[pve-devel] [PVE-User] backup : add pigz compressor

Alexandre DERUMIER aderumier at odiso.com
Fri Jul 10 07:56:11 CEST 2015


About backup,

I would like to add a new feature :

As I m always afraid of problem which can occur with network backup through nfs (network saturated, latencies,...),

I would like to add an option, to backup to a temp storage (local ssd for example), then send the backup async (rsync for example),
to the destination storage. (big slow storage)

What do you think about it ?



----- Mail original -----
De: "aderumier" <aderumier at odiso.com>
À: "dietmar" <dietmar at proxmox.com>
Cc: "proxmoxve" <pve-user at pve.proxmox.com>, "pve-devel" <pve-devel at pve.proxmox.com>
Envoyé: Vendredi 10 Juillet 2015 07:41:35
Objet: Re: [PVE-User] [pve-devel] backup : add pigz compressor

>>We already have lzop, which is as fast as pgzip and uses less resources. 
>>So what is the advantage of pgzip? 
I think better compression than lzop (but slower), but still faster than classic gzip. 


>>IMHO a parallel lzop would be nice. 

yeah. don't have find any implementation currently. 


----- Mail original ----- 
De: "dietmar" <dietmar at proxmox.com> 
À: "aderumier" <aderumier at odiso.com>, "pve-devel" <pve-devel at pve.proxmox.com> 
Cc: "proxmoxve" <pve-user at pve.proxmox.com>, "Chidester, Bryce" <Bryce.Chidester at calyptix.com> 
Envoyé: Vendredi 10 Juillet 2015 07:05:07 
Objet: Re: [pve-devel] backup : add pigz compressor 

> user from pve-user mailing report than using pigz (multithread gzip), 
> improve a lot speed of compression backup. 
> 
> Maybe could we use add it ? (or maybe replace gzip ?) 

We already have lzop, which is as fast as pgzip and uses less resources. 
So what is the advantage of pgzip? IMHO a parallel lzop would be nice. 
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