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Idle PostgreSQL Transactions and Table Bloat

Umair Shahid notes that some tables are feeling a bit bloated:

Yup, you read it right. Idle transactions can cause massive table bloat that the vacuum process may not be able to address. Bloat causes degradation in performance and can keep encroaching disk space with dead tuples. 

This blog delves into how idle transactions cause table bloat, why this is problematic, and practical strategies to avoid it.

Read on to understand how this can be and what you can do about it. And do check out the comments for a quick explanation of why connection pooling doesn’t exhibit this same problem.

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