Blog

Engineering
What Is a Columnar Database? (2026 Guide)
A practitioner's guide to columnar databases: what they are, why they reshaped analytics, when to use one, and when to stick with Postgres. Updated for 2026.

Community
The Dive: Arc Community Forum Is Live

Tutorials
Send Home Assistant Data to Arc, Queryable Forever

Engineering
Arc Enterprise Deployment Patterns: Shared Storage vs Local

Product
Arc 26.05.1: Enterprise GA. Helm, Replication, Failover, Hardening.

Engineering
Continuous Queries in Arc: Automatic Downsampling That Just Works

Engineering
5 InfluxDB Alternatives in 2026: An Honest Comparison

Engineering
Why Your AI Agent Observability Tool Is Wrong About Memory

Engineering
Retention Policies in Arc: How We Delete Data Without Rewriting Files

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.
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