netdev - Re: Scaling 'ip addr add' (was Re: What's the right way to use a *large* number of source addresses?)

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Message-ID: <5385C731.5060709@mojatatu.com>
Date:	Wed, 28 May 2014 07:23:29 -0400
From:	Jamal Hadi Salim <jhs@...atatu.com>
To:	sowmini varadhan <sowmini05@...il.com>,
	Eric Dumazet <eric.dumazet@...il.com>
CC:	Niels Möller <nisse@...thpole.se>,
	netdev <netdev@...r.kernel.org>, Jonas Bonn <jonas@...thpole.se>
Subject: Re: Scaling 'ip addr add' (was Re: What's the right way to use a
 *large* number of source addresses?)

On 05/28/14 06:01, sowmini varadhan wrote:
>> You did not provide kernel version you used.
>>
>> Last time I checked, we were spending _lot_ of time in check_lifetime()
>>
>> ( this stuff was added in linux-3.9 )
>>
>
> Built the latest kernel (vmlinuz-3.15.0-rc6+) from a clone
> of kernel.git from may 24
>
> --Sowmini
>

Did you try the scenario where you add many IP addresses to the same
interface? Try to do a listing of the ip addresses then, should be
fun.

cheers,
jamal
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