Compare PostgreSQL vacuum strategies and autotuning parameters for heavily updated tables experiencing severe index bloat
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Fan-out diagram
The searches the AI actually ran for this prompt.
SEED QUERY
Compare PostgreSQL vacuum strategies and autotuning parameters for heavily updated tables experiencing severe index bloat
3 real searches · 1 real-search pass
PostgreSQL current documentation routine vacuuming autovacuum vacuum parameters index cleanup 2026Google ↗
OBSERVEDInstruction
PostgreSQL documentation autovacuum tuning scale factor threshold cost limit cost delay per table storage parametersGoogle ↗
OBSERVEDInstruction
PostgreSQL REINDEX CONCURRENTLY documentation pg_repack index bloat heavily updated tablesGoogle ↗
OBSERVEDConsequence
Badge and edge weight = share of passes that produced the query. Hover a query for its intent and routing format.
Query classes
Google's semantic query class for every sub-query: what kind of answer each search is after, simulated vs real.
ChatGPT real searches (3)
Classes come from the query-classifier (a local Laya model). 2 of 3 calls are low-confidence (under 50%) — hover a query in the table to see its confidence.
Searches and sources
ChatGPT3 real searches · gpt-6
PostgreSQL current documentation routine vacuuming autovacuum vacuum parameters index cleanup 2026 Google ↗
PostgreSQL documentation autovacuum tuning scale factor threshold cost limit cost delay per table storage parameters Google ↗
PostgreSQL REINDEX CONCURRENTLY documentation pg_repack index bloat heavily updated tables Google ↗
- PostgreSQL: Documentation: 18: 19.10. Vacuuming · postgresql.org
- 25.1. Routine Vacuuming · postgresql.org
- PostgreSQL: Documentation: 18: CREATE TABLE · postgresql.org
- PostgreSQL: Documentation: 18: 66.7. Heap-Only Tuples (HOT) · postgresql.org
- PostgreSQL: Documentation: 18: REINDEX · postgresql.org
- PostgreSQL: Documentation: 16: VACUUM · postgresql.org
- pg_repack: Physical storage optimization and maintenance · supabase.com
- PostgreSQL: Documentation: 18: 24.1. Routine Vacuuming · postgresql.org
Queries
3 queries · click a column to sort
| Query / type | Search | Intent | Query class | Routing format | Cluster | Freq ↓ | Weight |
|---|---|---|---|---|---|---|---|
PostgreSQL current documentation routine vacuuming autovacuum vacuum parameters index cleanup 2026 OBSERVED | Google ↗ AI Mode ↗ | — | Instruction | — | — | 1x of 1 | |
PostgreSQL documentation autovacuum tuning scale factor threshold cost limit cost delay per table storage parameters OBSERVED | Google ↗ AI Mode ↗ | — | Instruction | — | — | 1x of 1 | |
PostgreSQL REINDEX CONCURRENTLY documentation pg_repack index bloat heavily updated tables OBSERVED | Google ↗ AI Mode ↗ | — | Consequence | — | — | 1x of 1 |