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Guidelines for PostgreSQL
When running a PostgreSQL optimization, consider starting from these recommendations:
Parameter | Recommendation |
|---|---|
pg_max_connections | Keep its value under 1000 connections. |
pg_effective_cache_size | 75% of physical available memory to PostgreSQL. |
pg_maintenance_work_mem | 12% of physical available memory to PostgreSQL. |
pg_max_wal_senders | Max replicas you expect to have, doubled. |
pg_max_parallel_workers | Number of cores divided by 2. |
pg_shared_buffers | 25% of physical available memory to PostgreSQL. |