murblanc commented on code in PR #2432:
URL: https://github.com/apache/solr/pull/2432#discussion_r1591646646


##########
solr/core/src/java/org/apache/solr/cloud/ZkController.java:
##########
@@ -2849,9 +2834,14 @@ public boolean 
checkIfCoreNodeNameAlreadyExists(CoreDescriptor dcore) {
    * Best effort to set DOWN state for all replicas on node.
    *
    * @param nodeName to operate on
+   * @return the names of the collections that have replicas on the given node
    */
-  public void publishNodeAsDown(String nodeName) {
+  public Collection<String> publishNodeAsDown(String nodeName) {
     log.info("Publish node={} as DOWN", nodeName);
+
+    ClusterState clusterState = cc.getZkController().getClusterState();
+    Map<String, List<Replica>> replicasPerCollectionOnNode =
+        clusterState.getReplicaNamesPerCollectionOnNode(nodeName);

Review Comment:
   We would still need the loop to bring the replica states back to ACTIVE, 
right?



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