ivandika3 commented on code in PR #5666:
URL: https://github.com/apache/ozone/pull/5666#discussion_r1418670350


##########
hadoop-hdds/client/src/main/java/org/apache/hadoop/hdds/scm/XceiverClientRatis.java:
##########
@@ -180,7 +180,7 @@ public Pipeline getPipeline() {
   public void connect() throws Exception {
     if (LOG.isDebugEnabled()) {
       LOG.debug("Connecting to pipeline:{} datanode:{}", getPipeline().getId(),
-          RatisHelper.toRaftPeerId(pipeline.getFirstNode()));
+          RatisHelper.toRaftPeerId(pipeline.getClosestNode()));

Review Comment:
   Seems changing the `newRaftClient` primary datanode to the closest node 
breaks the primary datanode assertions previously set on 
https://github.com/apache/ratis/pull/945
   
   Seems to fix this, we need to incorporate all the changes in 
https://github.com/apache/ozone/pull/5414, essentially making it identical to 
it.
   
   We can incorporate all the datastream related changes here and close 
https://github.com/apache/ozone/pull/5414, or we can revert to 
`toRaftPeer(pipeline.getFirstNode())` first (with a TODO) and then address it 
in https://github.com/apache/ozone/pull/5414 instead.
   
   I'm going to revert it first since this PR is original suppose to focus on 
passing client address to SCM.



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