From: Keir Fraser <keir.fraser@eu.citrix.com>
To: "echo@echoreply.us" <echo@echoreply.us>, Luke S Crawford <lsc@prgmr.com>
Cc: "xen-devel@lists.xensource.com" <xen-devel@lists.xensource.com>
Subject: Re: increasing the number of guests (NR_DYNIRQS)
Date: Sat, 20 Feb 2010 13:41:03 +0000 [thread overview]
Message-ID: <C7A596EF.AD05%keir.fraser@eu.citrix.com> (raw)
In-Reply-To: <1266666881.6555.48.camel@tpost-desktop>
On 20/02/2010 11:54, "Tim Post" <echo@echoreply.us> wrote:
>> #define NR_DYNIRQS 1024
>>
>> (it defaults to 256)
>
> I've done the same thing several times without breaking anything. What I
> could not see is how much more expensive 1024 is than 256. Like you, I
> had hosts with guests way north of 200 that did very little, so ...
Yeah, could even just change to 1024 statically. I don't think it's very
expensive.
-- Keir
next prev parent reply other threads:[~2010-02-20 13:41 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-02-20 10:53 increasing the number of guests (NR_DYNIRQS) Luke S Crawford
2010-02-20 11:54 ` Tim Post
2010-02-20 13:41 ` Keir Fraser [this message]
2010-02-20 15:43 ` Tim Post
2010-02-20 16:41 ` Dan Magenheimer
2010-02-20 13:40 ` Keir Fraser
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