| bgwriter buffer statistics | |||||
| Field | Internal name | Type | Warn | Crit | Info |
|---|---|---|---|---|---|
| Buffers at checkpoint | buffers_checkpoint | derive | Buffers written when performing a checkpoint | ||
| Buffers cleaned | buffers_clean | derive | Buffers cleaned by background bgwriter runs | ||
| Buffers by backend | buffers_backend | derive | Buffers written by backends and not the bgwriter | ||
| Buffers allocated | buffers_alloc | derive | Buffers allocated globally | ||