I'm noticing that whenever the zimbra helper app (v5) runs the cpu usage goes nuts. It also spins up syslogd into a frenzy and between the two of them over 100% cpu is eaten until the zimbra helper app quits out, then the syslogd calms down as well. I probable wouldn't have noticed but on the MBP it this cycle forces the fans on and that gets damed annoying every 5 minutes

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Not sure what I should capture on this but I can reproduce it easily (just by waiting for forcing a sync)