virajjasani commented on a change in pull request #2899:
URL: https://github.com/apache/hbase/pull/2899#discussion_r562031466



##########
File path: 
hbase-server/src/main/java/org/apache/hadoop/hbase/master/normalizer/SimpleRegionNormalizer.java
##########
@@ -222,8 +223,12 @@ public void setMasterRpcServices(MasterRpcServices 
masterRpcServices) {
   private long getRegionSize(HRegionInfo hri) {
     ServerName sn = masterServices.getAssignmentManager().getRegionStates().
       getRegionServerOfRegion(hri);
-    RegionLoad regionLoad = masterServices.getServerManager().getLoad(sn).
-      getRegionsLoad().get(hri.getRegionName());
+    ServerLoad load = masterServices.getServerManager().getLoad(sn);
+    if (load == null) {
+      LOG.debug(hri.getRegionNameAsString() + " was not found on any server");

Review comment:
       nit: `was not found on any server while retrieving it's regionSize` ?




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