Copilot commented on code in PR #6897:
URL: https://github.com/apache/ignite-3/pull/6897#discussion_r2491435833


##########
modules/catalog-compaction/src/integrationTest/java/org/apache/ignite/internal/catalog/compaction/ItCatalogCompactionTest.java:
##########
@@ -305,4 +333,109 @@ private static void expectEarliestCatalogVersion(int 
expectedVersion) {
             }
         });
     }
+
+    class DebugInfoCollector {
+        private final List<IgniteImpl> nodes;
+        private final Map<UUID, String> nodesById;
+        private final IgniteStringBuilder buffer = new 
IgniteStringBuilder("Test debug info").nl();
+        private final List<InternalTransaction> transactions = new 
ArrayList<>();
+
+        DebugInfoCollector(List<IgniteImpl> nodes) {
+            this.nodes = nodes;
+            Map<UUID, String> nodesById = new HashMap<>();
+
+            for (IgniteImpl node : nodes) {
+                nodesById.put(node.id(), node.name());
+            }
+
+            this.nodesById = nodesById;
+        }
+
+        void recordCatalogState(String contextMessage) {
+            buffer.nl();
+
+            for (IgniteImpl node : nodes) {
+                buffer.app("Catalog state(").app(contextMessage)
+                        .app(") on node ").app(node.name()).nl();
+
+                CatalogManager mgr = node.catalogManager();
+
+                for (int ver = mgr.earliestCatalogVersion(); ver < 
mgr.latestCatalogVersion(); ver++) {

Review Comment:
   The loop condition uses `<` instead of `<=`, which excludes the latest 
catalog version from being recorded in debug output. This should be `ver <= 
mgr.latestCatalogVersion()` to include all catalog versions in the debug 
information.
   ```suggestion
                   for (int ver = mgr.earliestCatalogVersion(); ver <= 
mgr.latestCatalogVersion(); ver++) {
   ```



##########
modules/catalog-compaction/src/integrationTest/java/org/apache/ignite/internal/catalog/compaction/ItCatalogCompactionTest.java:
##########
@@ -305,4 +333,109 @@ private static void expectEarliestCatalogVersion(int 
expectedVersion) {
             }
         });
     }
+
+    class DebugInfoCollector {

Review Comment:
   The inner class `DebugInfoCollector` should be declared as `static` since it 
doesn't need access to instance members of the outer class 
`ItCatalogCompactionTest`. This would make the design clearer and prevent 
unintended access to outer class state.
   ```suggestion
       static class DebugInfoCollector {
   ```



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