Thanks for the feedback, could you start to boot the server with -Xms1024M -Xmx1024M ? Cause I doubt that the Heap space error will happen with 17 or 20 (or 100 users) when 1GB of Ram is really available.
Sebastian 2013/2/13 Irina Arkhipets <[email protected]> > Hi Sebastian,**** > > ** ** > > Just two additional comments from my side:**** > > ** ** > > **1. **"-Xms512M -Xmx1024M” java keys were used for OM starting**** > > **2. **All the 19 users in the room had their video windows opened** > ** > > ** ** > > Previously, when we run OM without “-Xmx” option specified, it died on the > 14th user in the room approximately under the similar conditions.**** > > ** ** > > Regards,**** > > Irina.**** > > ** ** > > *From:* [email protected] [mailto:[email protected]] > *Sent:* Wednesday, February 13, 2013 5:38 AM > *To:* dev > *Subject:* Re: OM stress testing**** > > ** ** > > What script did you use to startup the server?**** > > You should use the red5-highperf.sh and have a look at the values for Xmx > (max memory) and Xms (min memory).**** > > Please include those runtime informations / configurations from your start > script in the stress test report.**** > > I tried to summarize some links and documentation about performance tuning > once: > http://openmeetings.apache.org/JVMPerformanceTuning.html**** > > Se for example the link to the JVM settings: > > http://www.oracle.com/technetwork/java/javase/tech/vmoptions-jsp-140102.html#PerformanceTuning > **** > > But Xmx and Xms is really the most important thing. There is also some > param regard Heap and Thread, that are quite important for performance.*** > * > > ** ** > > I think by default the JVM will aquire 60 MB. > > Sebastian**** > > ** ** > > 2013/2/13 Stephen Cottham <[email protected]>**** > > At a guess I'd say you need more then 2 gig of RAM based on the exception > from the java heap space. > > Sent from my iPad**** > > > On 12 Feb 2013, at 22:25, "Joseph Karwat" <[email protected]> wrote:**** > > Vasiliy:**** > > **** > > Terrific information and test. I look forward to seeing more of your > results. It would be helpful to understand what caused the error. Would a > more powerful computer handle the load or is there a physical limit of 20 > regardless of environment. Let me know how I can help.**** > > **** > > Joseph **** > > **** > > Joseph Karwat | CEO | 415-462-0263 | JellVideo <http://www.jellvideo.com/>| > www.jellnet.com | *Error! Filename not specified.* **** > > *Jell Networks, Inc**. ***** > > Enterprise Video Collaboration Solutions**** > > **** > > Click Here to Register for your JellVideo Collaboration > Account<http://www.jellvideo.com/> > **** > > **** > > **** > > *Stephen Cottham > *Group IT Manager (Associate) > > Robert Bird Group > Level 5, 333 Ann St > Brisbane, Queensland, 4000, Australia**** > > *Phone: +6173 319 2777 <%2B6173%20319%202777> (AUS)***** > > *Phone: +44207 633 2880 <%2B44207%C2%A0633%202880> (UK)***** > > *Fax: +6173 319 2799 <%2B6173%20319%202799>***** > > **** > > *Mobile: +61400 756 963 <%2B61400%20756%20963> (AUS)***** > > *Mobile: +447900 918 616 <%2B447900%20918%20616> (UK)***** > > *Web: **www.robertbird.com* <http://www.robertbird.com/>**** > > *Error! Filename not specified.* <http://www.robertbird.com.au/> > > > This email and any attachments are confidential and may contain legally > privileged information or copyright material. Unless expressly stated, > confidentiality and/or legal privilege is not intended to be waived by the > sending of this email. The contents of this email, including any > attachments, are intended solely for the use of the individual or entity to > whom they are addressed. If you are not an intended recipient, please > contact us immediately by return email and then delete both messages. You > may not otherwise read, forward, copy, use or disclose this email or any > attachments. Any views expressed in this email are those of the individual > sender except where the sender expressly, and with authority, states > otherwise. It is your responsibility to check any attachments for viruses > or defects before opening or sending them on. None of the sender or its > related entities accepts any liability for any consequential damage > resulting from this email containing computer viruses. **** > > **** > > > Disclaimer added by *CodeTwo Exchange Rules* > www.codetwo.com**** > > ** ** > > *From:* Vasya [mailto:[email protected]] > *Sent:* Tuesday, February 12, 2013 12:49 AM > *To:* [email protected] > *Subject:* OM stress testing**** > > **** > > Hello all!**** > > Today we have started stress testing of Openmeetings to detect reliability > and collect statistics.**** > > We plan to run stress tests weekly (on Tuesdays) and send reports to > [email protected] .**** > > Tested server configuration is: **** > > OS: Ubuntu 10.04.3 LTS**** > > • RAM 2 GB **** > > • CPU Intel(R) Celeron (R) E3300 @ 2.50GHz**** > > Tested scenario is:**** > > • Start OM conference **** > > • Start recording**** > > • Start screen sharing**** > > • Connect to conference while server is not crashed.**** > > **** > > Today results meet our expectations, please see a report below.**** > > Maximum number of the users in the system – 20**** > > Maximum number of the users in one room of the type “Conference” with the > screen sharing and recordings turned on – 19. **** > > All the users were logged from two Windows workstations.**** > > Result: After 19 connections server is down.**** > > Error message in log file is: "2013-02-12 08:02:07,844 [NioProcessor-7] > WARN o.r.s.net.rtmp.RTMPMinaIoHandler - Exception caught Java heap space"* > *** > > Log file is attached.**** > > > Thanks,**** > > Vasiliy**** > > **** > > > > > -- > Sebastian Wagner > https://twitter.com/#!/dead_lock > http://www.webbase-design.de > http://www.wagner-sebastian.com > [email protected] **** > -- Sebastian Wagner https://twitter.com/#!/dead_lock http://www.webbase-design.de http://www.wagner-sebastian.com [email protected]
