Blog

Engineering
Retention Policies in Arc: How We Delete Data Without Rewriting Files
Arc's retention policies delete expired data at the Parquet file level — no row rewrites, no table locks, no downtime. Configure TTL per measurement for logs, IoT, and analytical workloads.

Engineering
Arc on ClickBench: DuckDB. The Engine Inside the Engine.

Tutorials
Chat with Your Arc Data: Connect Claude Desktop via MCP

Engineering
How Parquet Compaction Works in Arc (and Why It Runs in a Subprocess)

Engineering
Arc on ClickBench: StarRocks. This One Depends on the Machine.

Engineering
Arc Output Plugin for Redpanda Connect: Stream Any Source into Arc

Product
Arc Cloud Is Live: Managed Arc, No Infrastructure Required

Engineering
Arc on ClickBench: CrateDB. 50x on Ingestion, Not Close on Analytics.

Tutorials
Monitor Indoor Air Quality with a Raspberry Pi and Arc — Temperature, Humidity, CO2, and TVOC in One Python Script

Product
Arc 26.04.1: Native Arrow Query Path, Security Audit, and a Lot of Things That Quietly Got Better

Engineering
Arc on ClickBench: Elasticsearch. This One Isn't Close Either.

Community
Arc is Hitting the Road — Introducing the Arc Roadshow 2026

Engineering
Arc 26.03.2 — Critical Compaction Fix
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