netdev - Re: 4.9 conntrack performance issues

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Date:   Mon, 30 Jan 2017 13:21:03 +0100
From:   Guillaume Nault <g.nault@...halink.fr>
To:     Denys Fedoryshchenko <nuclearcat@...learcat.com>
Cc:     Netfilter Devel <netfilter-devel@...r.kernel.org>,
        Pablo Neira Ayuso <pablo@...filter.org>,
        Linux Kernel Network Developers <netdev@...r.kernel.org>
Subject: Re: 4.9 conntrack performance issues

On Mon, Jan 30, 2017 at 01:37:43PM +0200, Denys Fedoryshchenko wrote:
> On 2017-01-30 13:26, Guillaume Nault wrote:
> > On Sun, Jan 15, 2017 at 01:05:58AM +0200, Denys Fedoryshchenko wrote:
> > > Hi!
> > > 
> > > Sorry if i added someone wrongly to CC, please let me know, if i
> > > should
> > > remove.
> > > I just run successfully 4.9 on my nat several days ago, and seems
> > > panic
> > > issue disappeared.
> > > 
> > Hi Denys,
> > 
> > After two weeks running Linux 4.9, do you confirm that the original
> > issue[1] is gone?
> > 
> > Regards,
> > 
> > Guillaume
> > 
> > [1]: https://www.spinics.net/lists/netdev/msg410795.html
> Yes, no more reboots at all and 4.9 patched for gc issues seems
> significantly better for NAT performance (CPU load lower almost twice than
> previous kernels, i dont have exact numbers).

Great! Thanks for the feedback.