Kornel Lesiński

Kornel Lesiński is a software engineer who writes in-depth tutorials on Java, multithreading, performance optimization, Hibernate, and PostgreSQL query tuning. His blog focuses on practical debugging, system performance, and real-world engineering problems.

https://korhner.github.io
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1/29/2026
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Kornel Lesiński Java performance multithreading PostgreSQL tuning Hibernate optimization
Kornel Lesiński

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