diff --git a/cave/com.raytheon.viz.product.awips/awips.product b/cave/com.raytheon.viz.product.awips/awips.product
index 231c924231..159cbe4e58 100644
--- a/cave/com.raytheon.viz.product.awips/awips.product
+++ b/cave/com.raytheon.viz.product.awips/awips.product
@@ -29,7 +29,7 @@
 -Dthrift.stream.maxsize=200
 -Dviz.memory.warn.threshold=98
 -XX:+UnlockExperimentalVMOptions
--XX:G1HeapRegionSize=1
+-XX:G1HeapRegionSize=4M
 -XX:InitiatingHeapOccupancyPercent=25
 -XX:G1MixedGCCountTarget=16
 -XX:G1MixedGCLiveThresholdPercent=25
diff --git a/cave/com.raytheon.viz.product.awips/developer.product b/cave/com.raytheon.viz.product.awips/developer.product
index 7dc45dd4e5..618f42cc0d 100644
--- a/cave/com.raytheon.viz.product.awips/developer.product
+++ b/cave/com.raytheon.viz.product.awips/developer.product
@@ -28,7 +28,7 @@
 -Dviz.memory.warn.threshold=99
 -XX:MaxDirectMemorySize=1G
 -XX:+UnlockExperimentalVMOptions
--XX:G1HeapRegionSize=1
+-XX:G1HeapRegionSize=4M
 -XX:InitiatingHeapOccupancyPercent=25
 -XX:G1MixedGCCountTarget=16
 -XX:G1MixedGCLiveThresholdPercent=25