Debian package provides some additional options in config-file:


* opt file_descriptors = INTVALUE

  Init script will do 'ulimit -f INTVALUE' command before starting tarantool.

* opt save_snapshots = COUNT
  
  Count of snapshots to save (default = 10). COUNT=0 disables removing
  old snapshots.

* opt snapshot_period = HOURS

  Period between two snapshot (default 24).


There are script tarantool_snapshot_rotate (1) that is started every hour
using cron.hourly.