Journaler
- journaler_write_head_interval
Interval in seconds between journal header updates (to help bound replay time)
- type:
int- default:
15
- journaler_prefetch_periods
Number of striping periods to prefetch while reading MDS journal
- type:
uint- default:
10- min:
2
- journaler_prezero_periods
Number of striping periods to zero head of MDS journal write position
- type:
uint- default:
5- min:
2