Re: [Zinq-general] Patch to open data.cdb no more than once per second

Jos Backus <[email protected]>
Newsgroups gmane.network.djbdns
Message-ID <[email protected]>
On Thu, Mar 26, 2009 at 06:55:39PM -0500, Mark Johnson wrote:
> The idea is to minimize the per query overhead.  I don't know that
> trading a mmap/munmap per query for a stat per query would be that
> great of a trade.  Reopening data.cdb only upon receipt of, say, a
> SIGHUP, would be even better, but that would *really* surprise people.

I'm no VM expert but I would imagine that a stat() would be cheaper unless it
has to hit the disk. Assuming the data.cdb doesn't change often, most of the
time the data would be cached.

-- 
Jos Backus
jos at catnook.com
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