From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH] IPVS: Allow boot time change of hash size. Date: Tue, 02 Dec 2008 16:37:29 -0800 (PST) Message-ID: <20081202.163729.158874214.davem@davemloft.net> References: <54783.91.201.80.240.1228232062.squirrel@mail.embedromix.ro> <20081202.145129.06176881.davem@davemloft.net> <49597.86.34.32.157.1228259764.squirrel@mail.embedromix.ro> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: jmack@wm7d.net, netdev@vger.kernel.org, lvs-devel@vger.kernel.org To: catab@embedromix.ro Return-path: In-Reply-To: <49597.86.34.32.157.1228259764.squirrel@mail.embedromix.ro> Sender: lvs-devel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org From: "Catalin(ux) M. BOIE" Date: Tue, 2 Dec 2008 16:16:04 -0700 (MST) > > From: "Catalin(ux) M. BOIE" > > Date: Tue, 2 Dec 2008 08:34:22 -0700 (MST) > > > > This is the part that is driving everybody crazy about your > > report. You seem to be changing this without having observed > > a measurable performance problem first, and then tracked it down > > specifically to this hash table's size. > > 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.