What is the purpose of `EXPLAIN (BUFFERS, ANALYZE)` in PostgreSQL?

Advanced SQL Developer Medium

Advanced SQL Developer — Medium

What is the purpose of `EXPLAIN (BUFFERS, ANALYZE)` in PostgreSQL?

Key points

  • `EXPLAIN (BUFFERS, ANALYZE)` shows runtime statistics like shared_hit and shared_read.
  • It helps in understanding cache usage and disk I/O requirements.
  • Useful for optimizing query performance based on buffer efficiency.

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