Tune
| Setting | Value |
|---|---|
| max_connections | 100 |
| shared_buffers | 128MB |
| effective_cache_size | 4GB |
| work_mem | 4MB |
| maintenance_work_mem | 64MB |
| min_wal_size | 80MB |
| max_wal_size | 1GB |
| checkpoint_completion_target | 0.5 |
| wal_buffers | 4MB |
| default_statistics_target | 100 |
Check out PgTune for recommendations. DB version is 11.12 (Ubuntu 11.