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From: Krzysztof Oledzki <olel@ans.pl>
To: Andi Kleen <andi@firstfloor.org>
Cc: Sven Wegener <sven.wegener@stealer.net>,
	netdev@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] ipvs: Make the synchronization interval controllable
Date: Fri, 8 Feb 2008 16:57:47 +0100 (CET)	[thread overview]
Message-ID: <Pine.LNX.4.64.0802081656130.10726@bizon.gios.gov.pl> (raw)
In-Reply-To: <871w7n34ss.fsf@basil.nowhere.org>

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On Fri, 8 Feb 2008, Andi Kleen wrote:

> Sven Wegener <sven.wegener@stealer.net> writes:
>
>> The default synchronization interval of 1000 milliseconds is too high for a
>> heavily loaded director. Collecting the connection information from one second
>> and then sending it out in a burst will overflow the socket buffer and lead to
>> synchronization information being dropped. Make the interval controllable by a
>> sysctl variable so that users can tune it.
>
> It would be better if the defaults just worked under all circumstances.
> So why not just lower the default?
>
> Or the code could detect overflowing socket buffers and lower the
> value dynamically.

We can also start sending when amount of data reaches defined level.

Best regards,

 				Krzysztof Olędzki

      reply	other threads:[~2008-02-08 15:58 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-02-06 21:39 Sven Wegener
2008-02-06 22:09 ` David Rientjes
2008-02-06 23:12   ` Sven Wegener
2008-02-06 23:57     ` Sven Wegener
2008-02-07  4:28       ` Simon Horman
2008-02-07  6:54     ` David Rientjes
2008-02-08 14:23 ` Andi Kleen
2008-02-08 15:57   ` Krzysztof Oledzki [this message]

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