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Subject: Re: zfs send for compressed fs without decompression
To: Ben RUBSON <ben.rubson@gmail.com>, fs@FreeBSD.org
References: <57F258FF.5010305@rdtc.ru>
 <28B40866-0898-4CD9-AABA-77189F4AA558@gmail.com>
Cc: Eugene Grosbein <egrosbein@rdtc.ru>
From: Maurizio Vairani <maurizio.vairani@cloverinformatica.it>
Message-ID: <099b3620-8523-c660-7a6a-884deb783a25@cloverinformatica.it>
Date: Tue, 4 Oct 2016 09:30:46 +0200
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Il 03/10/2016 17:45, Ben RUBSON ha scritto:
>> On 03 Oct 2016, at 15:11, Eugene Grosbein <egrosbein@rdtc.ru> wrote:
>>
>> Hi!
>>
>> Is it possible to "zfs send" snapshot of large compressed file system to store it
>> using NFS so that data does not get decompressed in process?
> Hi Eugene,
>
> I think you're waiting for this :
> https://github.com/openzfs/openzfs/pull/192
>
> Ben
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In the meantime you can use a command like this:

zfs send -v $snap | lz4 -c | ssh -c arcfour128 $desthost "lz4 -d | zfs 
recv -F $destfs"

where the liblz4 package is used for compression/decompression.

Maurizio