From mboxrd@z Thu Jan 1 00:00:00 1970 From: Florian Westphal Subject: Re: [PATCH nf v2] netfilter: conntrack: refine gc worker heuristics Date: Fri, 4 Nov 2016 10:07:26 +0100 Message-ID: <20161104090726.GA16482@breakpoint.cc> References: <1478127895-32540-1-git-send-email-fw@strlen.de> <9b8a1258-1ecd-daf8-ffd2-1acc70e2ebbb@6wind.com> <20161103163133.GA26355@breakpoint.cc> <8aad7dbf-da86-9afc-805c-879833aa2883@6wind.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Florian Westphal , netfilter-devel@vger.kernel.org To: Nicolas Dichtel Return-path: Received: from Chamillionaire.breakpoint.cc ([146.0.238.67]:59506 "EHLO Chamillionaire.breakpoint.cc" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758630AbcKDJJR (ORCPT ); Fri, 4 Nov 2016 05:09:17 -0400 Content-Disposition: inline In-Reply-To: <8aad7dbf-da86-9afc-805c-879833aa2883@6wind.com> Sender: netfilter-devel-owner@vger.kernel.org List-ID: Nicolas Dichtel wrote: > > However, I will not send a new iteration of this change since I don't > > know how to test this. Its easy to make the delay low, but it will come > > at additonal cpu cost. I have no idea where to make the tradeoff. > For me, the priority is to deliver events with a reasonnable delay (and I think > Pablo also asks for this in a previous email). I understand that the cpu cost > need to be taken into account, but it's a tradeoff of the new design I think. I sent one last iteration. Other than exporting max time as a sysctl like in your proposal I am out of ideas.