shuwenwei commented on code in PR #17952:
URL: https://github.com/apache/iotdb/pull/17952#discussion_r3425400500


##########
integration-test/src/main/java/org/apache/iotdb/it/env/cluster/env/AIEnv.java:
##########
@@ -19,20 +19,81 @@
 
 package org.apache.iotdb.it.env.cluster.env;
 
+import org.apache.iotdb.it.env.cluster.EnvUtils;
+import org.apache.iotdb.it.env.cluster.node.AINodeWrapper;
+import org.apache.iotdb.it.env.cluster.node.ConfigNodeWrapper;
+import org.apache.iotdb.it.env.cluster.node.DataNodeWrapper;
+import org.apache.iotdb.it.framework.IoTDBTestLogger;
+import org.apache.iotdb.itbase.runtime.ParallelRequestDelegate;
+import org.apache.iotdb.itbase.runtime.RequestDelegate;
+
+import org.slf4j.Logger;
+
+import java.sql.SQLException;
+import java.util.Collections;
+import java.util.List;
+
+import static 
org.apache.iotdb.it.env.cluster.ClusterConstant.NODE_START_TIMEOUT;
+
 public class AIEnv extends AbstractEnv {
+  private static final Logger logger = IoTDBTestLogger.logger;
+
   @Override
   public void initClusterEnvironment() {
     initClusterEnvironment(1, 1);
   }
 
   @Override
   public void initClusterEnvironment(int configNodesNum, int dataNodesNum) {
-    super.initEnvironment(configNodesNum, dataNodesNum, 600, true);
+    super.initEnvironment(configNodesNum, dataNodesNum, 600);
   }
 
   @Override
   public void initClusterEnvironment(
       int configNodesNum, int dataNodesNum, int testWorkingRetryCount) {
-    super.initEnvironment(configNodesNum, dataNodesNum, testWorkingRetryCount, 
true);
+    super.initEnvironment(configNodesNum, dataNodesNum, testWorkingRetryCount);
+  }
+
+  @Override
+  protected void initExtraNodes(
+      final List<ConfigNodeWrapper> configNodeWrappers,
+      final List<DataNodeWrapper> dataNodeWrappers,
+      final String testClassName) {
+    String seedConfigNode = configNodeWrappers.get(0).getIpAndPortString();
+    int dataNodePort = dataNodeWrappers.get(0).getPort();
+    startAINode(seedConfigNode, dataNodePort, testClassName);
+  }
+
+  private void startAINode(

Review Comment:
    I suggest not making `AIEnv` privately own the AINode startup logic. In 
future scenarios we may need an environment that starts both AINode and 
StreamNode, and keeping AINode initialization embedded in `AIEnv`
     would force us to duplicate that logic or introduce combined env classes 
such as `AIStreamEnv`.



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