Yeah those were the figures i was seeing as well on testpools with 4-5 disks, where aes-192-gcm without compression (and sync=0) seemed to be the sweet spot, but the Xeon-D CPU was at its limit. Sequential writes of local files to the pool were fast but handling NFS/SMB traffic on top was too...
I just ran some benchmarks on a OmniOS/napp-it host the other day and was quite surprised at how CPU expensive zfs + encryption actually is compared to a similar linux based setup (mdadm, LUKS with aes-256-xts, ext4, NFS share) on the same hardware. After testing with various ciphers and...
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