Re: [Xen-API] Howto do a benchmark of VHD with/whthout local cac

To:	xen-api@xxxxxxxxxxxxxxxxxxx
Subject:	Re: [Xen-API] Howto do a benchmark of VHD with/whthout local caching over NFS?
From:	George Shuklin <george.shuklin@xxxxxxxxx>
Date:	Tue, 15 Mar 2011 12:39:10 +0300
Delivery-date:	Tue, 15 Mar 2011 02:39:22 -0700
Dkim-signature:	v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:subject:from:to:in-reply-to:references :content-type:date:message-id:mime-version:x-mailer :content-transfer-encoding; bh=/GKU/0dFBTyw5WmfSBcjjTKQFM4k9CiApquYWoFqr2M=; b=Pqxx5cdxmDc81pds1r8JCjx2jAcxDSLa46uSPvMfVwa44L7HWZSse3f7DNWy9RUEPG Ph2jOGx/zJ3z3zyUpMXvPyQunqA92YpDqFBQ9v1tFgOtvmR42PB82sOJotIK7fB0Febq fI8N5pmKrftU7gJ8qFushdoJOkSPNw2gpI74k=
Domainkey-signature:	a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=subject:from:to:in-reply-to:references:content-type:date:message-id :mime-version:x-mailer:content-transfer-encoding; b=dVqeW+O3zR7HkxgzV1cOCKd1bx5J2c01fbKVrzojSpNUA4vxR/qAM9Ej4SP7w6rw6Q Hdlajk4S1lYTcqX+Rs2pvSG0VIjwhPbAAveHuu+R5JqpJMEc3i1wWEhS+u2OjEsB02jn wMHs/AcAeNEdBObfcef36JJUzYw7l0S23D5cI=
Envelope-to:	www-data@xxxxxxxxxxxxxxxxxxx
In-reply-to:	<AANLkTikau9XgpBn2LHUwUE0cJt+LbZyS=oCGQawt+kU_@xxxxxxxxxxxxxx>
List-help:	<mailto:xen-api-request@lists.xensource.com?subject=help>
List-id:	Discussion of API issues surrounding Xen <xen-api.lists.xensource.com>
List-post:	<mailto:xen-api@lists.xensource.com>
List-subscribe:	<http://lists.xensource.com/mailman/listinfo/xen-api>, <mailto:xen-api-request@lists.xensource.com?subject=subscribe>
List-unsubscribe:	<http://lists.xensource.com/mailman/listinfo/xen-api>, <mailto:xen-api-request@lists.xensource.com?subject=unsubscribe>
References:	<AANLkTikau9XgpBn2LHUwUE0cJt+LbZyS=oCGQawt+kU_@xxxxxxxxxxxxxx>
Sender:	xen-api-bounces@xxxxxxxxxxxxxxxxxxx

Simply use lager file size of iozone. 100-200GiB will solve any caching
issues.

В Пн., 14/03/2011 в 13:52 -0300, Marco Sinhoreli пишет:
> Hi all:
> 
> I'm trying to make a VM filesystem benchmark of XCP 1.0 using NFS with
> local caching enabled and disabled. I'm using iozone.
> My infrastructure is configured as above:
> 
> Storage: NetAPP - NFSv3 - 4x gbit ethernet aggregated with Jumbo Frame 
> enabled.
> All switches have 10 gbit/s port link and have Jumbo frame enabled in all 
> ports
> Servers: blade HP with 10 gbit ethernet - Nehalem processors model
> L5640 (2 x 6 cores with Hyper-Threading) - 24GB RAM
> 
> The problem: I've 8 gbit/s to write and I think the host is making
> cache. It's unfeasible my tests. The iozone is running over a CentOS
> 5.4 64bit.
> 
> Thoughts?
> 
> 



_______________________________________________
xen-api mailing list
xen-api@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/mailman/listinfo/xen-api

WARNING - OLD ARCHIVES

xen-api

Re: [Xen-API] Howto do a benchmark of VHD with/whthout local caching ove