArrow Rust 57.3.3 release candidate
  2. 1d agoApache Arrow RustArrow Rust 58.4.2 release candidate
  3. 1d agoApache Arrow RustArrow Rust 59.3.3 release candidate
  4. 2d agoRivetIntroducing OpenOrange: Run Cloudflare Workers Anywhere ⚡
  5. 3d agoRivetIntroducing Actor Forking for SQLite ⚡
  6. 8d agoRivetRust SDK for Rivet Actors Is Now Generally Available
  7. 17d agoApache Arrow RustArrow 60.1.0: Parquet key redaction and read-ahead planning
  8. 19d agoApache Arrow Rustarrow 58.4.1
  9. 19d agoApache Arrow Rustarrow 59.3.2
  10. 19d agoRivetIntroducing Rivet 3.0 Preview ⚡
  11. 1mo agoRivetIntroducing agentOS 0.4 & Hosted VMs
  12. 1mo agoRivetIntroducing Pi Durable for Rivet

Frequently asked questions

What is the difference between Apache Arrow Rust and Rivet?

Both compete on the same themes — rust — within DevOps. Rivet is currently shipping more aggressively (velocity 7.5 vs 5.0), with 3 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 Arrow Rust better than Rivet?

Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. Rivet is currently shipping more aggressively (velocity 7.5 vs 5.0), with 3 editorial sparks in the last 30 days against 0. For your specific use case, the alternatives sections above list other DevOps products to evaluate alongside.

What are the best alternatives to Apache Arrow Rust?

Top Apache Arrow Rust alternatives in DevOps are ranked by recent ship velocity. Browse the "Apache Arrow Rust alternatives" section above for the current picks, or visit /alternatives/arrow-rs for the full list with editorial commentary on each.

What are the best alternatives to Rivet?

Top Rivet alternatives in DevOps are ranked by recent ship velocity. Browse the "Rivet alternatives" section above for the current picks, or visit /alternatives/rivet for the full list with editorial commentary on each.