On Fri, 10 Nov 2000, Kevin Hemenway wrote:
>
> CACHEFILE /home/httpd/html/dxxx.com/analog/.cache/*.cache
> LOGFILE /var/log/httpd/dxxx.com-access_log.1
> LOGFORMAT %B
> LOGFILE /var/log/httpd/dxxx.com-agent_log.1
> LOGFORMAT REFERRER
> LOGFILE /var/log/httpd/dxxx.com-referer_log.1
> OUTFILE /home/httpd/html/dxxxx.com/analog/000000totals.htm
> CACHEOUTFILE /home/httpd/html/disobey.com/analog/.cache/%Y%M%D.cache
>
This procedure is wrong. You are combining all the old cache files, and the
new log files, into a new cache file. What happens when you try this?
Cache 1 gets week 1. OK.
Cache 2 gets cache 1 and week 2 = weeks 1 & 2. Still OK.
Cache 3 gets caches 1 & 2 and week 3 = week 1, weeks 1 & 2, and week 3.
Whoops, week 1 has been included twice.
Cache 4 gets caches 1 - 3 and week 4. This is 4 copies of week 1, 2 copies
of week 2, 1 copy of week 3 and 1 copy of week 4. And it gets worse
after that. :)
Analog should have warned you that you were analysing overlapping files
though. Anyway, the correct procedure is outlined in docs/cache.html.
--
Stephen Turner http://www.statslab.cam.ac.uk/~sret1/
Statistical Laboratory, Wilberforce Road, Cambridge, CB3 0WB, England
"The new operating system will recover more easily from system crashes."
(Microsoft, aiming high with Windows Millennium)
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