Tune
| Setting | Value |
|---|---|
| max_connections | 3200 |
| shared_buffers | 25772MB |
| effective_cache_size | 77315MB |
| maintenance_work_mem | 1GB |
| checkpoint_completion_target | 0.9 |
| wal_buffers | 16MB |
| default_statistics_target | 100 |
| random_page_cost | 1 |
| effective_io_concurrency | 1000 |
| work_mem | 32MB |
| huge_pages | try |
| min_wal_size | 80MB |
| max_wal_size | 100732MB |
Check out PgTune for recommendations. DB version is 18.