Postgres

Tag: postgres

Index Bloat in Postgres: Why It Matters, How to Identify, How to Resolve

Index Bloat in Postgres: Why It Matters, How to Identify, How to Resolve

By Kendra Little on December 1, 2025

Category: indexing , postgresql
Tags: index-bloat , vacuum , concurrent-index-rebuild , reindex , postgres , index-maintenance , autovacuum

Index bloat in Postgres can cause problems, but it’s easy to miss.

I’ve written about how vacuum problems can prevent PostgreSQL from using covering indexes, and index bloat is one of the things that can make vacuum struggle.

Here’s what you need to know about index bloat, how to find it, and how to fix it.

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