ChenSammi commented on code in PR #7145:
URL: https://github.com/apache/ozone/pull/7145#discussion_r1767892228


##########
hadoop-hdds/container-service/src/main/java/org/apache/hadoop/ozone/container/common/impl/HddsDispatcher.java:
##########
@@ -647,12 +647,10 @@ public Handler getHandler(ContainerProtos.ContainerType 
containerType) {
 
   @Override
   public void setClusterId(String clusterId) {
-    Preconditions.checkNotNull(clusterId, "clusterId Cannot be null");
-    if (this.clusterId == null) {
-      this.clusterId = clusterId;
-      for (Map.Entry<ContainerType, Handler> handlerMap : handlers.entrySet()) 
{
-        handlerMap.getValue().setClusterID(clusterId);
-      }
+    Preconditions.checkNotNull(clusterId, "clusterId cannot be null");

Review Comment:
   @jianghuazhu,  could you also revert this change if there is no specific 
reason?  The general review guideline that I followed, is focus on the problem, 
and try not to touch irrelevant code as mush as possible. 



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