tolbertam commented on code in PR #2007:
URL: 
https://github.com/apache/cassandra-java-driver/pull/2007#discussion_r1934067152


##########
core/src/main/java/com/datastax/oss/driver/internal/core/session/PoolManager.java:
##########
@@ -221,18 +222,23 @@ private void init(CqlIdentifier keyspace) {
       stateEventFilter.start();
 
       Collection<Node> nodes = 
context.getMetadataManager().getMetadata().getNodes().values();
-      List<CompletionStage<ChannelPool>> poolStages = new 
ArrayList<>(nodes.size());
+      Map<Node, CompletionStage<ChannelPool>> poolStageByNode = new 
HashMap<>(nodes.size());

Review Comment:
   One doubt I have about this is that it's dependent on the `Node` 
implementation.  It looks like `DefaultNode` doesn't implement either `equals` 
or `hashCode` so I suspect it will treat every node as the same, even if it has 
the same underlying `EndPoint`.  Instead we may need to key this by `EndPoint`.
   
   In the case of `should_not_connect_to_same_nodes`, it seems to work because 
the same reference is used.



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