host_name and service_description examples

[Daniel Drown]

On Mon, 13 Jun 2005, Andreas Ericsson wrote:
> I've made some corrections to the benchmark code, and a couple of cheap 
> optimizations. For those who want to test it for themselves (a whopping 
> 3 downloads so far ;), I suggest you leech the new version from 
> http://oss.op5.se/nagios/nagios-hash.tar.gz and give it a shake.
> 
> Ethan; If it's allright with you, I'll go ahead and implement Paul 
> Hsie's hash. It looks up 1074600 hostname strings in 358msecs with the 
> current table-size of 1024 buckets (compared to 987msecs for the 
> additive hash currently in use). I'd also suggest wasting some memory 
> here. Upping the hash-table size to 16384 buckets (64Kb on 32-bit archs) 
> cuts another 40% off the average lookup time while staying fairly 
> friendly to the hardware.

Neat.  I'm afraid the current brain-dead hash function is from me starting
with something simple, and leaving it when it worked for a few thousand hosts
and services.

Thank you for your effort, I have found your collection of hash functions to
be very educational.

- Dan


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