From: Stephen Hemminger <shemminger@vyatta.com>
To: Denys Fedoryshchenko <denys@visp.net.lb>
Cc: <netdev@vger.kernel.org>
Subject: Re: [RFC] iproute2, ifindex option
Date: Wed, 20 Jul 2011 08:58:42 -0700 [thread overview]
Message-ID: <20110720085842.03dd411c@nehalam.ftrdhcpuser.net> (raw)
In-Reply-To: <8dcbf9cb55d19da1e7f849d11d8eb216@visp.net.lb>
On Wed, 20 Jul 2011 18:54:44 +0300
Denys Fedoryshchenko <denys@visp.net.lb> wrote:
> On Wed, 20 Jul 2011 08:37:53 -0700, Stephen Hemminger wrote:
> >
> > If caching is a problem, I would rather just get rid of the cache
> > altogether.
> > There are a number of other places where it is a problem as well.
> It is good, but it must be controlled. Also people put some efforts to
> improve it...
> Before i did custom patch to "trash" the cache, but after cache
> improved i should rewrite it. If required, i can make cache behavior
> changeable (on,off,flush ?).
> Will it help for you too?
>
> I think ifindex is good anyway, because sometimes it is better to refer
> to specific ppp interface by ifindex.
The problem is that it is not possible to make a "safe" cache since
it is possible for network device names to be changed at any time.
next prev parent reply other threads:[~2011-07-20 15:58 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-07-18 8:38 [RFC] iproute2, ifindex option Denys Fedoryshchenko
2011-07-20 15:37 ` Stephen Hemminger
2011-07-20 15:54 ` Denys Fedoryshchenko
2011-07-20 15:58 ` Stephen Hemminger [this message]
2011-07-20 16:12 ` Denys Fedoryshchenko
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