zstan commented on a change in pull request #9527:
URL: https://github.com/apache/ignite/pull/9527#discussion_r789695631



##########
File path: 
modules/core/src/main/java/org/apache/ignite/internal/processors/cluster/ClusterProcessor.java
##########
@@ -328,11 +340,67 @@ public void updateTag(String newTag) throws 
IgniteCheckedException {
      *     when it becomes ready for read.</li>
      * </ul>
      */
+    public void onChangeState() {
+        Collection<ClusterNode> rmtNodes = cluster.forServers().nodes();
+        List<ClusterNode> rmtNodes0 = new ArrayList<>(rmtNodes);
+
+        rmtNodes0.sort(Comparator.comparing(ClusterNode::id));
+
+        @Nullable Collection<BaselineNode> bltNodes = 
cluster.currentBaselineTopology();
+
+        if (F.isEmpty(bltNodes)) {
+            log.info("Baseline node collection is empty.");
+
+            return;
+        }
+
+        @Nullable UUID first = null;
+
+        Collection<Object> srvIds = F.nodeConsistentIds(bltNodes);
+
+        for (ClusterNode node : rmtNodes0) {
+            if (F.contains(srvIds, node.consistentId())) {
+                first = node.id();

Review comment:
       got it!




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