netdev - Re: [PATCH iproute2-next] Improve batch times by caching link lookups

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Message-ID: <324728e6-d0a6-a752-a50e-62d4f9d6c55d@gmail.com>
Date:   Mon, 7 Jan 2019 14:52:04 -0700
From:   David Ahern <dsahern@...il.com>
To:     Stephen Hemminger <stephen@...workplumber.org>,
        David Ahern <dsahern@...nel.org>
Cc:     netdev@...r.kernel.org
Subject: Re: [PATCH iproute2-next] Improve batch times by caching link lookups

On 1/7/19 2:31 PM, Stephen Hemminger wrote:
> 
> What if a ip command in the batch does a rename?
> 

Simplest action (meaning least overhead for non-batch) is to drop any
entry from the cache. If a later command needs it, the cache entry can
be re-created.