My Workload management colleagues are complaining that on Mondays, my Linux LPAR eats an average of 20% of the CPU about 1-2 AM for an hour or so. Mostly it is just hovering g at 1.5-2.9 %
I was wondering if a weekly cleanup/webalizer thingy could be the culprit. This is in my /etc/crontab. I'm having trouble figuring out what the first set is, as it seems to be default or built by something that was installed. I don't do any faxes with this LPAR. The second set is fairly clear = just wondering mostly on this stuff what the 0 0 and * * * means. The only thing I ever asked cron to set up was webalizer, which I suspect as the culprit for the CPU use on Mondays, but that's just a gut feeling. SHELL=/bin/sh PATH=/usr/bin:/usr/sbin:/sbin:/bin:/usr/lib/news/bin MAILTO=root #-* * * * * root test -x /usr/sbin/atrun && /usr/sbin/atrun 0 21 * * * root test -x /usr/sbin/faxqclean && /usr/sbin/faxqclean 5 22 * * * root test -x /usr/sbin/texpire && /usr/sbin/texpire 25 23 * * * root test -e /usr/sbin/faxcron && sh /usr/sbin/faxcron | mail FaxMaster # # check scripts in cron.hourly, cron.daily, cron.weekly and cron.monthly # -*/15 * * * * root test -x /usr/lib/cron/run-crons && /usr/lib/cron/run-crons 0 0 * * * root rm -f /var/spool/cron/lastrun/cron.daily 0 0 * * 6 root rm -f /var/spool/cron/lastrun/cron.weekly 0 0 1 * * root rm -f /var/spool/cron/lastrun/cron.monthly 0 0 * * * root webalizer
