On 05/12/2015 02:55 AM, Alex Domoradov wrote:
>> Run "openssl speed" then run with e.g. "ciphers = md2" on both
> ends and post the difference
> I have tested with RC4-MD5 cipher. The result even worse - 8 hours 30
> minutes :)

Hehe. Point is, if you let endpoints autonegotiate, you've no idea what
it is you're testing. Worst part: they may autonegotiate on a different
cipher next time.

>> How did you get the 1.5hr difference? -- 23MB/s looks like your
> bottleneck is the network
> I don't think so

Bottleneck: by solving one you create another. ;)

Where's 23MB/s come from? I get 200+MB/s on disk writes to raidz zfs
backed by cheap "desktop" drives: that not what you'd call fast storage.
I can't really see your disk writes being 10 times slower than that.

>> did you run your first test over the loopback?
> No, I didn't. How can I test backup over loopback?

Test 127.0.0.1. Doesn't matter since my guess about the network was wrong.

-- 
Dimitri Maziuk
Programmer/sysadmin
BioMagResBank, UW-Madison -- http://www.bmrb.wisc.edu

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