diff --git a/cave/build/cave/memorySettings.xml b/cave/build/cave/memorySettings.xml
index 918392b814..af650c1add 100644
--- a/cave/build/cave/memorySettings.xml
+++ b/cave/build/cave/memorySettings.xml
@@ -394,7 +394,7 @@
             <site-type>wfo</site-type>
 			<ini-substitutions>
 				<max-memory>
-					<value>3072M</value>
+					<value>2560M</value>
 				</max-memory>
 			
 				<max-perm>
@@ -433,7 +433,7 @@
             <site-type>cwsu</site-type>
 			<ini-substitutions>
 				<max-memory>
-					<value>3072M</value>
+					<value>2560M</value>
 				</max-memory>
 			
 				<max-perm>
diff --git a/cave/com.raytheon.viz.gfe/src/com/raytheon/viz/gfe/dialogs/AbstractSaveParameterDialog.java b/cave/com.raytheon.viz.gfe/src/com/raytheon/viz/gfe/dialogs/AbstractSaveParameterDialog.java
index d96b935d09..da76c94e5c 100644
--- a/cave/com.raytheon.viz.gfe/src/com/raytheon/viz/gfe/dialogs/AbstractSaveParameterDialog.java
+++ b/cave/com.raytheon.viz.gfe/src/com/raytheon/viz/gfe/dialogs/AbstractSaveParameterDialog.java
@@ -47,6 +47,7 @@ import com.raytheon.uf.common.status.UFStatus;
 import com.raytheon.uf.common.status.UFStatus.Priority;
 import com.raytheon.uf.common.time.util.ITimer;
 import com.raytheon.uf.common.time.util.TimeUtil;
+import com.raytheon.uf.common.util.memory.GarbageUtil;
 import com.raytheon.uf.viz.core.VizApp;
 import com.raytheon.viz.gfe.core.DataManager;
 import com.raytheon.viz.gfe.core.GfeClientConfig;
@@ -68,6 +69,7 @@ import com.raytheon.viz.ui.dialogs.CaveJFACEDialog;
  * Feb 13, 2013 1597       randerso    Made number of concurrent save threads a configurable value.
  *                                     Added logging to support GFE Performance metrics
  * Nov 20, 2013 2488       randerso    Changed to use DejaVu font
+ * Jun 16, 2014 3274       njensen     Garbage collect after save is finished
  * 
  * </pre>
  * 
@@ -236,6 +238,11 @@ public abstract class AbstractSaveParameterDialog extends CaveJFACEDialog
                                     .saveFinished(allSuccessful.get());
                         }
                     });
+                    /*
+                     * this dialog is already blocking so a user's not going to
+                     * notice the pause caused by a garbage collect
+                     */
+                    GarbageUtil.releaseMemoryToOS();
                 }
                 return Status.OK_STATUS;
             }
diff --git a/cave/com.raytheon.viz.product.awips/awips.product b/cave/com.raytheon.viz.product.awips/awips.product
index ffa33d0a95..d7ad8aac7f 100644
--- a/cave/com.raytheon.viz.product.awips/awips.product
+++ b/cave/com.raytheon.viz.product.awips/awips.product
@@ -16,10 +16,9 @@
    <launcherArgs>
       <programArgs>-data @user.home/caveData -user @user.home/caveData -clean</programArgs>
       <programArgsLin>-consoleLog</programArgsLin>
-      <vmArgs>-Xincgc -Dosgi.instance.area.readOnly=true 
+      <vmArgs>-XX:+UseG1GC
+-Dosgi.instance.area.readOnly=true 
 -Declipse.log.enabled=false
--XX:+UnlockDiagnosticVMOptions
--XX:+UnsyncloadClass
 -Dorg.eclipse.update.reconcile=false
 -XX:MaxPermSize=128m
 -Dorg.eclipse.ui/KEY_CONFIGURATION_ID=com.raytheon.viz.ui.awips.scheme
@@ -32,7 +31,7 @@
 -Dlogback.statusListenerClass=com.raytheon.uf.common.status.logback.UFLogbackInternalStatusListener
 -Dthrift.stream.maxsize=200
 -Dviz.memory.warn.threshold=98</vmArgs>
-      <vmArgsLin>-Xmx1280M -XX:MaxDirectMemorySize=2G</vmArgsLin>
+      <vmArgsLin>-Xmx2048M -XX:MaxDirectMemorySize=2G</vmArgsLin>
       <vmArgsWin>-Dfile.encoding=UTF-8 -Xmx768M</vmArgsWin>
    </launcherArgs>
 
diff --git a/cave/com.raytheon.viz.product.awips/developer.product b/cave/com.raytheon.viz.product.awips/developer.product
index fbf31408d4..b71bb0e44e 100644
--- a/cave/com.raytheon.viz.product.awips/developer.product
+++ b/cave/com.raytheon.viz.product.awips/developer.product
@@ -15,9 +15,10 @@
 
    <launcherArgs>
       <programArgs>-data @user.home/caveData -user @user.home/caveData -clean -consoleLog -alertviz</programArgs>
-      <vmArgs>-Xincgc -Xmx1024M -Dosgi.instance.area.readOnly=true
+      <vmArgs>-Xmx1536M
+-XX:+UseG1GC
+-Dosgi.instance.area.readOnly=true
 -Declipse.log.enabled=false
--XX:+UnlockDiagnosticVMOptions -XX:+UnsyncloadClass 
 -Dorg.eclipse.update.reconcile=false -XX:MaxPermSize=256m 
 -Dorg.eclipse.ui/KEY_CONFIGURATION_ID=com.raytheon.viz.ui.awips.scheme 
 -Dqpid.dest_syntax=BURL