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Building a Reliable PostgreSQL Queue: Concurrency, Crashes, Retries, and Scale

By Rowland Ekemezie on Sep 09, 2026

We get into building a background task processor using PostgreSQL. It seems easy at first, but there are lots of pitfalls as a system like this scales.

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Rowland Ekemezie
Rowland Ekemezie
I build reliable software systems, write about engineering practice, and care deeply about the human systems that shape strong teams.
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