Ivan Voras wrote:
It is true that ZFS in theory doesn't do very well with random writes of any kind - the kind that torrent clients do should actually be the worst case for ZFS, *but*, this very much depends on the actual workload.


ZFS has aggressive read-ahead for sequential read-aheads, so its worth noting that the performance problem can be mitigated by having lots of RAM free for read-ahead, as well as multiple vdevs in the zpool (so that it can be seeking all disks at once)


- Andrew
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