[Lithium redesign] OOM errors, CPU 100% with 128 connected switches

1) Run karaf
2) Enable the below features
feature:install odl-openflowplugin-flow-services
feature:install odl-dlux-all
feature:install odl-l2switch-all
feature:install odl-l2switch-switch-ui
feature:install odl-l2switch-switch-rest

3) Using mininet connect 300 switches in linear topology
4) Controller crashed.
4) Switch connections move to CLOSE_WAIT state.
5) karaf console showed below exception
java.io.IOException: Exception in opening zip file: /root/odl/distribution-karaf-0.3.0-SNAPSHOT/data/cache/org.eclipse.osgi/bundles/26/1/bundlefile
at org.eclipse.osgi.framework.util.SecureAction.getZipFile(SecureAction.java:291)
at org.eclipse.osgi.baseadaptor.bundlefile.ZipBundleFile.basicOpen(ZipBundleFile.java:87)
at org.eclipse.osgi.baseadaptor.bundlefile.ZipBundleFile.getZipFile(ZipBundleFile.java:100)
at org.eclipse.osgi.baseadaptor.bundlefile.ZipBundleFile.checkedOpen(ZipBundleFile.java:73)
at org.eclipse.osgi.baseadaptor.bundlefile.ZipBundleFile.getEntry(ZipBundleFile.java:245)
at org.eclipse.osgi.baseadaptor.loader.ClasspathManager.findClassImpl(ClasspathManager.java:542)
at org.eclipse.osgi.baseadaptor.loader.ClasspathManager.findLocalClassImpl(ClasspathManager.java:492)
at org.eclipse.osgi.baseadaptor.loader.ClasspathManager.findLocalClass(ClasspathManager.java:465)
at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.findLocalClass(DefaultClassLoader.java:216)
at org.eclipse.osgi.internal.loader.BundleLoader.findLocalClass(BundleLoader.java:395)
at org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:464)
at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:421)
at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:412)
at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(DefaultClassLoader.java:107)
at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
at jline.internal.Log.warn(Log.java:114)
at jline.internal.TerminalLineSettings.getProperty(TerminalLineSettings.java:97)
at jline.UnixTerminal.getWidth(UnixTerminal.java:75)
at jline.console.ConsoleReader.drawBuffer(ConsoleReader.java:834)
at jline.console.ConsoleReader.drawBuffer(ConsoleReader.java:853)
at jline.console.ConsoleReader.putString(ConsoleReader.java:793)
at jline.console.ConsoleReader.readLine(ConsoleReader.java:2533)
at jline.console.ConsoleReader.readLine(ConsoleReader.java:2162)
at org.apache.karaf.shell.console.impl.jline.ConsoleImpl.readAndParseCommand(ConsoleImpl.java:280)
at org.apache.karaf.shell.console.impl.jline.ConsoleImpl.run(ConsoleImpl.java:207)
at java.lang.Thread.run(Thread.java:744)
at org.apache.karaf.shell.console.impl.jline.ConsoleFactoryService$3.doRun(ConsoleFactoryService.java:126)
at org.apache.karaf.shell.console.impl.jline.ConsoleFactoryService$3$1.run(ConsoleFactoryService.java:117)
at java.security.AccessController.doPrivileged(Native Method)
at org.apache.karaf.jaas.modules.JaasHelper.doAs(JaasHelper.java:47)
at org.apache.karaf.shell.console.impl.jline.ConsoleFactoryService$3.run(ConsoleFactoryService.java:115)
Caused by: java.io.FileNotFoundException: /root/odl/distribution-karaf-0.3.0-SNAPSHOT/data/cache/org.eclipse.osgi/bundles/26/1/bundlefile (Too many open files)
at java.util.zip.ZipFile.open(Native Method)
at java.util.zip.ZipFile.<init>(ZipFile.java:215)
at java.util.zip.ZipFile.<init>(ZipFile.java:145)
at java.util.zip.ZipFile.<init>(ZipFile.java:159)
at org.eclipse.osgi.framework.util.SecureAction.getZipFile(SecureAction.java:274)
... 30 more

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Note:
With Helium SR2 version the same test case passed
Just connecting 300 switches without any links works fine.

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