From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stephen Hemminger Subject: Re: LPM6 next hop size Date: Thu, 22 Sep 2016 11:09:14 -0700 Message-ID: <20160922110914.3f7b1854@xeon-e3> References: <20160919212257.GA27713@mhcomputing.net> <3263960.cPWMKkvuZx@xps13> <20160921172905.GA7158@mhcomputing.net> <20160921164205.000645d8@xeon-e3> <20160922015034.GA10277@mhcomputing.net> <20160922175543.GA19530@mhcomputing.net> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Cc: Thomas Monjalon , "dev@dpdk.org" , Nikita Kozlov To: Matthew Hall Return-path: Received: from mail-pf0-f173.google.com (mail-pf0-f173.google.com [209.85.192.173]) by dpdk.org (Postfix) with ESMTP id 4171A567A for ; Thu, 22 Sep 2016 20:09:06 +0200 (CEST) Received: by mail-pf0-f173.google.com with SMTP id 21so33014370pfy.0 for ; Thu, 22 Sep 2016 11:09:06 -0700 (PDT) In-Reply-To: <20160922175543.GA19530@mhcomputing.net> List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" On Thu, 22 Sep 2016 10:55:43 -0700 Matthew Hall wrote: > On Wed, Sep 21, 2016 at 10:07:46PM -0700, Stephen Hemminger wrote: > > If you have 2G of huge memory and one 16M routes then the rules start to > > kill an application. > > Since huge memory is unpageable (pinned) then it is limited. > > Won't paging out routes result in very poor network performance? This is the rules not the LPM table itself. The rules are only used when computing new LPM after add/delete route.