@Override
  public TAINodeRestartResp restartAINode(TAINodeRestartReq req) {
    TAINodeRestartResp resp = configManager.restartAINode(req);
    LOGGER.info("Execute RestartAINodeRequest {} with result {}", req, resp);
    return resp;
  }
ConfigNodeRPCServer exposes the interface that interacts with the DataNode
iotdb-core/confignode/src/main/java/org/apache/iotdb/confignode/service/thrift/ConfigNodeRPCServiceProcessor.java