Performance Articles

Performance engineering for analytics: Query optimization, columnar storage, and vectorized execution. Real benchmarks and production latency wins.

One Billion Rows
FEBRUARY 17TH, 2026
Sylvain Utard

One Billion Rows

Product, Performance, Engineering

At 1 billion rows, every shortcut comes back to collect interest. Here's how we achieved sub-second queries with near-realtime ingestion.

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Pruning Top-N Queries
FEBRUARY 3RD, 2026
Sylvain Utard

Pruning Top-N Queries

Open Source, Performance, Architecture

A deep dive into DuckLake PR #668 and how Top-N dynamic filter pruning turns ORDER BY + LIMIT from full scans into metadata-driven execution.

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Lessons from Search
JANUARY 13TH, 2026
Sylvain Utard

Lessons from Search

Performance, Architecture, Engineering

Real-time analytics faces the small-file problem search engines solved. DuckLake's tiered compaction brings those merge strategies to streaming analytics.

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Stop Batching Analytics
DECEMBER 30TH, 2025
Sylvain Utard

Stop Batching Analytics

Analytics, Architecture, Performance

Why we're forcing analytics through complex batch pipelines when append-only data should work like logs. The warehouse constraint that stopped making sense.

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Speed Shapes Understanding
OCTOBER 7TH, 2025
Sylvain Utard

Speed Shapes Understanding

Performance, Product

Speed isn't just a luxury: it's the difference between insight and inertia. We've been deep in TPC-H benchmarks, tuning our analytical engine for AI agents.

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NetQuack 4000x Faster
SEPTEMBER 30TH, 2025
Sylvain Utard

NetQuack 4000x Faster

Performance, Engineering

We rewrote NetQuack DuckDB extension, replacing regex with character parsing. Result: 4000x faster—37 seconds down to 0.012 seconds.

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Rethinking the Lakehouse
JULY 30TH, 2025
Yannick Utard

Rethinking the Lakehouse

Architecture, Performance, Data Stack

Breaking down our storage and query architecture: why we're leaning into Apache Iceberg and why DuckDB is emerging as our real-time query engine of choice.

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