AMBARI-15465. Increase Ambari Server Perm gen default value. (Daniel Gergley via stoader)

ambari-server/conf/unix/ambari-env.sh

@@ -15,7 +15,7 @@
 
 
 AMBARI_PASSHPHRASE="DEV"
-export AMBARI_JVM_ARGS=$AMBARI_JVM_ARGS' -Xms512m -Xmx2048m -Djava.security.auth.login.config=$ROOT/etc/ambari-server/conf/krb5JAASLogin.conf -Djava.security.krb5.conf=/etc/krb5.conf -Djavax.security.auth.useSubjectCredsOnly=false'
+export AMBARI_JVM_ARGS=$AMBARI_JVM_ARGS' -Xms512m -Xmx2048m -XX:MaxPermSize=128m -Djava.security.auth.login.config=$ROOT/etc/ambari-server/conf/krb5JAASLogin.conf -Djava.security.krb5.conf=/etc/krb5.conf -Djavax.security.auth.useSubjectCredsOnly=false'
 export PATH=$PATH:$ROOT/var/lib/ambari-server
 export PYTHONPATH=$PYTHONPATH:$ROOT/usr/lib/python2.6/site-packages
 

ambari-server/src/main/python/ambari_server_main.py

@@ -53,7 +53,7 @@ if ambari_provider_module is not None:
   ambari_provider_module_option = "-Dprovider.module.class=" + \
                                   ambari_provider_module + " "
 
-jvm_args = os.getenv('AMBARI_JVM_ARGS', '-Xms512m -Xmx2048m')
+jvm_args = os.getenv('AMBARI_JVM_ARGS', '-Xms512m -Xmx2048m -XX:MaxPermSize=128m')
 
 ENV_FOREGROUND_KEY = "AMBARI_SERVER_RUN_IN_FOREGROUND"
 IS_FOREGROUND = ENV_FOREGROUND_KEY in os.environ and os.environ[ENV_FOREGROUND_KEY].lower() == "true"
@@ -62,6 +62,7 @@ SERVER_START_CMD = "{0} " \
     "-server -XX:NewRatio=3 " \
     "-XX:+UseConcMarkSweepGC " + \
     "-XX:-UseGCOverheadLimit -XX:CMSInitiatingOccupancyFraction=60 " \
+    "-XX:+CMSClassUnloadingEnabled " \
     "-Dsun.zip.disableMemoryMapping=true " + \
     "{1} {2} " \
     "-cp {3} "\
@@ -85,6 +86,7 @@ SERVER_START_CMD_WINDOWS = "{0} " \
     "-server -XX:NewRatio=3 " \
     "-XX:+UseConcMarkSweepGC " + \
     "-XX:-UseGCOverheadLimit -XX:CMSInitiatingOccupancyFraction=60 " \
+    "-XX:+CMSClassUnloadingEnabled " \
     "{1} {2} " \
     "-cp {3} " \
     "org.apache.ambari.server.controller.AmbariServer"