Thanks Norman, Will try to see this as soon as I can get some time from paid job :)
cheers ashish On Mon, Apr 5, 2010 at 1:27 PM, Norman Maurer <norman.mau...@googlemail.com> wrote: > Hi Ashish, > > thx for your reply. The problem is sometimes it takes sometime to get > the OOM, other times it happens within one minute. One of our users > reported to me that it happened within 1 minute (10 seconds and 30 > seconds), after he switched to MINA trunk. So it seems it is faster > reproducable with MINA trunk. I uploaded the screenshot of Eclipse > Memory Analyzer to : > > http://people.apache.org/~norman/oom/Screenshot-Eclipse_Memory_Analyzer.png > > This was the one we got with MINA trunk. So you it again shows all the > memory allocated by MINA. > > To reproduce the OOM you must perform the following steps: > > 1) svn checkout http://svn.apache.org/repos/asf/server/trunk james-trunk > 2) cd james-trunk > 2) mvn clean package > 3) tar xfvz spring-deployment/target/james-spring-deployment-3.0-M1-bin.tar.gz > 4) cd james-string-deploymnet-3.0-M1/bin > 5) sudo ./run.sh > 6) telnet localhost 4555 (user root, pass root) > 7) adduser test test > 8) quit > > Now bomb the server with emails. You can use for example smtp-source > for it (wich is included in postfix) > 9) smtp-source -s 20 -l 10100 -m 200000 -c -f t...@test.de -t test > localhost:25 > > This will bomb the servers with 200000 emails with 20 concurrent sessions. > > Hope this helps, > Bye, > Norman > > 2010/4/5 Ashish <paliwalash...@gmail.com>: >> On Sun, Apr 4, 2010 at 12:59 AM, Norman Maurer <nor...@apache.org> wrote: >>> Hi all, >>> >>> we at JAMES use MINA since a while now for our socket stuff. After >>> doing some stress tests we encountered some OOM Exceptions. The same >>> was seen by one of our users which use JAMES trunk. After debugging >>> stuff it seems like the cause of the OOM is MINA. We took some heap >>> which shows that MINA is takin the most memory. The class which shows >>> the memory usage was: >>> >>> org.apache.mina.filter.codec.ProtocolCodecFilter$EncodedWriteRequest >>> >>> I attach the screnshots which shows the problem. Any idea ? We are >>> using MINA-2.0.0-RC1. >>> >>> Maybe I'm wrong and the whole OOM is not related to MINA at all.. >>> >>> Thanks, >>> Norman >>> >>> Ps: Please keep server-dev in the cc >> >> Norman, >> >> Is there a way to reproduce this? I just want to try it out myself and debug. >> >> -- >> thanks >> ashish >> >> Blog: http://www.ashishpaliwal.com/blog >> My Photo Galleries: http://www.pbase.com/ashishpaliwal >> > -- thanks ashish Blog: http://www.ashishpaliwal.com/blog My Photo Galleries: http://www.pbase.com/ashishpaliwal --------------------------------------------------------------------- To unsubscribe, e-mail: server-dev-unsubscr...@james.apache.org For additional commands, e-mail: server-dev-h...@james.apache.org
