With 59 accounts time is:
real 0m4.957s
user 0m1.282s
sys 0m1.586s

I turned zmmtaconfigctl off and now CPU usage is smaller and it takes less time. See attachment...

With 59 accounts:

real 0m4.957s
user 0m1.282s
sys 0m1.586s

I turned zmmtaconfigctl off and now CPU usage looks like this:
http://www.bezpiecznemiasto.zgora.pl/files/prob.jpg

I have the same problem.Both on Debian 5 and CenOS 5.3/5.4. Every 2 minutes high CPU load. I didn't install proxy/memcached.

Hello.
Every 2 minutes I have 100% CPU usage in my Zimbra box.

Htop shows that 100% generates "/opt/zimbra/java/bin/java -XX:ErrorFile=/opt/zimbra/log -client -Dzimbra.home=/opt/zimbra -cp...