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From: Artem Belevich <fbsdlist@src.cx>
To: Dan Langille <dan@langille.org>
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Subject: Re: zfs send/receive: is this slow?
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> As soon as I opened this email I knew what it would say.
>
>
> # time zfs send storage/bacula@transfer | mbuffer | zfs receive
> storage/compressed/bacula-mbuffer
> in @ =A0197 MB/s, out @ =A0205 MB/s, 1749 MB total, buffer =A0 0% full
...
> Big difference. =A0:)

I'm glad it helped.

Does anyone know why sending/receiving stuff via loopback is so much
slower compared to pipe?

--Artem