What kind of effect does this have on your I/O performance? | Hacker News

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		pekk on June 6, 2013 \| parent \| context \| favorite \| on: Hetzner Servers Compromised What kind of effect does this have on your I/O performance?

FooBarWidget on June 6, 2013 [–]

Minor. It costs more CPU because of encryption/decryption. But our servers have so much CPU power, and our workload is mostly dependent on disk I/O throughput, so enabling encryption is almost free.

sneak on June 6, 2013 | [–]

AES-NI features in modern CPUs reduce it even further.

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