netdev - Re: ppp/pppoe, still panic 4.15.3 in ppp

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Message-ID: <20180305172203.GE1413@alphalink.fr>
Date:   Mon, 5 Mar 2018 18:22:03 +0100
From:   Guillaume Nault <g.nault@...halink.fr>
To:     Denys Fedoryshchenko <nuclearcat@...learcat.com>
Cc:     Cong Wang <xiyou.wangcong@...il.com>,
        Linux Kernel Network Developers <netdev@...r.kernel.org>
Subject: Re: ppp/pppoe, still panic 4.15.3 in ppp_push

On Sat, Mar 03, 2018 at 11:33:53AM +0200, Denys Fedoryshchenko wrote:
> On 2018-03-02 19:43, Guillaume Nault wrote:
> > Out of curiosity, did unit-cache really bring performance improvements
> > on your workload?
> On old kernels it definitely did, due local specifics (electricity outages)
> i might have few thousands of interfaces deleted and created again in short
> period of time.
> And before interfaces creation/deletion (especially when there is thousands
> of them) was very expensive.
I see. Our workload is a bit different, that's probably why we've never
felt the need for the unit-cache.