Hello Marco,
> Anyway, i'm hit another trouble. Seems that creating the spool file took an insane amount of time: source to backup are complex dirs, with millions of files. Filesystem is ZFS. Is the ZFS local? Does it have ZFS compression or dedup enabled? I wouldn't use those options for data spooling. You have to also consider the number of disks: https://arstechnica.com/gadgets/2020/05/zfs-versus-raid-eight-ironwolf-disks-two-filesystems-one-winner/ You can test Disks reading and writing capacity with hdparm, dd/iostat. https://www.bacula.lat/benchmarking-disks-reading-and-writing-capacity/?lang=en And network with iperf: https://www.bacula.lat/testing-bacula-machines-network-capacity-iperf/?lang=en I wouldn't also use Bacula compression software compression for tapes. > How can i do to improve the spooling performance? What factors impact more? Probably better network and better/more disks, such as Enterprise Grade NVMe/SSDs. Rgds. MSc,MBA Heitor Faria (Miami/USA) Bacula LATAM CIO mobile1: + 1 909 655-8971 mobile2: + 55 61 98268-4220 bacula.lat | bacula.com.br
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