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Lionel Palacin

Senior Product Marketing Engineer at ClickHouse

Lionel Palacin is a product marketing engineer at ClickHouse where he builds public demos to show users the product in action and write blog articles about it. Before that, he spent several years at Elastic working with customers and writing about the stack.

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Blog posts by Lionel Palacin

Showing 6 of 21 articles

the end to end cost performance of real time analytics snowflake vs clickhouse cloud
Engineering

The end-to-end cost-performance of real-time analytics: Snowflake vs. ClickHouse Cloud

Tom Schreiber, Mark Needham and Lionel Palacin · Jun 23, 2026
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Engineering

CostBenchのご紹介: データウェアハウスのコストパフォーマンスを測るオープンベンチマーク

Tom Schreiber and Lionel Palacin · 2026年5月27日
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Engineering

Introducing CostBench: an open benchmark for data warehouse cost-performance

Tom Schreiber and Lionel Palacin · May 27, 2026
photolibrary
Engineering

Agentic analytics starts with query-ready data: the write-side cost of Snowflake vs. ClickHouse

Tom Schreiber and Lionel Palacin · May 6, 2026
blog banner for analytical log search at scale clickhouse vs elasticsearch
Engineering

Do you still need Elasticsearch for log analytics? ClickHouse says no.

Tom Schreiber and Lionel Palacin · Apr 23, 2026
postgres bench banner
Engineering

PostgresBench: A Reproducible Benchmark for Postgres Services

Lionel Palacin · Apr 2, 2026

Resources by Lionel Palacin

The definitive guide to ClickHouse query optimization (2026)

Al Brown, Tom Schreiber and Lionel Palacin • Last updated: Jan 26, 2026

Master ClickHouse query optimization through architectural understanding. Learn why ORDER BY design can improve performance 100×, plus proven techniques for trillion-row millisecond queries.

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