From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pablo Neira Ayuso Subject: Re: [PATCH v2 nf-next 0/9] netfilter: don't copy initns hooks to new namespaces Date: Tue, 24 Nov 2015 11:27:46 +0100 Message-ID: <20151124102746.GA2917@salvia> References: <1445597006-11264-1-git-send-email-fw@strlen.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: netfilter-devel@vger.kernel.org To: Florian Westphal Return-path: Received: from mail.us.es ([193.147.175.20]:40335 "EHLO mail.us.es" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754313AbbKXK1u (ORCPT ); Tue, 24 Nov 2015 05:27:50 -0500 Received: from antivirus1-rhel7.int (unknown [192.168.2.11]) by mail.us.es (Postfix) with ESMTP id 2768BB6B97 for ; Tue, 24 Nov 2015 11:27:49 +0100 (CET) Received: from antivirus1-rhel7.int (localhost [127.0.0.1]) by antivirus1-rhel7.int (Postfix) with ESMTP id 192D6DA81D for ; Tue, 24 Nov 2015 11:27:49 +0100 (CET) Received: from antivirus1-rhel7.int (localhost [127.0.0.1]) by antivirus1-rhel7.int (Postfix) with ESMTP id 3E77CDA861 for ; Tue, 24 Nov 2015 11:27:47 +0100 (CET) Content-Disposition: inline In-Reply-To: <1445597006-11264-1-git-send-email-fw@strlen.de> Sender: netfilter-devel-owner@vger.kernel.org List-ID: On Fri, Oct 23, 2015 at 12:43:17PM +0200, Florian Westphal wrote: > Ads section: > conntrack+filter + nat table used in init namespace, single TCP_STREAM lo netperf: > 87380 16384 16384 30.00 14348.66 > with patch set, netperf running in net namespace without rules: > 87380 16384 16384 30.00 15683.97 > > routing from ns3 -> ns2, filter + nat table & conntrack in all namespaces: > 87380 16384 16384 30.00 5664.46 > without conntrack+any tables in those namespaces: > 87380 16384 16384 30.00 7336.54 Florian, I didn't have time so far on this but I really expect that you follow up on this with a new version adressing or summarizing possible solutions for the corner cases that we have discussed previously. We definitely need this for better netns support in iptables. Thanks.