TLDR Tech / Practical
Everyone into the Pool
The article evaluates five PostgreSQL connection poolers—Pgpool-II, PgBouncer, RDS Proxy, PgCat, and PgDog—comparing their process models, pooling modes, and handling of session state. It notes that while PgBouncer remains the standard recommendation for simple pooling, newer tools like PgDog offer built-in SQL parsing and sharding capabilities. Ultimately, the author recommends selecting a pooler based on specific architectural needs such as read/write splitting or session state management.
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