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From: Eric Dumazet <eric.dumazet@gmail.com>
To: Arun Sharma <asharma@fb.com>
Cc: David Miller <davem@davemloft.net>,
	netdev@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] net: compute a more reasonable default ip6_rt_max_size
Date: Sat, 26 May 2012 05:39:40 +0200	[thread overview]
Message-ID: <1338003580.10135.6.camel@edumazet-glaptop> (raw)
In-Reply-To: <4FC02777.5070003@fb.com>

On Fri, 2012-05-25 at 17:44 -0700, Arun Sharma wrote:
> On 5/25/12 5:11 PM, David Miller wrote:
> 
> >> These were not admin configured routes. They were discovered via ipv6
> >> neighbor discovery.
> >
> > Then such default routes should either be:
> >
> > 1) Passed over by GC
> >
> > 2) Trigger neighbour discovery when GC'd
> 
> It's possible that there is a bug somewhere - we didn't get a chance to 
> dig deeper. What we observed is that as we got close to the 4096 limit, 
> some hosts were becoming unreachable. A modest increase in the routing 
> table size made things better.
> 
>   -Arun

But your patch is not a  "modest increase", so whats the deal ?

A modest increase would be 8192 instead of 4096, regardless of RAM size.

  reply	other threads:[~2012-05-26  3:39 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-05-25 20:15 [PATCH] net: compute a more reasonable default ip6_rt_max_size Arun Sharma
2012-05-25 20:26 ` David Miller
2012-05-25 20:47 ` Eric Dumazet
2012-05-25 22:22   ` Arun Sharma
2012-05-25 22:51     ` David Miller
2012-05-26  0:08       ` Arun Sharma
2012-05-26  0:11         ` David Miller
2012-05-26  0:44           ` Arun Sharma
2012-05-26  3:39             ` Eric Dumazet [this message]
2012-05-26  4:17               ` Eric Dumazet
2012-05-27  3:54               ` Arun Sharma
2012-05-27 13:18                 ` Eric Dumazet
  -- strict thread matches above, loose matches on Subject: below --
2012-05-30 23:50 Lubashev, Igor
2012-06-04 19:04 ` Lubashev, Igor

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