netdev - Re: [PATCH] IPVS: Allow boot time change of hash size.

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Date:	Tue, 05 Jan 2010 12:02:20 +0100
From:	Mark Bergsma <mark@...imedia.org>
To:	Simon Horman <horms@...ge.net.au>
CC:	Patrick McHardy <kaber@...sh.net>, netdev@...r.kernel.org,
	lvs-devel@...r.kernel.org,
	"Catalin(ux) M. BOIE" <catab@...edromix.ro>,
	Joseph Mack NA3T <jmack@...d.net>,
	Graeme Fowler <graeme@...emef.net>,
	David Miller <davem@...emloft.net>
Subject: Re: [PATCH] IPVS: Allow boot time change of hash size.

On 05-01-10 00:24, Simon Horman wrote:
> On Mon, Jan 04, 2010 at 02:57:22PM +0100, Patrick McHardy wrote:
>> Simon Horman wrote:
>>> On Mon, Dec 28, 2009 at 07:49:38PM +0100, Mark Bergsma wrote:
>>>> On 03-12-08 01:37, David Miller wrote:
>>>>> From: "Catalin(ux) M. BOIE" <catab@...edromix.ro>
>>>>> Date: Tue, 2 Dec 2008 16:16:04 -0700 (MST)
>>>>>> I was looking for anything that could get me past of 88.000 request per
>>>>>> seconds.
>>>>>> The help text told me to raise that value if I have big number of
>>>>>> connections. I just needed an easy way to test.
>>>>> You're just repeating what I said, you "think" it should be
>>>>> changed and as a result you are wasting everyones time.
>>>>>
>>>>> You don't actually "know", you're just guessing using random
>>>>> snippets from documentation rather than good hard evidence of
>>>>> a need.
>>>> Hello,
>>>>
>>>> I just found this year-old thread about a patch allowing the IPVS
>>>> connection hash table size to be set at load time by a module parameter.
>>>> Apparently the conclusion reached was that allowing this configuration
>>>> setting to be changed would be useless, and that the poster's
>>>> performance problems would likely lie elsewhere, since he had no
>>>> evidence it was caused by the hash table size.
>>>
>>> Hi Mark,
>>>
>>> thanks for your test results. I have added them to the patch.
>>> Feel free to edit the text.
>>
>> Just wondering because of this comment - do you want me to apply this
>> patch?
> 
> I was fishing for an response from Mark.
> I'll resubmit it properly as that doesn't seem to be forthcoming.

Hi Simon/Patrick,

Sorry for the late reply, and yes, this is fine. Thanks for applying the
patch!

-- 
Mark Bergsma <mark@...imedia.org>
Operations Engineer, Wikimedia Foundation
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