PgDog: The Future of Horizontal PostgreSQL Sharding

Thu, 11 Jun 2026 02:31:51 +0000

For over three decades, PostgreSQL has been the bedrock of modern software development. From small side projects to massive enterprise systems, it has earned its reputation as the most reliable, extensible, and feature-rich relational database in the world. However, even the “world’s most advanced open-source database” has a ceiling. When a company experiences explosive growth—think of a fast-growing Indian fintech startup or a quick-commerce giant like Zepto—they eventually hit the “Postgres Wall.” This is the point where a single database node can no longer handle the sheer volume of write traffic or the terabytes of data being poured into it.

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PgDog: The Future of Horizontal PostgreSQL Sharding