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From: "Pasi Kärkkäinen" <pasik@iki.fi>
To: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: xen-devel@lists.xenproject.org, Ian Jackson <Ian.Jackson@eu.citrix.com>
Subject: Re: [PATCH] README, xen/Makefile: Update to Xen 4.5.0
Date: Wed, 7 Jan 2015 17:33:51 +0200	[thread overview]
Message-ID: <20150107153351.GC19091@reaktio.net> (raw)
In-Reply-To: <20150107152737.GJ30457@l.oracle.com>

On Wed, Jan 07, 2015 at 10:27:37AM -0500, Konrad Rzeszutek Wilk wrote:
> > 
> > And I think there was optimizations to oxenstored to support up to 1000 VMs per host.. 
> 
> .. and that.
>

Actually I'm not sure anymore about "up to 1000 VMs per host".. I was certain I was reading about such number
in the discussion related to some patches about performance improvements related to VDI bootstorms on xen-devel, 
but I can't find a reference now..

So maybe we should drop that number.. and only state performance/scalability improvements for oxenstored.

Also the oxenstored fd limit was increased from 1024 to 4096,
and oxenstored switched from select() to poll() for increased scalability/performance.

-- Pasi

 
> diff --git a/README b/README
> index 4a9cac1..e2c9e83 100644
> --- a/README
> +++ b/README
> @@ -43,8 +43,9 @@ guests; and lower interrupt latency.
>  The toolstack has expanded to include support for: VM Generation ID (a
>  Windows 2012 Server requirement); Remus initial support (for high
>  availability) in libxl (since xend has been removed); libxenlight JSON
> -support and persistent configuration support, and systemd support; and
> -support in QEMU for expanding the PCI hole.
> +support, HVM guest direct kernel boot, and persistent configuration
> +support; systemd support; optimizations in oxenstored to support more
> +than 1000+ VMs; and support in QEMU for expanding the PCI hole.
>  
>  Lastly, we have removed the Python toolstack (xend).
>  

      reply	other threads:[~2015-01-07 15:33 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-01-06 17:17 (no subject) Konrad Rzeszutek Wilk
2015-01-06 17:17 ` [PATCH] README, xen/Makefile: Update to Xen 4.5.0 Konrad Rzeszutek Wilk
2015-01-06 17:40   ` Julien Grall
2015-01-06 17:51     ` Konrad Rzeszutek Wilk
2015-01-06 17:54   ` Sander Eikelenboom
2015-01-06 18:00     ` Konrad Rzeszutek Wilk
2015-01-06 17:59   ` Andrew Cooper
2015-01-06 18:00   ` Ian Campbell
2015-01-06 18:06   ` Ian Jackson
2015-01-06 18:21     ` Konrad Rzeszutek Wilk
2015-01-06 18:26       ` Andrew Cooper
2015-01-06 18:46       ` Sander Eikelenboom
2015-01-07  9:07         ` Ian Campbell
2015-01-06 19:14       ` Pasi Kärkkäinen
2015-01-06 19:30         ` Don Slutz
2015-01-07 15:27         ` Konrad Rzeszutek Wilk
2015-01-07 15:33           ` Pasi Kärkkäinen [this message]

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