Hi, I'm going to increase the permgen to 192MB for now since we need XWiki to work and I've raised http://jira.xwiki.org/browse/XWIKI-8853
Thanks -Vincent On Feb 25, 2013, at 3:01 PM, Vincent Massol <[email protected]> wrote: > Hi devs, > > Right now we recommend this on > http://platform.xwiki.org/xwiki/bin/view/AdminGuide/Installation#HPrerequisites > : > "A minimum of 300MB of heap memory and 96MB of permGen. Recommended values > are above 512MB for the heap and 128MB for the permGen (-Xmx512m > -XX:MaxPermSize=128m)" > > I've discovered on > http://ci.xwiki.org/job/xwiki-enterprise-test-extension/org.xwiki.enterprise$xwiki-enterprise-test-extension/1543/console > that we had an OOM and it seems to happen more and in more in our functional > tests on CI. Something we've done must have increased our permgen memory. > > I've done some measurements with yourkit and here's what I found: > * After XWiki is started and before any page is called we already use 64MB of > permgen > * After calling the home page, the permgen used goes to 101MB > * After calling a page using the code macro, the permgen goes to 132MB > > So it seems that your default value of 96MB and recommended value of 128MB > are not enough… > > BTW forcing garbage collection reduces from 132MB to 130MB (not much). > > We need to either find what is taking all our permgen memory or if it's legit > increase our recommendations and the default value we use in > start_xwiki.sh/bat > > Any idea? > > My hunch tells me the Extension Manager could be the cause. > > Thanks > -Vincent _______________________________________________ devs mailing list [email protected] http://lists.xwiki.org/mailman/listinfo/devs

