| checkpoints_timed | checkpoints_req | buffers_checkpoint | buffers_clean | maxwritten_clean | buffers_backend | buffers_alloc |
| 759 | 4 | 11213 | 6527 | 52 | 20855 | 26932 |
SELECT checkpoints_timed, checkpoints_req, buffers_checkpoint, buffers_clean, maxwritten_clean, buffers_backend, buffers_alloc FROM pg_stat_bgwriter