private void pingRegisteredAINodes(
      TAIHeartbeatReq heartbeatReq, List<TAINodeConfiguration> registeredAINodes) {
    // Send heartbeat requests
    for (TAINodeConfiguration aiNodeInfo : registeredAINodes) {
      AINodeHeartbeatHandler handler =
          new AINodeHeartbeatHandler(
              aiNodeInfo.getLocation().getAiNodeId(), configManager.getLoadManager());
      AsyncAINodeHeartbeatClientPool.getInstance()
          .getAINodeHeartBeat(
              aiNodeInfo.getLocation().getInternalEndPoint(), heartbeatReq, handler);
    }
  }
Send heartbeat requests to all the Registered AINodes.

@param registeredAINodes DataNodes that registered in cluster
iotdb-core/confignode/src/main/java/org/apache/iotdb/confignode/manager/load/service/HeartbeatService.java