[PVE-User] Redis, huge overhead

[Germain Maurice]

Yes, i can understand, but my question is more about read/write in RAM 
than Redis itself.
I will ask on Redis mailing lists or forums about my request.

By the way, thank you.

Le 13/12/10 17:33, Martin Maurer a écrit :
> 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
>>
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>
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-- 
Germain Maurice
Administrateur Système/Réseau
Tel : +33.(0)1.42.43.54.33

http://www.linkfluence.net