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Originally Posted by bbska I can see some positives and some negatives to this. The main negatives I'm seeing are that on systems where zimbra is not the only thing running zimbra can hog resources since it's set up to, by default, take a significant portion of the available memory. This deprives the other applications of memory and can cause the system to slow to a crawl.
Is there any way to limit the amount of memory zimbra uses? |
Zimbra assumes it's the only application. So my guess is running the other apps are starving the total system of RAM and forcing zimbra and the other apps to use swap. You should use zmlocalconfig to lower the ram percentages for tomcat/java and mysql. I'd also experiment with zimbra with your other applications off. My guess is under both those conditions you'll see a much happier system. Our internal mail server has only local disk and 2GB RAM, but with dual 2.8GHz cpus and works fine for a much larger group of folks who are very very heavy mail users most with multiple GB mailboxes.
[zimbra@mail ~]$ zmlocalconfig |grep mem
mysql_memory_percent = 40
tomcat_java_heap_memory_percent = 30