[VOL-2740] Fixed loglevel clear issue and other optimizations

Change-Id: Ia862ff880e4f64fb35e86685a348d94f7b739091
diff --git a/VERSION b/VERSION
index 3e4a61b..7003379 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-3.0.20
+3.0.21