Re: Stale entries in dnscache's cache structure

Mark Johnson <[email protected]>
Newsgroups gmane.network.djbdns
Message-ID <[email protected]> 
On Wed, Mar 10, 2010 at 3:39 PM, Laurent Bercot <[email protected]> wrote:
>  What do you think ? Should I go for the theoretically better solution,
> or does usage show that this flaw in dnscache is never a problem in
> practice and simplicity wins ?

To quote djb himself - 'Profile. Don't speculate.'

  http://en.wikiquote.org/wiki/Daniel_J._Bernstein

Log records added to the cache along with records in the cache about
to be overwritten.  Play the log back offline and compute some stats.
Or dump the entire cache periodically for analysis.
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