How do I optimize a slow PostgreSQL query that my reporting dashboard runs? It worked fine with small datasets, but now it times out completely.
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Fan-out diagram
The searches the AI actually ran for this prompt.
SEED QUERY
How do I optimize a slow PostgreSQL query that my reporting dashboard runs? It worked fine with small datasets, but now it times out completely.
1 real search · 1 real-search pass
PostgreSQL official documentation EXPLAIN ANALYZE BUFFERS indexes multicolumn indexes materialized views statistics query performanceGoogle ↗
OBSERVEDReason
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 (1)
Classes come from the query-classifier (a local Laya model). 1 of 1 calls are low-confidence (under 50%) — hover a query in the table to see its confidence.
Searches and sources
ChatGPT1 real searches · gpt-6
PostgreSQL official documentation EXPLAIN ANALYZE BUFFERS indexes multicolumn indexes materialized views statistics query performance Google ↗
- PostgreSQL: Documentation: 17: ANALYZE · postgresql.org
- PostgreSQL: Documentation: 18: Chapter 14. Performance Tips · postgresql.org
- pg_stat_statements documentation · postgresql.org
- PostgreSQL: Documentation: 18: EXPLAIN · postgresql.org
- PostgreSQL: Documentation: 18: 14.1. Using EXPLAIN · siteproxy-gxy.oni.li