[PVE-User] Redis, huge overhead

Martin Maurer martin at proxmox.com
Mon Dec 13 17:33:45 CET 2010


I assume none is using redis here - that the reason why you do not get any answer.
Br, martin

> -----Original Message-----
> From: pve-user-bounces at pve.proxmox.com [mailto:pve-user-
> bounces at pve.proxmox.com] On Behalf Of Germain Maurice
> Sent: Montag, 13. Dezember 2010 17:15
> To: pve-user at pve.proxmox.com
> Subject: Re: [PVE-User] Redis, huge overhead
> 
> Nobody, no idea ?
> 
> 
> Le 09/12/10 20:01, Germain Maurice a écrit :
> > Hi everybody,
> >
> > I wanted to test Redis VM feature on a KVM guest. I find it very slow
> > when populating with data.
> > However, Redis seems to be slower than without VM activated.
> >
> > Just for fun, i tried to populate Redis on a VM guest and Redis
> > directly on the host (redis version 2.0.4 and same config file for
> > both). I made this test several times, flushing all the keys before
> > each test.
> > I got these results :
> >
> > ++++ Redis on Proxmox host :
> > 130> perl populate.pl
> > Populating...done (49.2327530384064 secs) Quering redis hash...done
> > (3.86193013191223 secs)
> >
> >
> > ++++ Redis on VM guest :
> > 0> perl populate.pl
> > Populating...done (119.999486923218 secs) Quering redis hash...done
> > (4.3238320350647 secs)
> >
> > - Populating (writing) : 49/120 = 59% difference
> > - Quering (reading) : 3,8/4,3 = 12% difference
> >
> > Someone can explain me this huge difference when populating Redis ??
> >
> > Thank you..
> >
> 
> 
> --
> Germain Maurice
> Administrateur Système/Réseau
> Tel : +33.(0)1.42.43.54.33
> 
> http://www.linkfluence.net
> 
> _______________________________________________
> pve-user mailing list
> pve-user at pve.proxmox.com
> http://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-user





More information about the pve-user mailing list