Not sure whether this is correctly set as "bug" or "annoyance." :-) There's some sort of logrotate problem that is causing missing logs on the proxy* hosts. I regularly use these logs to get direct download stats:
/var/log/hosts/proxy*/YYYY/MM/DD/http/download.fedoraproject.org-access.log
Those are missing for 2008-12-15 and tend to have problems every few days to a week. If nothing else this ticket is meant to record for posterity what's up and why our stats might be a little out of whack here and there.
/me working on something to fix this now
Ok, so the root cause is /etc/cron.daily/ is getting stuck sometimes. We still haven't figured that out. (cron.daily runs its job in a list, if something early on in the list hangs, the later stuff won't get run.
Since that's hard to reproduce, I've made a band aid. The script that syncs logs now always tries to sync the last 3 days worth of logs. If the logs are there, syncs are quick, if they're not, they get put there. We'll see if this at least fixes your use case.
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