Your issue may be caused by @Grab, that download and load jars into the permgen.
On Thu, Sep 26, 2013 at 9:58 AM, Quân Lê <[email protected]> wrote: > I tried with XX:MaxPermSize=256M but with 1 request per 2sec. > The PermGen memory is going like 15mb/min. > All the code of responing page is just like this: > {{groovy}} > @Grab(group='com.gmongo', module='gmongo', version='1.0') > import com.gmongo.GMongo > import groovy.json.* > > def data = [] // a list contain data > > def gmongo = new GMongo() > def dbConn = gmongo.getDB('dbtest') > // Not query database but it already go crazy > gmongoObject.close() > > // For GC > dbConn = null > gmongoObject = null > > // Convert into JSON > def slurper = new JsonSlurper() > def builder = new JsonBuilder(data) > println builder.toString() > > // For GC > slurper = null > builder = null > {{/groovy}} > > > 2013/9/26 Thomas Mortagne <[email protected]> > >> Well without changing your script all I can suggest is to allocate >> more permgen to java using >> >> -XX:MaxPermSize=<enough memory>M >> >> >> On Thu, Sep 26, 2013 at 9:25 AM, Quân Lê <[email protected]> wrote: >> > Thank you >> > It's true that the more script responing page processes, the more classes >> > are loaded. >> > Is there anyway to prevent OutOfmemory Exception happened? >> > >> > >> > 2013/9/26 Thomas Mortagne <[email protected]> >> > >> >> I doubt it has anything to do with the request itself, it's probably >> >> more related to what your page is doing. From what I understand your >> >> page create directly or indirectly new classes. Note that most script >> >> languages compile the script into a new Java class before executing it >> >> so if you execute a lot of very big scripts at the same time it can >> >> probably be pretty costy for the permgen. Something else that could be >> >> costy is if you load a jar in this page for example with the "jars" >> >> property of script macros. >> >> >> >> On Thu, Sep 26, 2013 at 8:53 AM, lequan.moon <[email protected]> >> >> wrote: >> >> > Hi, >> >> > I'm making an application that make an AJAX request frequently from >> page >> >> to >> >> > page in xwiki. >> >> > About 1 per 10s >> >> > The request look like this: >> >> > >> >> > $.ajax({ >> >> > type: "GET", >> >> > crossDomain: true, >> >> > url: "/xwiki/bin/get/Lib/LibPage?outputSyntax=plain", >> >> > dataType: 'text', >> >> > data: data2send, >> >> > success: function(result) {...}, >> >> > error: function(xhr, status, error) { >> >> > console.log(error) >> >> > console.log(status) >> >> > console.log(xhr) >> >> > } >> >> > }); >> >> > >> >> > And respone is simple as a text or something like a JSON Map, List. >> >> > I took a look at jconsole and here it is >> >> > < >> >> >> http://xwiki.475771.n2.nabble.com/file/n7587262/9-26-2013_1-51-09_PM.jpg> >> >> > >> >> > Please help! I don't understand how xwiki works on this. >> >> > >> >> > Thank in advanced. >> >> > >> >> > >> >> > >> >> > >> >> > -- >> >> > View this message in context: >> >> >> http://xwiki.475771.n2.nabble.com/Frrequently-AJAX-request-caused-PernGen-Exception-OutOfMemory-tp7587262.html >> >> > Sent from the XWiki- Dev mailing list archive at Nabble.com. >> >> > _______________________________________________ >> >> > devs mailing list >> >> > [email protected] >> >> > http://lists.xwiki.org/mailman/listinfo/devs >> >> >> >> >> >> >> >> -- >> >> Thomas Mortagne >> >> _______________________________________________ >> >> devs mailing list >> >> [email protected] >> >> http://lists.xwiki.org/mailman/listinfo/devs >> >> >> > >> > >> > >> > -- >> > ======Lê Minh Quân====== >> > _______________________________________________ >> > devs mailing list >> > [email protected] >> > http://lists.xwiki.org/mailman/listinfo/devs >> >> >> >> -- >> Thomas Mortagne >> _______________________________________________ >> devs mailing list >> [email protected] >> http://lists.xwiki.org/mailman/listinfo/devs >> > > > > -- > ======Lê Minh Quân====== > _______________________________________________ > devs mailing list > [email protected] > http://lists.xwiki.org/mailman/listinfo/devs -- Thomas Mortagne _______________________________________________ devs mailing list [email protected] http://lists.xwiki.org/mailman/listinfo/devs
