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https://issues.apache.org/jira/browse/OPENMEETINGS-808?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13781263#comment-13781263
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Maxim Solodovnik commented on OPENMEETINGS-808:
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exec for selenium can be updated as follows:


                <exec dir="${dist.dir}/testred5" executable="/bin/bash" 
osfamily="unix" output="${dist.dir}/testred5/red5_system.log">
                        <env key="JVM_OPTS" 
value="-XX:+CMSClassUnloadingEnabled -XX:+CMSPermGenSweepingEnabled 
-XX:MaxPermSize=512M -Xmx1024m -Xms512m -Xss256k -XX:+AggressiveOpts 
-XX:+DisableExplicitGC -XX:ParallelGCThreads=4 -XX:+UseConcMarkSweepGC 
-Xverify:none -XX:+TieredCompilation -XX:+UseBiasedLocking -XX:+UseStringCache 
-XX:+UseParNewGC -XX:SurvivorRatio=16 -XX:TargetSurvivorRatio=90 
-XX:MaxTenuringThreshold=31 -Djava.net.preferIPv4Stack=true 
-XX:InitialCodeCacheSize=8m -XX:ReservedCodeCacheSize=32m 
-Dorg.terracotta.quartz.skipUpdateCheck=true"/>
                        <arg value="red5.sh"/> 
                </exec>


> Installation using Derby default database configuration seems to have 
> performance issues
> ----------------------------------------------------------------------------------------
>
>                 Key: OPENMEETINGS-808
>                 URL: https://issues.apache.org/jira/browse/OPENMEETINGS-808
>             Project: Openmeetings
>          Issue Type: Bug
>            Reporter: SebastianWagner
>         Attachments: DerbyHangsAfterInstallationInLogin.png
>
>
> When doing the default installation option using derby it seems the 
> application hangs
> Also if you use then commands like red5-highperf.sh the memory settings don't 
> fix the issues.
> And red5-shutdown.sh throws an error that it cannot shut down the server.
> We should either fix that or get rid of Derby. Its a quite user experience to 
> have the very first thing in the installation to see failing.



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