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Find PostgreSQL Index Bloat and Wasted Space
Mar 31, 2026 / · 5 min read · postgresql performance indexing optimization database pg_class pg_index pg_namespace pg_stats pg_am pg_attribute pg_stat_user_indexes ·How to Find Index Bloat and Wasted Space in PostgreSQL Just like tables, PostgreSQL indexes can become bloated over time. When rows are updated or deleted, the old index entries are not removed immediately. They stay in the index as dead entries, wasting space and slowing down index scans. B-tree indexes are the most …
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