| 1 | alarm: sync_freq |
| 2 | on: mem.sync |
| 3 | lookup: sum -1m of sync |
| 4 | units: calls |
| 5 | every: 1m |
| 6 | warn: $this > 6 |
| 7 | delay: up 1m down 10m multiplier 1.5 max 1h |
| 8 | summary: Sync system call frequency |
| 9 | info: Number of sync() system calls. \ |
| 10 | Every call causes all pending modifications to filesystem metadata and \ |
| 11 | cached file data to be written to the underlying filesystems. |
| 12 | to: silent |